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  • [01:36:30] <joelagnel> koen, hi
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  • [02:55:30] <rick__> hi, Does somebody know how to reduce the latency of smsc9514?
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  • [08:11:18] <koen> cbrake: most time in EU, some time in the UK office
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  • [08:24:40] <daurnimator> cbrake: as oppose to cbreak?
  • [08:27:28] <koen> if I was from germany I'd confuse the two, but I live a handfull kilometers west of the german border :)
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  • [11:43:02] <woglinde> koen -> systemd[1]: Startup finished in 4s 146ms 397us (kernel) + 3s 418ms 847us (userspace) = 7s 565ms 244us.
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  • [12:18:30] <_av500_> woglinde: go out in the sun!
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  • [12:34:27] * ogra_ sits in the sun ... not a good recommendation, the screen gets so hard to read :P
  • [12:38:48] <woglinde> av500 its to hot
  • [12:39:02] <woglinde> and today I onyl removed the double getty on the tty
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  • [13:44:00] <xxiao> hi
  • [13:44:18] <woglinde> hi xxiao
  • [13:47:52] <woglinde> how's the weather intexas?
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  • [13:55:21] <thurbad> hot
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  • [14:07:44] <woglinde> thurbad he it feels like texas too
  • [14:13:51] <_av500_> woglinde: go to the spreewald
  • [14:14:02] <_av500_> and eat some gurks
  • [14:14:50] <woglinde> gurken is called gurks?
  • [14:14:53] <woglinde> really=
  • [14:14:54] <woglinde> ?
  • [14:15:06] <_av500_> no
  • [14:15:12] <_av500_> cucumbers
  • [14:15:36] <_av500_> or pickles in this case
  • [14:15:47] <woglinde> jepp
  • [14:28:02] <koen> woglinde: nice!
  • [14:28:21] <koen> woglinde: you can fix the double getty by renaming the service to serial-getty@
  • [14:28:42] <koen> woglinde: recent kernels tell which console you're on and system will autospawn a getty
  • [14:29:01] <koen> woglinde: I fixed it in oe-core, I guess I should try backporting the fixes to .dev at some point
  • [14:29:38] <woglinde> koen I just removed it
  • [14:29:41] <woglinde> from getty.wants
  • [14:29:49] <woglinde> seems systemd peeks at the kernelcmd
  • [14:29:55] <woglinde> line
  • [14:30:01] <woglinde> hm uefi impl for the beagle
  • [14:30:03] <woglinde> what the hell
  • [14:30:12] <woglinde> windows8 is comming
  • [14:31:18] <woglinde> http://sourceforge.net/apps/mediawiki/tianocore/index.php?title=Beagle_Board_Wiki
  • [14:31:28] <woglinde> good nobody asked here sofar about it
  • [14:31:40] * kblin shrugs
  • [14:31:44] <koen> woglinde: have a look at http://pastebin.com/pBwu6Vyx
  • [14:32:08] <kblin> MS always is late to the party
  • [14:32:43] <woglinde> koen hm
  • [14:33:06] <woglinde> kblin but we will see a diffrent embedded market
  • [14:33:13] <woglinde> when win8 comes out
  • [14:33:17] <koen> uefi is nice if devicetree didn't exist :)
  • [14:33:41] <kblin> woglinde: one that crashes more often?
  • [14:33:49] <woglinde> kblin?
  • [14:34:10] <woglinde> kblin did you see windows phone7 crashing?
  • [14:34:25] <kblin> nope, I didn't see that at all yet
  • [14:34:57] <woglinde> kblin ms cannot risk a crashing system anymore
  • [14:35:08] <woglinde> these times are over
  • [14:35:44] <kblin> in all honesty, I start caring about windows on embedded when they enter the server market with it
  • [14:36:48] * thurbad (~nate@rrcs-97-79-173-242.sw.biz.rr.com) Quit (Ping timeout: 250 seconds)
  • [14:37:05] <woglinde> embedded server market?
  • [14:37:15] <mru> windows server?
  • [14:37:30] <woglinde> 2008?
  • [14:38:01] <woglinde> hm time for an ice now
  • [14:38:10] <kblin> when windows <whatever> server can run on embedded hardware, they're waltzing through my playground
  • [14:38:37] <mru> why would anyone want windows on a server?
  • [14:38:54] <kblin> mru: beats me, but they're selling a lot of them
  • [14:39:15] <kblin> we've got one at work for AD
  • [14:40:33] <woglinde> kblin still there is no easy way to use krb-ssh from windows to a linux box
  • [14:40:50] <kblin> true
  • [14:42:24] <kblin> but that is fixable
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  • [16:03:30] <divineant> Hi, im a beagle newbe and im trying to install debian via this guide http://elinux.org/BeagleBoardDebian, but when its done installing, it keeps rebooting into the installer
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  • [17:09:11] <_bruce> whenever i compile a large program in gcc 4.3.3 (the package that come with angstrom linux), i specify -mcpu=cortex-a8 -mthumb -O2... after a while, i get an error from the assembler saying "target offset out of range". i googled and the answer is to upgrade gcc. how does one upgrade to the most recent gcc build in angstrom?
