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  • [00:40:59] <radarping> there... thats better
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  • [00:42:40] <radarping> ping]
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  • [01:51:39] <radarping> kinda slow night/day
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  • [01:54:17] * koen was at circuitco all day
  • [01:54:32] <koen> I can finally confirm that the openpandora is not vapourware
  • [01:54:57] <thurbad> oh.. what IS it?
  • [01:57:24] <koen> a bunch of PCBs in the factory :)
  • [01:59:26] <thurbad> :P
  • [02:06:28] * emeb_mac (~ericb@ip72-223-85-60.ph.ph.cox.net) Quit (Quit: emeb_mac)
  • [02:08:07] <emeb> koen: how's circuitco
  • [02:12:05] <koen> emeb: fun!
  • [02:12:21] <koen> the rework guys are amazing
  • [02:12:33] <emeb> cool
  • [02:13:34] <emeb> fixing RMAed BBs?
  • [02:14:18] <koen> atm they are reworking a board we're bringing up
  • [02:15:01] <emeb> something sekrit?
  • [02:15:19] <koen> for now :)
  • [02:15:57] <radarping> any bitcoin generators out there?
  • [02:16:56] * emeb looks forward to the big reveal
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  • [02:24:46] <radarping> what are some of the more interesting bbxm projects you (as in any of you) seen online?
  • [02:25:39] <radarping> the vision ones are ok but... looking for something else...
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  • [02:53:49] <cospan> hi! I downloaded a preconfigured ubuntu maverick image for my beagleboard XM and everything worked fine. Now I want to customize the kernel in order to learn about platform drivers, and kernel hacking. I went to Robert C Nelson github page and cloned his "stable-kernel" but it nurfed out because kernel.org is down. Does anyone know where I can find a kernel branch I can download that will run on my beagleboard XM
  • [02:54:13] <cospan> ?
  • [02:54:59] <thurbad> dunno I've been looking for stuff that's on kernel.org for over a week now
  • [02:57:45] <cospan> I know Linus is still developing from github.com and I cloned his kernel as well as a beagleboard github page. I compiled and replaced the default uImage but it didn't work.
  • [02:58:56] * pcacjr_ (~pcacjr@unaffiliated/pcacjr) Quit (Ping timeout: 260 seconds)
  • [02:59:04] <cospan> I cloned an older liquidware kernel modified menuconfig to enable low level kernel debugging with early printks and it did give me a log in, but that kernel hasn't been modified in over a year
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  • [04:05:46] <mranostay> heh so are they doing an audit on the entire kernel.org + Linux Foundation infrastructure?
  • [04:09:51] <_av500_> gm
  • [04:10:07] <thurbad> hmm?
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  • [04:11:38] * NotTooDumb3 is now known as Guest3126
  • [04:11:58] <Guest3126> My angstrom build failed..log is here http://pastebin.com/eBhNM0i0 any help?
  • [04:15:34] <thurbad> looks like it failed when downloading the kernel
  • [04:16:18] <mranostay> heh kernel.org? :)
  • [04:16:44] <Guest3126> no..i dont know i was just making angstrom with virtual/kernel command
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  • [04:17:27] <Guest3126> thurbad, what should i do now? run the command once again..do i need to delete entire folder and start again? will take another day though
  • [04:18:14] <skinny> Hi, anybody here is able to guide me to porting Android on beagleboard?
  • [04:18:29] <skinny> excountered some problems while trying to build Android
  • [04:19:27] <mranostay> heh that is vague as hell
  • [04:19:31] <thurbad> no need to port it, that's already been done ~.~
  • [04:19:54] <mranostay> and yes it has been ported
  • [04:20:49] <Guest3126> thurbad, any suggestions for me?
  • [04:21:07] <thurbad> have you tried running bitbake again?
  • [04:21:53] <Guest3126> MACHINE=beagleboard ./oebb.sh bitbake virtual/kernel -c compile -f -D this same command again? i will try
  • [04:21:55] <thurbad> it'll most likely time out on the kernel once again as long as kernel.org is down though, unless they've got a mirror for it
  • [04:22:44] <Guest3126> how did you say it's kernel problem from error messages?
  • [04:23:10] <_av500_> the log is incomplete
  • [04:23:32] <thurbad> line 498 on, the errors are all for the kernel
  • [04:23:41] <_av500_> Guest3126: post a full log
  • [04:23:56] <_av500_> ot ar least one that contains the initial error
  • [04:24:00] <thurbad> that's probably all he had in his scroll buffer
  • [04:24:11] <_av500_> and?
  • [04:24:54] <Guest3126> log of running command again http://pastebin.com/rNdcCNix
  • [04:26:05] <thurbad> disk io error?
  • [04:26:12] <thurbad> how much space do you have left?
  • [04:26:15] <Guest3126> My angstrom build failed..log is here http://pastebin.com/eBhNM0i0 these are the initial errors..yes as thurbad said i can not go above this..but running the command again, got over very soon though with errors..
  • [04:26:32] <Guest3126> availabl 0
  • [04:26:47] <thurbad> that's not good
  • [04:26:49] <Guest3126> i had 9GB before..does Angstrom need more than 8 or 9GB?
  • [04:26:54] <_av500_> a tad short
  • [04:27:05] <thurbad> all the temp files and such.. yeah
  • [04:27:13] <_av500_> you need at least 1 byte free
  • [04:27:29] <skinny> hmm ok, I wanted to use Android on beagleboard. Came across the guide given on Free Electrons blog http://free-electrons.com/blog/android-beagle/
  • [04:27:41] <Guest3126> _av500_, it need shows avila as 0 in df -h
  • [04:27:41] <_av500_> skinny: thats all outdated
  • [04:27:56] <_av500_> Guest3126: hint: your disk is full
  • [04:28:01] <skinny> _av500_ oh? do you have an updated source? deeply appreciated
  • [04:28:06] <_av500_> nope
  • [04:28:12] <_av500_> these days there is rowboat
  • [04:28:12] <thurbad> av500, is the current channel #rowboat, or is that old news too?
  • [04:28:25] <_av500_> thurbad: its still only tumbleweed i gues
  • [04:28:29] <_av500_> s
  • [04:28:31] <Guest3126> is kernel download happening in angstrom build, though kernel.org is down?
  • [04:28:47] <_av500_> yes
  • [04:28:57] <_av500_> but the psp kernel is not on kernel.org i think
  • [04:29:11] <_av500_> but your disk is full
  • [04:29:16] <thurbad> possibly, there are mirrors, although koen said somethingabouta bug this morning in the mirroring
  • [04:29:18] <_av500_> buy a bigger one
  • [04:29:32] <thurbad> or ditch some pr0n
  • [04:29:33] * benmcnelly (~ben@99.38.78.150) Quit (Read error: Connection reset by peer)
  • [04:29:42] <_av500_> never!
  • [04:29:44] <thurbad> j/jk
  • [04:30:11] <_av500_> ditch some term papers
  • [04:30:22] <thurbad> yeah, they're less fun
  • [04:30:23] <skinny> oh thats new to me, which means i'm able to get android on beagle with rowboat?
  • [04:30:40] <_av500_> skinny: yes
  • [04:30:45] <_av500_> they providea build or so
  • [04:30:46] <thurbad> rowboat is TI sponsored I believe
  • [04:30:52] <skinny> ic
  • [04:30:59] <skinny> thanks _av500_ and thurbad!
  • [04:31:05] <skinny> i'll go read abt it first
  • [04:31:12] <_av500_> +1
  • [04:32:08] * _av500_ thinks BB should sell with a EULA that would allow us to remote delete old wiki pages...
  • [04:32:32] * _av500_ kicks koen and tell him it was the jetlag
  • [04:33:53] <thurbad> is he back home already?
  • [04:33:58] <_av500_> no
  • [04:34:05] <thurbad> or still in tejas?
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  • [04:43:37] <Guest3126> does Angstrom need more than 15GB also?
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  • [04:50:00] <skinny> _av500_,thurbad: do you know what's the difference between Dev Kit and SD card prebuild images?
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  • [04:50:42] <thurbad> nope, which devkit?
  • [04:51:14] <skinny> thurbad: TI_Android_GingerBread_2.3_DevKit_2.0
  • [04:51:20] <hitlin37> SD card perbuilt image is something you put into sdcard and it boots .
  • [04:51:58] <thurbad> I only use android on my cell phone ~.~
  • [04:52:29] <skinny> yikes ok
  • [04:52:45] <skinny> hitlin37: hmm thanks.
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  • [05:13:38] <skinny> ok i've dl the Dev Kit, it contains the prebuild images, documents and some tools.
  • [05:14:31] <hitlin37> now make your android robot!
  • [05:22:36] <skinny> LOLS
  • [05:22:56] <skinny> yeap. going to.. getting my beagle ready
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  • [05:41:11] <skinny> wao. its as simple as abc
  • [05:41:32] <skinny> partitioned everything nicely.
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  • [07:32:40] <skinny> Anybody experience problem booting up kingston SDHC cards?
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  • [09:16:49] <Guest58884> did any one build angstrom here without omap2?
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  • [09:56:31] <tasslehoff> I have issues running musb as host only in 3.1.0-rc4+. Anyone else running that configuration?
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  • [10:12:18] <doublebeta> is eg 'ldr r0,[r0]' safe? I've been using it, and it's been working, but I don't know if it's likely to break due to like, picosecond timings or something. Are pointers buffered?
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  • [11:48:34] <koen> good morning all
  • [11:49:21] <doublebeta> morning koen!
  • [11:49:49] <doublebeta> ... sigh, damn 4-byte aligning. I was trying to ldmia from a table stored after some strings... hung up. a .align 4 fixed it.
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  • [12:06:13] <hitlin37> arm gives exception to un aligned access...if its not handled ,it will hung up
  • [12:07:55] <doublebeta> yeah
  • [12:08:05] <doublebeta> Funnily enough, it was an interrupt enabling routine.
  • [12:09:05] <doublebeta> I knew that unaligned was bad
  • [12:09:10] <doublebeta> Just forgot that it was unaligned
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  • [12:23:08] <DEVANAND> hello I tried install gcc by opkg install task-native-sdk in angstrom, but it takes lot time and breaks in b/w, what to do
  • [12:24:00] <thurbad> pastebin the error
  • [12:25:49] <DEVANAND> @thurbad actually it installs many package correctly, but takes lot time and breaks in b/w, no error
  • [12:26:19] <thurbad> I have no idea what b/w means
  • [12:27:21] <Guest58884> Hi all..is it not possible in Angstrom, to replace a driver with custom driver and build? i tried doing so but custom driver is not getting included..any suggestions for me?
  • [12:27:25] <DEVANAND> between
  • [12:27:46] <ogra_> thurbad, black and white indeed :=
  • [12:27:48] <ogra_> :)
  • [12:28:15] <DEVANAND> b/w = between
  • [12:29:38] <thurbad> Guest58884: when you do make menuconfig, did you save to ../defconfig ?
  • [12:30:07] <thurbad> DEVANAND: try opkg update and the install again?
  • [12:30:24] <Guest58884> i did not do any menuconfig, i changed original driver with custom driver through changes in make file..
  • [12:30:37] <Guest58884> and why is ../defconfig done?
  • [12:31:00] <DEVANAND> ok
  • [12:31:24] <thurbad> becasue OE rotates through a couple of configs and builds multiple kernels/modules
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  • [12:32:11] <thurbad> Guest58884: did you use -f -c compile flags for bitbake?
  • [12:32:55] <Guest58884> yes and i do not know what they are
  • [12:32:55] <thurbad> and what file did you alter?
  • [12:33:33] <Guest58884> i changed drivers/video/Makefile , from including omap2/ that is dss2 driver to custom driver
  • [12:33:36] <thurbad> -f is force, -c compile means only do the compile stage (and prerequesites)
  • [12:33:37] <av500> ogra_: my thinking too :)
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  • [12:33:49] <thurbad> did you follow up with -c deploy ?
  • [12:34:04] <Guest58884> i do not use deploy, what for is that?
  • [12:34:37] <thurbad> deploy actually packages the kernel and modules zip file for use ... kind of an important step :)
  • [12:34:40] <Guest58884> MACHINE=beagleboard ./oebb.sh bitbake virtual/kernel -c compile -f -D this is the command i use
  • [12:35:03] * JoseLuis is now known as jluisn
  • [12:35:10] <Guest58884> but i get a ready to use uImage with out giving -c deploy also right?
  • [12:35:22] <thurbad> no
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  • [12:36:12] <thurbad> don't think so anyway
  • [12:36:17] <Guest58884> no? i am actually using the uImage i get by using the above line..only when i wanted to compile custom kernel, by making changes through make file, it's not getting included.
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  • [12:36:55] <Guest58884> uImage got with above command, is working..i can bring up board with the uImage i get..is that not supposed to work?
  • [12:36:59] <thurbad> it may make a kernel, but it won't drop it into deploy directory as far as I know
  • [12:37:22] <thurbad> or it's a previous kernel still in the directory
  • [12:37:30] <Guest58884> oh..i do not know what is deploy directory..where is that deploy directory supposed to be?
  • [12:38:39] <Guest58884> why do i want bitbake to drop kernel in deploy directory? if i get the kernel i want i can copy that to BOOT partition on card myself..and by deploy directory do you mean something like BOOT partition of card? what is that deploy directory exactly?
  • [12:38:41] <Crofton|work> tmp/deploy/....
  • [12:39:08] <Guest58884> within setup_scripts folder? buy why do i need uImage there?
  • [12:39:39] <thurbad> build/tmp_angstrom_2008_1/deploy/glibc/images/beagleboard/
  • [12:40:42] <thurbad> that's where it puts everything that's ready to go
  • [12:40:53] <thurbad> (for the kernel)
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  • [12:41:45] <Guest58884> that directory contents are here: http://pastebin.com/Mp84pkjt
  • [12:43:19] <Guest58884> to include a custom driver instead of default one, do i need to know the contents of this directory?
  • [12:43:40] <thurbad> no
  • [12:44:12] <Guest58884> all these config files are empty?
  • [12:44:59] <Guest58884> is it possible to change make file and get custom driver included in angstrom built uImage?
  • [12:45:14] <Guest58884> thurbad, i am wondering if i can do this or not.
  • [12:45:19] <thurbad> use make menuconfig
  • [12:45:45] <Guest58884> make menuconfig for what exactly?
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  • [12:45:56] <thurbad> you'll have to modify the Makefile and kconfig in the directory the driver lives in as well
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  • [12:46:10] <thurbad> at least that would be the proper way to do it
  • [12:46:21] * av500 is happy to have a kernel directly in git and not as a set of patches in some "system"
  • [12:46:28] <thurbad> or you could just modify the correct Makefile
  • [12:47:01] <thurbad> lol, what kernel is this you speak of av500 ?
  • [12:47:03] <Guest58884> yes i am modifying the correct makefile..i did this before with non-angstrom kernels.
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  • [12:47:20] <av500> thurbad: linux kernel
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  • [12:47:33] <thurbad> run bitbake again with -c deploy
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  • [12:48:06] <Guest58884> -c deploy instead of -c compile?
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  • [12:48:28] <Guest58884> MACHINE=beagleboard ./oebb.sh bitbake virtual/kernel -c deploy -f -D like this??
  • [12:48:31] <thurbad> run it with -f -c compile, then again with -c deploy
  • [12:48:40] <Guest58884> ok
  • [12:48:52] <thurbad> don't need the -f , not sure what -D isfor
  • [12:48:56] <Guest58884> what is -D option for?
  • [12:49:01] <Guest58884> ok
  • [12:49:14] <thurbad> I've never used -D
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  • [12:50:43] <thurbad> you should get a kernel and matching modules archive in deploy directory (without multi-config in the name)
  • [12:51:08] <thurbad> you currenty don't have that file in the deploy directory
  • [12:51:14] <Guest58884> can i know, how are you thinking, custom driver will get included, with -c deploy, when already uImage is formed with -c compile also?
  • [12:51:42] <thurbad> are you building as a module, or built into the kernel?
  • [12:51:57] <Guest58884> built in..
  • [12:52:27] <thurbad> what's the timestamp on the uImage you generated?
  • [12:52:28] <Guest58884> that file? meaning custom driver's file? that is a directory..which file are you expecting to come in deploy?
  • [12:52:52] <thurbad> uImage... .bin
  • [12:53:13] <thurbad> and associated module...tgz
  • [12:54:10] <thurbad> modules will only load that where built for a very specific kernel
  • [12:55:31] <thurbad> you can even rebuild the kernel exactly the same way and modules from the previous build will not work
  • [12:56:15] <av500> sure they will
  • [12:56:20] <Guest58884> running without multiple config, what is that and how to do that??
  • [12:56:33] <av500> you just have to remove that MD5 checksumming config
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  • [12:57:29] <Guest58884> so do i need to remove configs from deploy/glibc/images/beagleboard/ for changes in make files to get effected? these files seem to be empty for me?
  • [12:57:31] <thurbad> md5 checking is there for your protection :P
  • [12:57:40] <av500> right
  • [12:57:58] <thurbad> lol, or consternation at least
  • [12:58:11] <thurbad> no
  • [12:58:25] <Guest58884> uImage time is shown as 2 minutes before current time here..though nothing got created 2 minutes before and i am running with -c deploy now, as i ran with -c compile before
  • [12:58:27] <av500> thurbad: I am not afraid that somebody else compiles modules on my PC ....
  • [12:58:37] <thurbad> those are stashed after building for your convenience
  • [12:59:06] <av500> thurbad: and SW to be "deployed" is being rebuilt by a robot anyway
  • [12:59:15] <DEVANAND> @thurbad sir this command simply installs a lot unwanted things , like fortran etc I just wanted gcc g++, what to do
  • [12:59:45] <av500> when we was kids, we were happy to have fortran
  • [12:59:46] <doublebeta> let it install >.>
  • [12:59:48] <thurbad> are you sure gccdidn't get put in?
  • [13:00:11] <doublebeta> Just install GNU As and binutils and do it in ASM. ARM ASM is beautiful.
  • [13:00:15] <av500> we had to walk 25miles to school and hand in our programming homework on paper
  • [13:00:18] <thurbad> yeah it has additional compilers, but it's the easiest way to get the one you DO want
  • [13:00:27] <DEVANAND> no gcc is also in the list
  • [13:01:01] <Guest58884> with -c deploy, my build is failing, http://pastebin.com/LafG2rjK any idea??
  • [13:01:08] <doublebeta> av500: Good ol' dot matrix printer? Or are you old enough for _punched paper_?
  • [13:02:14] <av500> doublebeta: we did programming by rearranging wires
  • [13:02:22] <av500> on a steam engine
  • [13:02:37] <doublebeta> Ok no need for bullshit.
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  • [13:03:15] <Guest58884> thurbad, any idea about the failure message i am getting with -c deploy?
  • [13:03:29] <av500> doublebeta: okok, it was C64 basic :)
  • [13:04:09] <thurbad> maybe try the -D option to match how you compiled ?
  • [13:04:27] <thurbad> just guessing as I don't know what -D did in the first place
  • [13:04:41] <Guest58884> ya i kept it, i ran exactly this, MACHINE=beagleboard ./oebb.sh bitbake virtual/kernel -c deploy -f -D
  • [13:05:08] <doublebeta> BASIC? Wuss. Why u no 6502 ASM? ;)
  • [13:05:25] <doublebeta> /machine code if you didn't have an assembler
  • [13:05:44] <thurbad> 1000101010101 :P
  • [13:05:49] <doublebeta> what.
  • [13:05:51] <thurbad> 4tw
  • [13:05:54] <Guest58884> thurbad, now i am running without -D option, to see if that makes any difference
  • [13:06:11] <doublebeta> 13 bits? Not on 6502, baby.
  • [13:06:12] <thurbad> just binary gabage
  • [13:06:13] <doublebeta> 8 bit words
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  • [13:11:35] <doublebeta> Anyone know if there's a licensing issue if someone writing an AGPL program reads a GPL licensed program looking for info?
  • [13:12:14] <Guest58884> thurbad, seems to be including my driver without -D option..do not know what it is.need to ask koen and so do i need to run two commands from now, first with -c compile and then with -c deploy
  • [13:12:39] <thurbad> yes
  • [13:12:49] <Guest58884> ok
  • [13:13:29] <Guest58884> thank you
  • [13:14:34] <tasslehoff> Guest58884: -D is debug
  • [13:15:37] <Guest58884> how come that is making difference in inclusion of a driver?
  • [13:18:56] <tasslehoff> I suspect it does not. If it does, that's a serious bug :)
  • [13:19:46] <Guest58884> it seems like it is making difference..
  • [13:19:46] <doublebeta> The low interrupt vector addr points to nowhere, on the bb-xM. The high interrupt vector addr points to virtual address space. Does that mean I need to enable virt addressing before I can have interrupts?
  • [13:19:48] * koen just got blinkenleds working on the new board
  • [13:20:17] <doublebeta> omg yay! blinking leds! ...but seriously, that's a good sign. 'It works'
  • [13:20:18] * av500 blinks at koen
  • [13:20:49] <av500> koen: so its already as powerful as an arduino, ship it!
  • [13:21:05] <koen> :)
  • [13:21:19] <doublebeta> 4004 at 1KHz.
  • [13:21:24] <doublebeta> No more needs to be said.
  • [13:22:59] <DEVANAND> gcc hello.c -o hello gives error http://pastebin.com/9AdQ38aj
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  • [13:23:14] <DEVANAND> ?
  • [13:23:24] <DEVANAND> :-(
  • [13:24:51] <thurbad> what library is gcc_s ?
  • [13:25:16] <DEVANAND> I dont know
  • [13:25:17] <doublebeta> isn't that core gcc funcs?
  • [13:25:22] <doublebeta> like internals?
  • [13:25:26] <doublebeta> i.e. compiler = BROKEN
  • [13:25:27] <av500> something like that
  • [13:25:36] <DEVANAND> how to fix that
  • [13:25:44] <doublebeta> see if GNU As works :3
  • [13:25:52] <av500> or hexedit
  • [13:25:56] <doublebeta> heh!
  • [13:25:59] <doublebeta> indeed
  • [13:26:04] <thurbad> DEVANAND, I thought you were building on the board
  • [13:26:04] <doublebeta> bust out the ARM ARM
  • [13:26:08] <Guest58884> DEVANAND, very easy would be uninstall and install that cross compiler again
  • [13:26:28] <thurbad> is your path set properly?
  • [13:26:31] <DEVANAND> @thurbad yes
  • [13:26:50] <DEVANAND> yes building on the board
  • [13:27:18] <doublebeta> More people need to do bare metal. It's lonely.
  • [13:27:29] <doublebeta> I'm not saying noone's doing it.
  • [13:27:37] <Guest58884> what is bare metal?
  • [13:27:40] <DEVANAND> I installed task-native-sdk with many breaks in between
  • [13:27:49] <thurbad> baremetal = no OS
  • [13:28:30] <Guest58884> what for are you using bare metal?
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  • [13:29:26] <doublebeta> Guest58884: Writing my own OS
  • [13:29:38] <doublebeta> for Debian is broken on xM Rev C
  • [13:29:40] <Guest58884> that will not be no OS then?
  • [13:29:52] <Guest58884> oh..ok
  • [13:29:53] <doublebeta> sigh, it's not any OS to begin with'
  • [13:30:02] <doublebeta> as in my OS does not run on top of Linux.
  • [13:30:03] * osython (~hasan@c-24-20-227-31.hsd1.or.comcast.net) has joined #beagleboard
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  • [13:30:44] <Guest58884> but isn't writing your own OS a overhead, when there are already many OSes?
  • [13:30:55] * rcranetx (~rcranetx@nat/ti/x-hmrgiuleewydgjyl) has joined #beagle
  • [13:30:56] <doublebeta> Other OSes suck :3
  • [13:30:59] * osython (~hasan@c-24-20-227-31.hsd1.or.comcast.net) has joined #beagle
  • [13:31:14] <doublebeta> and no, rahter it's NO overhead. Slow dev time, fast execution time.
  • [13:31:40] <doublebeta> Plus mine's going to be written in pure ASM, and is so far.
  • [13:31:51] <doublebeta> And GCC isn't exactly perfect yet on ARM
  • [13:32:00] <doublebeta> Not that my code is efficient :P
  • [13:32:09] <doublebeta> this is my first ARM program, eheh...
  • [13:32:27] <thurbad> and totally non-portable.. but if that's not a concern, so be it
  • [13:32:37] <doublebeta> It's written FOR the bb-xM
  • [13:32:49] <doublebeta> ARM will port well to ARM.
  • [13:32:58] <av500> thurbad: it will work on omap5 :)
  • [13:33:15] <doublebeta> All that needs to be changed there is the SoC-specific stuff - same goes with Linux in C
  • [13:33:26] <doublebeta> I specifically DON'T want it to be run on x86 :D
  • [13:33:34] <doublebeta> I want x86 to die, right now.
  • [13:33:49] <doublebeta> av500: Let's hope sooo :D
  • [13:33:50] <thurbad> heh, and the omap5 may be common by thet ime it's done :P
  • [13:34:05] <doublebeta> stop hatin and help me find where I put IRQ vectors ;P
  • [13:34:16] <thurbad> (just having some fun with ya)
  • [13:34:17] <doublebeta> else I'll be stuck at: http://paste2.org/p/1679058
  • [13:34:40] <doublebeta> Yeah, some other shithead in another chan just shook his fist at me (oaltho playfully) for not being a PHP dev...
  • [13:34:56] <doublebeta> that bothered me :\
  • [13:34:58] <osython> Hello, I'm new to beagleboard, and I'd like to know if there is a way to interface between beagleboard and a microcontroller 'say atmel's atmega' using python as my programming language? (the reason behind that is that I need to connect information to a web database, thus I need python)
  • [13:35:01] <av500> write your OS in PHP!
  • [13:35:06] <thurbad> php?
  • [13:35:27] <thurbad> they break thei own spec nearly every release
  • [13:35:49] <doublebeta> osython: Yes, access /dev/ttyS0 or S1 as a regular file = serial port, and use level shifters to interface with a UART on your AVR
  • [13:36:07] <doublebeta> you will need level shifters, beagleboard is all 1.8V logic
  • [13:36:21] <doublebeta> PHP sucks and there are no good PHP developers.
  • [13:36:45] <doublebeta> webdev sucks in general ;)
  • [13:37:23] <Guest58884> http://pastebin.com/CKMrPjKa any idea about this build errors for angstrom?
  • [13:37:41] <osython> doublebeta: I see. thanks for the tip! any webpage that might help me more with that?
  • [13:37:49] <doublebeta> not that I know of.
  • [13:38:02] <doublebeta> read the beagleboard system reference manual
  • [13:38:07] <doublebeta> SRM
  • [13:38:26] <doublebeta> also maybe read the TRM (technical reference manual) ..
  • [13:38:50] <doublebeta> or perhaps do it in ASM and check out the ARM ARM (architecture reference manual)
  • [13:39:00] <doublebeta> oh TLAs how we love you
  • [13:39:24] <doublebeta> Of course TLA = Tits Legs and Ass.
  • [13:39:41] <doublebeta> ... (three letter acronyms)
  • [13:40:49] <thurbad> Guest58884 looks like you have an error in the makefile
  • [13:40:55] <doublebeta> seriously, is it ok to read Linux or puppybits as example code, even though their projects are GNU GPL, and mine is GNU AGPL?
  • [13:41:01] <osython> doublebeta: I'll read them and see what can i find. Thanks
  • [13:41:03] * Xerion (~xerion@5419A766.cm-5-2c.dynamic.ziggo.nl) Quit (Ping timeout: 248 seconds)
  • [13:41:08] <doublebeta> np
  • [13:41:22] <Guest58884> thurbad, yes found that out, later..angstrom appears really big package
  • [13:41:39] <thurbad> you're just n the kernel too
  • [13:42:29] <Guest58884> yes..ok
  • [13:42:32] <doublebeta> thurbad: Linux was hated on as well, about being a monokernel. Perhaps I'll win anyways.
  • [13:43:03] <doublebeta> I could write this in C, but why miss out on the beauty of ARM? :D
  • [13:44:48] <Guest58884> mono kernel meaning?
  • [13:44:50] <thurbad> heh, perhaps
  • [13:45:00] <doublebeta> monolithic kernel
  • [13:45:00] <mru> doublebeta: if the compiler does a good enough job, write in C
  • [13:45:00] <thurbad> monolithic.
  • [13:45:06] <doublebeta> Kernel is one big block
  • [13:45:28] <mru> monolithic kernels always win over microkernels on performance
  • [13:45:32] <thurbad> often times the compiler can optimize better than humans
  • [13:45:37] <mru> thurbad: untrue
  • [13:45:47] <thurbad> depends on the human of coourse
  • [13:45:48] <mru> better than some humans perhaps
  • [13:45:48] <doublebeta> mru: but as I said, then it's just like writing for x86. Only you're less free to use halfwords. And doesn't gcc have optimisation issues as well?
  • [13:46:02] <doublebeta> NOT that it matters because my code is very poor :P
  • [13:46:03] <mru> gcc often does well enough
  • [13:46:32] <doublebeta> But I bet, my bad ASM actually does execute faster than my bad C.
  • [13:46:38] * tasslehoff (~Tasslehof@147.84-49-231.nextgentel.com) Quit (Read error: Connection reset by peer)
  • [13:46:41] <thurbad> lol
  • [13:46:58] <doublebeta> No convention in my calling, betches! <3
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  • [13:47:07] <mru> use asm only when necessary
  • [13:47:15] <mru> you'll still have plenty of it
  • [13:47:19] <doublebeta> I say all the time. I enjoy the shit.
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  • [13:47:27] <doublebeta> pain ftw and etc
  • [13:47:39] * tasslehoff (~Tasslehof@147.84-49-231.nextgentel.com) Quit (Client Quit)
  • [13:47:44] <mru> C is much more maintainable
  • [13:48:14] <doublebeta> I'm not going to argue against that. But I want/need ASM skills so this is a great learning thing.
  • [13:48:39] <mru> part of that skill is to see when asm is appropriate
  • [13:48:42] <mru> and when it is not
  • [13:48:44] <doublebeta> Plus I enjoy the feeling of accomplishment I get from 'I wrote an int printer, and it's written in stuff the computer can read raw' but not quite
  • [13:48:45] <thurbad> maybe, but I'd say learnasm in a less critical place
  • [13:48:59] <doublebeta> mru: Maybe I'll learn when I exceed my keyboard's rated 50 million keystrokes.
  • [13:49:01] <thurbad> not someplace where you're likely to need to replace it
  • [13:49:17] <doublebeta> Writing ASM under Linux sucks tho.
  • [13:49:29] <mru> not at all
  • [13:49:29] <thurbad> fair enough
  • [13:49:34] <doublebeta> Always fighting with syscalls
  • [13:49:47] <mru> why are you doing syscalls from asm?
  • [13:49:49] <mru> there's no point in that
  • [13:49:55] <mru> call the libc functions
  • [13:50:01] <doublebeta> why might you think? How else would you do anything under Linux :P
  • [13:50:04] <doublebeta> oh, that
  • [13:50:04] <doublebeta> meh
  • [13:50:15] <mru> and code doing lots of syscalls is just as well left in C
  • [13:50:25] <doublebeta> I suppose, I learnt to do x86-Linux code because I was shellcoding
  • [13:50:52] <doublebeta> exactly, so I'd _never learn_
  • [13:51:22] <skinny> hi, does anyone knows how to root android on beagleboard?
  • [13:51:45] <doublebeta> Indeed I should have got a weak little uC instead of this huge poorly doc'd^H^H^H^H^H^H^H^H^H^H^H^Hcomplicated omap.
  • [13:52:01] <doublebeta> skinny: over serial?
  • [13:52:20] <skinny> doublebeta: meaning?
  • [13:52:31] <doublebeta> 'rooting android' different to 'obtaining root'?
  • [13:52:40] <doublebeta> Meaning.. connect a serial port up
  • [13:52:43] <doublebeta> and log in as root.
  • [13:52:46] <skinny> ya
  • [13:52:58] <doublebeta> so it is different. Sorry, I can't help.
  • [13:53:07] <skinny> okies
  • [13:53:23] <thurbad> sudo make me a sandwhich!
  • [13:53:26] <thurbad> heh
  • [13:53:31] <doublebeta> ,
  • [13:53:33] <doublebeta> ,
  • [13:53:34] <thurbad> I love that shirt
  • [13:53:35] <doublebeta> .
  • [13:53:50] <doublebeta> b _make_sandwich
  • [13:53:56] <mru> on any chip, there are good places to use asm and bad ones
  • [13:54:05] <av500> GOSUB SUBWAYS
  • [13:54:15] <doublebeta> mov $SYS_MAKESANDWICH,%eax
  • [13:54:16] <mru> the good ones are where you can do significantly better than the compiler without impacting maintainability too much
  • [13:54:17] <doublebeta> int $0x80
  • [13:54:30] <mru> that's so 486
  • [13:54:35] <doublebeta> yup
  • [13:54:44] <doublebeta> dunno how to use sysenter
  • [13:54:47] <doublebeta> or syscall
  • [13:55:18] <mru> that's why you leave that to the libc wrappers
  • [13:55:27] <mru> libc will always do whatever is right on the system you're on
  • [13:55:37] <doublebeta> fiiine.
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  • [13:55:51] <mru> and the overhead is negligible compared to the syscall cost anyway
  • [13:55:55] <doublebeta> I'll take your advice. And store it in a buffer in my brain. And then flush that buffer without reading it.
  • [13:56:15] * thurbad (~natesewel@cpe-70-124-80-154.austin.res.rr.com) Quit (Quit: thurbad)
  • [13:57:12] <mru> good, then I won't be getting any competition from you any time soon
  • [13:57:18] <doublebeta> :P
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  • [13:58:05] <doublebeta> I don't want to work for ARM. You're done.
  • [13:58:12] <emeb_mac> too early in the morning for popcorn
  • [13:58:21] * niclas (~niclas@nat/ti/x-zzqkizhxegidkggg) Quit (Remote host closed the connection)
  • [13:58:31] <doublebeta> It's just, wind up the clock and inscrease the pipelines and cores/wafer from here on in.
  • [13:58:48] <mru> > you're don
  • [13:58:49] <mru> e
  • [13:58:49] <mru> ???
  • [13:58:58] <doublebeta> see remark after.
  • [13:59:04] <mru> I don't get it
  • [13:59:07] <doublebeta> Where's the invention gone?
  • [13:59:25] <mru> are you trying to insult people?
  • [13:59:34] <doublebeta> Nope.
  • [13:59:40] <doublebeta> Were you trying to insult me?
  • [13:59:46] <mru> the cortex-a9 and a15 are fucking awesome
  • [14:00:01] <mru> no, I'm trying to help you
  • [14:00:49] <doublebeta> I could argue that java can execute things faster. Granted I'd be wrong in 99/100 cases, but that's not the point I'm making. I've chosen ASM.
  • [14:01:20] <doublebeta> And wouldn't an ASM dev be rather highly praised a IP-core design house?
  • [14:01:28] <doublebeta> *in a
  • [14:01:50] <mru> not if he insists on writing *everything* in asm
  • [14:01:55] <mru> because then he's not a good dev
  • [14:01:59] <av500> or in java
  • [14:02:06] <doublebeta> ftr, I hate java
  • [14:02:12] <doublebeta> Java is fucking retarded.
  • [14:02:13] <mru> a good dev uses whatever tool is best for each task
  • [14:02:20] <doublebeta> SLEDGEHAMMER
  • [14:02:26] <muriani> that's a good tool
  • [14:02:26] <doublebeta> +50 Sledgehammer of Doom
  • [14:02:34] <muriani> but I odn't think it's the best one for the task.
  • [14:02:39] <doublebeta> :P
  • [14:02:44] <doublebeta> b _c_code
  • [14:02:45] <doublebeta> fiiine
  • [14:02:46] <av500> I'd guess in an IP-core design house they'd value VHDL more than asm
  • [14:02:58] <emeb_mac> w00t - I'm in!
  • [14:03:11] <doublebeta> space inefficiency here I come. But indeed I was using arm mode and not thumb, so I didn't really care.
  • [14:03:22] <doublebeta> av500: smart ass, ^5 :D
  • [14:03:42] <mru> you're doing it backwards
  • [14:03:53] <mru> first you write the code in C
  • [14:04:03] <mru> make sure the algorithms and data structures work
  • [14:04:13] <mru> then you analyse performance and size
  • [14:04:21] <emeb_mac> av500: VHDL is too high-level - I code hardware only in transistors & wires ;)
  • [14:04:28] <mru> if either is not good enough, you optimise the C code
  • [14:04:28] <doublebeta> anyway I'm writing this this as close to the hardware as possible, and 'optimised' for the beagleboard. I don't care about porting. aNd it should port as well as C to newer ARMs, at least for a while
  • [14:04:40] <mru> perhaps by changing data structures or algos
  • [14:04:52] <mru> if that's still not good enough, you write asm for the most critical parts
  • [14:04:57] <doublebeta> I'm not going to argue ASM vs C anymore. I'll leave that to Usenet of 1985.
  • [14:05:42] <mru> I predict your project will never reach a working state
  • [14:05:47] <doublebeta> Now where's the damn interrupt vectors. I suppose I have to map virt memory first, since the bottom location is NAND (missing) and the top is virt memory.
  • [14:05:54] * ka6sox-away is now known as zz_ka6sox-away
  • [14:06:10] <doublebeta> mru: And a few said that about Linux, no? But it overtook GNU and became GNU/Linux.
  • [14:06:25] <doublebeta> And now you're all using i.
  • [14:06:27] <doublebeta> *it.
  • [14:06:37] <doublebeta> Do you really have to be THTA negative? :).
  • [14:06:40] <doublebeta> *THAT
  • [14:06:54] <mru> I'm not negative
  • [14:07:34] <doublebeta> ftr, I love C.
  • [14:08:01] <mru> so use it
  • [14:08:06] <doublebeta> Do you fear ASM? Be honest.
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  • [14:08:13] <mru> certainly not
  • [14:08:13] <doublebeta> Most people honestly avoid it because they fear it.
  • [14:08:20] <av500> no
  • [14:08:25] <av500> thats bs
  • [14:08:38] <mru> compilers are good enough for 90% of the code
  • [14:08:43] <mru> the remaining 10% you write in asm
  • [14:08:49] <mru> but you keep the C code too
  • [14:08:58] <doublebeta> seriously, it's been used to scare new programmers. And while x86 asm sure does suck, asm is not to be feared.
  • [14:09:14] <mru> do you have any idea who you're talking to?
  • [14:09:17] <doublebeta> I'm not saying everyone who doesn't use it is afraid.
  • [14:09:36] <doublebeta> Apparently some guy who knows his shit, but is adamant that C is the cure for AIDS and Cancer.
  • [14:09:49] <mru> wrong
  • [14:09:56] <av500> doublebeta: "used to scare new programmers"? WTF?
  • [14:10:43] <doublebeta> yeah really, in comp sci classes (I don't attend, what a waste), they teach that ASM is actually to be feared, and professors just brush it off like that
  • [14:10:53] <doublebeta> this of course is what I've heard from friends
  • [14:11:07] <mru> av500: around 1970, a popular prank in a certain ibm office was apparently to give new hires an asm listing of a fortran compiler with no comments and ask them to do something with it
  • [14:11:21] <av500> burn it?
  • [14:11:23] <doublebeta> lol, fortran output.
  • [14:11:25] <doublebeta> LOL AV
  • [14:11:29] <mru> av500: fix some bug or whatever
  • [14:11:30] <doublebeta> I like your solution.
  • [14:11:36] <doublebeta> Wrap it up and use it as a joint.
  • [14:11:38] <mru> fortran isn't bad
  • [14:11:44] <mru> in fact, it's great for hpc
  • [14:11:48] <doublebeta> float optimised isn't it?
  • [14:11:54] <mru> bad for systems programming
  • [14:12:07] <doublebeta> I've barely done more than a hello world, and noted that C would be better for 'doing stuff'
  • [14:12:21] <mru> some semantics of fortran allow better compiler optimisations
  • [14:12:35] <mru> oh right, you don't believe in compilers
  • [14:12:54] <doublebeta> sigh
  • [14:13:01] <doublebeta> u mad?
  • [14:13:04] <mru> but using a compiler is frequently the only way you'll have a fighting chance of getting a working program
  • [14:13:09] <doublebeta> sigh
  • [14:13:52] <doublebeta> One should be praised for attempting a challenge, no matter how silly the challenge may be. Perhaps you are not a hacker. Of coourse I'm not talking about computer security, if you watch too much TV.
  • [14:14:03] <doublebeta> Perhaps I'm not, either.
  • [14:14:22] <mru> oh, and computer science is useful
  • [14:14:24] * emeb_mac (~ericb@ip72-223-85-60.ph.ph.cox.net) Quit (Quit: emeb_mac)
  • [14:14:32] <mru> but only when combined with a good system-level understanding
  • [14:14:34] <doublebeta> Perhaps I'm nothing, but people pushing themselves should be encouraged, even if it's over a cliff.
  • [14:14:40] <mru> many classes fail at the second part
  • [14:14:46] * mikecsh (~mikecsh@203.145.92.114) Quit (Quit: mikecsh)
  • [14:14:49] <doublebeta> comp sci classes aren't really, esp not around here
  • [14:15:04] <mru> I only took a few, but they were useful
  • [14:15:13] <mru> and cs in general has produced many good results
  • [14:15:20] <doublebeta> and lol, the 'national school of programming' in Australia teaches primarily Python. I found that hilarious.
  • [14:15:23] <av500> google search results
  • [14:15:37] <av500> doublebeta: you do have a lot of snakes!
  • [14:15:37] <mru> there's nothing wrong with using python to teach basic algorithms
  • [14:15:47] <doublebeta> Oh, and an 'embedded class for advanced students using the Arduino environment' LOLOLOL
  • [14:16:08] * DEVANAND (75d3564b@gateway/web/freenode/ip.117.211.86.75) Quit (Quit: Page closed)
  • [14:16:10] <doublebeta> That made my day, absolutely hilarious.
  • [14:16:23] <doublebeta> avr-gcc is a work of art.
  • [14:16:27] <mru> guess what made *my* day... you did
  • [14:16:33] <doublebeta> Excellent.
  • [14:16:42] <av500> time for coldies!
  • [14:16:44] * toobluesc (~nitro@cpe-76-183-36-8.tx.res.rr.com) Quit ()
  • [14:16:45] <doublebeta> Be sure to tell all your friends, actually.
  • [14:17:03] <mru> people hell-bent on doing things the hardest way are always entertaining
  • [14:17:19] <doublebeta> Check out the demoscene.
  • [14:17:36] <mru> meh
  • [14:17:43] <doublebeta> While it's primarily x86/CISC, the 4k demos are proof of ASM power.
  • [14:17:49] <muriani> The demoscene is entertaining, indeed.
  • [14:17:53] <doublebeta> INDEED.
  • [14:17:57] * emeb (~ericb@ip72-223-85-60.ph.ph.cox.net) has joined #beagle
  • [14:18:08] <doublebeta> lftkryo is my hero. He pushes the limits.
  • [14:18:10] <mru> mildly amusing, sometimes interesting, but always useless for anything real
  • [14:18:18] <mru> check out some of my work
  • [14:18:22] <doublebeta> Have you no soul, friend?
  • [14:18:31] <mru> no, I sold it on ebay
  • [14:18:36] <doublebeta> Perhaps you do not see the fun in programming anymore.
  • [14:18:44] <doublebeta> Perhaps because you do it for work.
  • [14:19:01] * gary_ (47a8d210@gateway/web/freenode/ip.71.168.210.16) has joined #beagle
  • [14:19:22] <mru> I agree demoscene stuff is sometimes impressive
  • [14:19:27] * gary_ is now known as Guest93821
  • [14:19:28] <mru> but it's not a model for how to do real work
  • [14:19:32] <doublebeta> Lighten up and sit yourself down at a C64 with the programmer's manual (BRO TIP: ASM mnemonics and opcodes in the back) and some Coca-cola
  • [14:19:43] <av500> mru: unless memory prices skyrocket again :)
  • [14:20:06] <doublebeta> Write an ISR that plays with the video timings
  • [14:20:10] <emeb> 640k should be enough for anyone.
  • [14:20:13] <doublebeta> heh
  • [14:20:19] <av500> emeb: kbit, right?
  • [14:20:23] <doublebeta> Until you need a framebuffer, yup
  • [14:20:32] <emeb> av500: :)
  • [14:20:52] <av500> doublebeta: you dont need a framebuffer, outb the pixels as they come along
  • [14:21:11] <doublebeta> heh, outb? Not enough bandwidth, probably
  • [14:21:22] <av500> ok, outw then :)
  • [14:21:25] <Guest93821> Hi all, problem: I've been developing with my BB plugged into the office ethernet, via ssh. Now I must travel. I plugged in my serial cable, turned on the terminal emulator, rebooted the BB. It boots, but I get no login prompt. ...
  • [14:21:32] <doublebeta> Covox speech thing as VGA? I wanna see it.
  • [14:21:41] <emeb> bandwidth schmandwidth - there's a guy using AVRs to do video on-the-fly that way
  • [14:21:53] <doublebeta> Goodnight, soulless denizens of #Beagle.
  • [14:22:05] <Guest93821> last thing on the screen: [ 4.372009] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
  • [14:22:14] <doublebeta> emeb: yeah and I'd not be surprised if lft's AVRs have more BW than x86 ports
  • [14:22:27] <Guest93821> (where did my name go? :) )
  • [14:22:38] <av500> Guest93821: register
  • [14:22:48] <doublebeta> on x86 you had to insert a few k nops between writes else you'd corrupt the bus, iirc
  • [14:22:50] <av500> and dont use foreign nicks
  • [14:22:55] <doublebeta> perhaps that was some other ancient shit.
  • [14:23:12] * doublebeta is now known as doublebeta-sleep
  • [14:23:20] <doublebeta-sleep> mru: btw, where can I see examples of your work
  • [14:23:22] <doublebeta-sleep> *?
  • [14:23:41] * raster (raster@enlightenment/developer/raster) Quit (Quit: Gettin' stinky!)
  • [14:23:42] <Guest93821> I can still ssh ... but no serial port login. ??????
  • [14:23:58] <av500> Guest93821: well, maybe serial login is not configures
  • [14:24:00] <av500> Guest93821: well, maybe serial login is not configured
  • [14:24:19] <av500> seems you have kernel logs but no getty on the serial
  • [14:24:45] <Guest93821> It worked last week. Suggestions?
  • [14:25:06] <av500> travel back in time?
  • [14:25:26] <Guest93821> Ok, can I borrow your time machine? or are you using it?
  • [14:25:37] <av500> yes, to speak to you :)
  • [14:25:43] <av500> hi grandad
  • [14:25:46] <av500> +d
  • [14:26:18] <av500> Guest93821: is there a getty running on the port?
  • [14:26:22] <Guest93821> If serial login not configured ... how can I check and/or fix that?
  • [14:26:31] <doublebeta-sleep> check /etc/inittab - does that work on ARM?
  • [14:26:40] <av500> its linux after all
  • [14:26:54] <doublebeta-sleep> yeah but as I said earlier today, crazy shit happens in embedded.
  • [14:27:23] <av500> yes, like some ppl coding it all in asm.....
  • [14:27:32] <doublebeta-sleep> sigh
  • [14:27:35] <doublebeta-sleep> WHY SO HATE
  • [14:27:36] <Guest93821> Hmmm. No file /etc/inittab
  • [14:27:50] <av500> Guest93821: run ps -aux, there should be a getty or so
  • [14:27:51] <doublebeta-sleep> ok, suppose crazy shit happened in embedded land.
  • [14:28:07] <doublebeta-sleep> Bother mru, he seems to have done Linux kernel dev. :D
  • [14:28:11] <av500> doublebeta-sleep: there is no hate, you keep telling us about it
  • [14:28:16] <Guest93821> this is Ubuntu
  • [14:28:22] <doublebeta-sleep> indeed, you could just run getty
  • [14:28:25] <doublebeta-sleep> man getty
  • [14:28:53] <av500> Guest93821: and since it "worked" you changed nothing?
  • [14:29:06] * drakkan1000 (~drakkan@dynamic-adsl-78-12-182-206.clienti.tiscali.it) Quit (Quit: Ex-Chat)
  • [14:32:17] <doublebeta-sleep> My final note: Compare http://www.oby.ro/os/ with a few other x86 hobby OSes. All one person. Also there's Kolibri and a few other all-ASMs. granted, this is x86, perhaps x86 ASM is faster to write *cough*
  • [14:32:22] <Guest93821> I don't remember changing anything. DUH: my "terminal" is a MacBook.
  • [14:32:42] <doublebeta-sleep> correct serial port on your Macbook?
  • [14:32:51] <doublebeta-sleep> Can you confirm your serial port works?
  • [14:33:04] <doublebeta-sleep> jumper Rx to Tx.
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  • [14:36:26] <av500> doublebeta-sleep: to be clear: writing an OS for the lulz is perfectly fine, wrtiting it in asm on an OMAP3 because you can I consider a waste of time
  • [14:37:13] <doublebeta-sleep> Most could also consider writing it at all a waste of time.
  • [14:37:20] <av500> I dont
  • [14:37:21] <Guest93821> serial port works at least one-way: I can see the boot up messages.
  • [14:37:30] <doublebeta-sleep> I don't consider ASM a waste of time ;).
  • [14:37:34] <av500> but you dont see the login prompts
  • [14:37:44] <av500> doublebeta-sleep: fine :)
  • [14:37:58] <Guest93821> right: no login prompt
  • [14:38:14] <av500> so check if there is a getty running
  • [14:38:23] <av500> and #ubuntu-arm might know more
  • [14:40:02] <mru> doublebeta-sleep: as a matter of fact, I have done kernel work
  • [14:40:07] <mru> but that's not relevant here
  • [14:40:36] <doublebeta-sleep> what have you done that is relevant? I'm curious.
  • [14:40:51] <doublebeta-sleep> And btw, I hold nothing against you from that argument.
  • [14:40:53] <mru> kernel dev is irrelevant to the serial console problems someone had
  • [14:41:08] <doublebeta-sleep> oh that
  • [14:41:26] <doublebeta-sleep> :D, that was a little joke
  • [14:41:32] <Guest93821> I remember one change: setup network/interfaces for static IP
  • [14:41:33] <doublebeta-sleep> perhaps it's not funny to everyone.
  • [14:42:03] <doublebeta-sleep> :\. perhaps I'll just write to 0xFFFF0018 and hope there's magically RAM there.
  • [14:42:04] <av500> Guest93821: again, check if there is a getty running
  • [14:42:32] <Guest93821> I've got five processes called "getty"
  • [14:42:33] <doublebeta-sleep> more than likely, I'll get a MMU IRQ, and shit brix because I can't handle IRQs yet.
  • [14:42:43] <mru> doublebeta-sleep: that address will probably only contain ram if you set the mmu that way
  • [14:43:13] <mru> arm has hw page table walking btw
  • [14:43:27] <doublebeta-sleep> indeed, which kinda sucks since I gotta be careful to make sure no IRQs happen before I get the MMU set up
  • [14:43:28] <mru> so you only get interrupts from the mmu on missing mappings
  • [14:44:00] <doublebeta-sleep> It would probably consider 0xFFF0018 to be an invalid address and crap some.
  • [14:44:06] <doublebeta-sleep> + an F
  • [14:45:12] <doublebeta-sleep> I read in, perhaps an old copy, of the ARM ARM, I _think_ that said high vectors were deprecated. Well, NAND doesn't exist here. Man I wish 0x0 was RAM.
  • [14:47:41] <doublebeta-sleep> Tomorrow if I procrastinate on setting up the MMU (I probably will, it's what made me shit brix on x86 - I started gettign there but gave up after getting page faults in _parts_), I'll add barebones info to the OSDEV wiki, and perhaps get some traffic through there, and hopefully build interest (in bare metal programming, not my own project)
  • [14:50:59] <doublebeta-sleep> nvm, was 'Use of HIVECS == 1 is deprecated in PMSAv7, see Exception vectors ...'
  • [14:51:24] <doublebeta-sleep> which... is different I think, to 'HIVECS are deprecated'
  • [14:52:42] <doublebeta-sleep> Night, for real. Have a nice day, mru. Glad to know I britened it for ya ^_^
  • [14:53:05] <Guest93821> gotta go ... I'll try later here and #ubuntu-arm thank, gary
  • [14:53:10] <Guest93821> \leave
  • [14:53:29] <mru> address 0 has to map to something bootable
  • [14:53:31] <mru> usually rom
  • [14:53:33] <mru> or nor flash
  • [14:53:48] <skinny> hey guys
  • [14:53:55] <skinny> what actually is a tool-chain use for
  • [14:54:17] <av500> to compile stuff
  • [14:54:26] <av500> convert source code to executables
  • [14:54:31] <doublebeta-sleep> Page 205 would certainly suggest otherwise.
  • [14:54:49] <skinny> hmm
  • [14:54:56] <skinny> ok
  • [14:55:05] <skinny> thanks
  • [14:55:09] <av500> or to hang tools from your belt....
  • [14:55:45] <doublebeta-sleep> 0x40000000 is where the boot ROM is located. Perhaps there is indeed room for vecrots in 0x0. I'll write a quick dumper, tomorrow. Would be nice if I had UART irqs to make a better tx thingy >.>
  • [14:55:53] <doublebeta-sleep> *vectors
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  • [15:12:44] <skinny> av500: any recommendations for tool-chain on angstrom linux?
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  • [15:16:52] <av500> skinny: why not the one that angstrom itseld uses?
  • [15:17:14] <skinny> hmm
  • [15:17:24] <skinny> do I have to preinstall it?
  • [15:17:30] <skinny> or its already included ah
  • [15:18:19] <av500> depends
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  • [15:37:27] <skinny> sigh
  • [15:37:40] <skinny> its a pain to install tool chain
  • [15:38:17] <emeb> "opkg install task-native-sdk" is so hard to type
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  • [15:47:06] <skinny> emeb what's that
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  • [15:47:31] <skinny> sorry i'm pretty new to such stuffs. searched the web but cant find much definite answers
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  • [15:52:24] <emeb> skinny: that's how you install the toolchain on angstrom
  • [15:53:51] <skinny> emeb: alright thanks! :D
  • [16:02:51] * skinny (~skinny@bb121-6-249-17.singnet.com.sg) Quit ()
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  • [16:06:02] <joelagnel> does anyone know if ftrace works well (enough) for arm?
  • [16:08:46] <mru> http://26-26-54.hardwarebug.org/30
  • [16:09:59] <joelagnel> I'll take that as a yes
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  • [16:13:38] <mru> no, I have no idea
  • [16:13:41] <mru> since I haven't tried
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  • [16:44:35] <joelagnel> mru, support is pretty good :)
  • [16:45:13] <koen> joelagnel: tried kernelshark yet?
  • [16:45:40] <joelagnel> koen, no but I tried trace-cmd once upon a time
  • [16:46:12] <joelagnel> I bet it must be neat, nice screenshots
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  • [17:30:08] <Guest19412> Hi guys, i have a problem with beagleboard XM. I have successfully booted up the board with angstrom OS, but my keyboard and mouse weren't detected. Can anyone help me plz
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  • [17:33:27] <Guest19412> Hi guys, i have a problem with beagleboard XM. I have successfully booted up the board with angstrom OS, but my keyboard and mouse weren't detected. Can anyone help me plz
  • [17:33:31] * thurbad (~natesewel@64.132.24.248) Quit (Quit: thurbad)
  • [17:35:06] <prpplague> Guest19412: repeating your question will most likely get you ignored
  • [17:35:28] <prpplague> Guest19412: if someone is available and can help you they will
  • [17:36:19] <Guest19412> Sorry 1st time using IRC = )
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  • [18:14:18] <thurbad> Guest19412: did you get your usb sorted out?
  • [18:17:04] <Guest19412> Hi, no.. do u have an ideal what is wrong?
  • [18:19:27] <thurbad> probably need to update your kernel for a rev C board
  • [18:19:54] <thurbad> you probably don't have USB powered
  • [18:21:00] <Guest19412> but it was working fine when i tired using the sd card (angstrom) that comes with the XM board
  • [18:21:45] <thurbad> yeah, different kernel probably
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  • [18:23:30] <Guest19412> i downloaded the MLO + u-boot.bin + uImage + Angstrom....demo-img.tar.gz from http://www.angstrom-distribution.org/demo/beagleboard/
  • [18:23:37] <Guest19412> did i miss out anything?
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  • [18:24:00] <thurbad> where did you put uImage?
  • [18:24:35] <Guest19412> ok.. for uImage + MLO + u-boot.bin were all in the 1st partition fat32
  • [18:24:52] <Guest19412> demon img in ext3
  • [18:25:24] <thurbad> do you still have the uImage that came with the xM?
  • [18:25:33] <Guest19412> yes
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  • [18:25:52] <thurbad> if so put that on the rootfs partition under the boot/ directory
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  • [18:26:51] <thurbad> the demo image definitely has an older uImage init that didn't enable USB on rev C xM's
  • [18:27:39] <Guest19412> u mean replace my current uImage with the uImage that comes with board?
  • [18:28:09] <thurbad> the uImage with newer MLO goes in /boot
  • [18:29:41] <Guest19412> sorry i cant really understand what do u mean by /boot (new to beagleboard) = )
  • [18:30:37] <thurbad> the demo that you untarred has a directory named boot, you needto replace the uImage that is in there with a newer uImage
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  • [18:34:20] <Guest19412> newer uImage as in from the internet download?
  • [18:35:33] <thurbad> or from theSD that came with your xM since you know that oneworks
  • [18:36:02] <Guest19412> ok thank you very much for helping.. i'll give it a try = )
  • [18:37:55] <djlewis> thurbad: cant help himself :)
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  • [18:55:11] <djlewis> emeb: next time i mutter something about moving furniture around, Please strongly advise me against it.
  • [18:55:40] <djlewis> its put me out of commision since last saturday :(
  • [18:56:23] <emeb> djlewis: owche!
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  • [18:56:47] <emeb> can't you get the dogs to help? "Mush!"
  • [18:57:12] <djlewis> naw, wasnt enough room for them to move around indoors untill after ...
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  • [18:57:56] <djlewis> my big indoor dog gets into so many spots he has to reverse out of.
  • [18:59:09] <emeb> djlewis: heh - still remember the time one of our cats got wedged behind the refrigerator at 2:00AM.
  • [18:59:24] <djlewis> ugh... lots of howling?
  • [18:59:34] <emeb> yep - he wanted out _NOW_
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  • [19:12:12] <Guest19412> thurbad: Thank You So much it worked!!!! This thing has troubled me from many days = )
  • [19:14:27] <thurbad> n/p glad it worked for you
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  • [19:33:50] <djlewis> emeb: since I cant doo much I spent some time playing with the sdr receiver.
  • [19:34:27] <emeb> always an upside. :)
  • [19:34:33] <emeb> learn anything new?
  • [19:34:39] <djlewis> when conditions are fair it does fine job. I love the bandwidth spread we get even at 48KHz
  • [19:35:04] <emeb> ...and when conditions aren't fair?
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  • [19:48:56] <djlewis> emeb: may as well leave it off
  • [19:49:50] <emeb> djlewis: what's the issue you think? gain, filtering, LO purity?
  • [19:49:53] <djlewis> ive seen 20 meters go from fair to poor in a couple minutes
  • [19:50:07] <djlewis> atmosphere, sun, etc
  • [19:50:26] <emeb> last few weeks have been pretty noisy sun-wise, no?
  • [19:50:48] <djlewis> yep I spose so.
  • [19:50:53] <emeb> saw some nifty ELF noise plots on Gnu Radio list.
  • [19:51:17] <emeb> guy piping 40kHz direct into his audio input from a giant loop...
  • [20:01:24] <pupnik> how is 40khz extremely low frequency?
  • [20:01:40] <pupnik> nevermind i don't know what you're talking about
  • [20:02:58] <_av500_> 40khz is dc
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  • [20:09:49] <csil> What model is the CAN controller on the AM3517 Sitara Cortex A-8?
  • [20:10:08] <_av500_> its inside the 3527
  • [20:10:14] <_av500_> 3517
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  • [20:31:39] <csil> do you know what make and model it is? I can't find any documentation.
  • [20:32:23] <csil> or av500 can you direct me to the documentation?
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  • [20:42:34] <mdp> csil, the docs at http://www.ti.com/product/am3517 are not enough? are you looking for whose IP it is?
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  • [20:46:00] <djlewis> ok, so the two are the same. that narrows it down :)
  • [20:48:34] <csil> I need to know the specifics about the CAN controller - registers etc so yes who manufactured it? The data sheet says only high-end Can controller
  • [20:50:14] * djlewis is not referring to csil discussion
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  • [20:54:42] <mdp> csil, datasheets don't contain registers..the TRM covers this all in detail (chapter 23)
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  • [21:06:26] <xxiao> in various tasks there is a 'kernel-modules' item, could not find recipe for it, the kernel build script does not have it either, where is it?
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  • [21:07:05] <csil> Thank you I found it.
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  • [21:08:33] <koen> xxiao: virtual/kernel
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  • [21:13:24] <xxiao> koen: thanks
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  • [21:53:28] <xxiao> koen, i need add a new kernel-recipe.bb, how does virtual/kernel select a certain version of the kernel? it's not in images/tasks
  • [21:55:56] <koen> your machine.conf does
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  • [22:57:36] <djlewis> later . . .
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