  • [17:10:07] <_bruce> opkg update/upgrade does not update the gcc package
  • [17:10:19] <woglinde> let us see
  • [17:10:39] <woglinde> http://www.angstrom-distribution.org/repo/?pkgname=gcc
  • [17:11:12] <_bruce> i am already tehre woglinde. do i st need to download teh .ipk file for the gcc package i need?
  • [17:11:25] <woglinde> how about opkg update
  • [17:11:39] <woglinde> setup usbnet for it
  • [17:11:42] <_bruce> what about all of the dependencies. not sure if it will do it automatically
  • [17:11:50] <djlewis> that link is sllooww
  • [17:11:58] <woglinde> djlewis no
  • [17:12:04] <woglinde> its the slow mirror you hit
  • [17:12:06] <_bruce> woglinde: my board is connected to the internet and i already ran opkg update
  • [17:12:10] <djlewis> hehe
  • [17:12:16] <woglinde> so you should get 4.5
  • [17:12:37] <woglinde> otherwise you have to download it per hand yes
  • [17:12:40] <woglinde> and all deps
  • [17:13:05] <_bruce> fuck ;[
  • [17:13:15] <woglinde> sorry
  • [17:13:33] <_bruce> i wish it were a bit more automatic
  • [17:14:00] <woglinde> it normaly is
  • [17:14:02] <_bruce> i love the angstrom automatic package/distirbution bbuilder. whoever made that should be given bonus or something
  • [17:14:09] <djlewis> _bruce: what does opkg list gcc show you?
  • [17:14:11] <woglinde> dont know why it isnt in your feed
  • [17:14:44] <_bruce> djlewis: it shows "gcc - 4.3.3-r23.1.6 - The GNU cc and ..."
  • [17:14:47] <djlewis> you might have already said, mine only shows 4.3.3 for sakoman gnome-r12
  • [17:14:56] <djlewis> gcc - 4.3.3-r22.1.6
  • [17:15:01] <_bruce> yep, that's what i have
  • [17:15:19] <_bruce> but on the anstrom package browser, there is 4.4 and 4.5 packages
  • [17:15:27] <djlewis> yep
  • [17:15:35] <_bruce> i have to upgrade to a newer version otherwise these builds continue to fail with the error pasted above
  • [17:16:43] <djlewis> i dunno. ask mru
  • [17:17:55] <mru> I've hit that bug too
  • [17:18:01] <mru> my solution is to not use thumb
  • [17:18:13] <mru> maybe it works in gcc 4.5 or 4.6
  • [17:18:17] <_bruce> hehe, that is what i ended up doing ;)
  • [17:18:30] <mru> there's really nothing to gain using thumb
  • [17:18:34] <_bruce> but i wanted to try thumb2 and compare teh difference
  • [17:18:48] <mru> there's not much difference
  • [17:18:58] <mru> code size is somewhat smaller
  • [17:19:05] <_bruce> yea, that is pretty much it
  • [17:19:05] <woglinde> mru btw. did llvm fixes your bugreports?
  • [17:19:09] <mru> no
  • [17:19:22] <mru> nor did I expect them to
  • [17:19:26] <_bruce> ahh.. interesting.. there is angstrom.2010.next and 2010.x
  • [17:19:46] <_bruce> i wonder if opkg update/grade defaults to 2010.x instead of .next
  • [17:19:47] <woglinde> _bruce whats so intressting about it?
  • [17:20:04] <woglinde> hm possible
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  • [17:22:59] <djlewis> funny, i have a LCD+kybd+mouse here on my BB and mostly use console from this linux system
  • [17:23:10] <_bruce> mru: most commercial apps target thumb mode for code density. i think all of the apple/microsfot stuff target thumb.
  • [17:23:23] <mru> so?
  • [17:23:54] <mru> the code gets on average about 20% smaller
  • [17:24:14] <mru> in a few rare cases this makes it faster if there's just the right amount of I-cache churn
  • [17:24:25] <mru> in most cases it makes no difference
  • [17:24:37] <mru> however, gcc thumb codegen is much buggier than arm
  • [17:25:01] <mru> so unless you have tight space constraints, there's nothing to gain
  • [17:25:21] <_bruce> doesn't apple use teh gcc toolchain for their codegen?
  • [17:25:45] <_bruce> there are only a few toolchian choices.. it is either arm's stuff or gcc
  • [17:26:36] <mru> your point being?
  • [17:28:52] <_bruce> well, if others are using it, it should be stable enough for my simple usage
  • [17:29:51] <_bruce> let me try to update manually now *prays*
  • [17:30:43] <mru> fine, do it your way
  • [17:30:46] <mru> I tried to help...
  • [17:31:55] <_bruce> hehe, thanks. i appreciate it. i did not mean to disregard it tbh. i ended up using ARM mode and it worked out well. just want to experiment with this thumb stuff
  • [17:32:14] <mru> no harm in trying
  • [17:37:15] <ds2> keep in mind thumb2 is more portable between ARMv7 members
  • [17:41:41] <_bruce> oh yea, becuse one of the armv7 profiles only suppoorts thumb2. i think armv7-r or soemthing
  • [17:41:49] * gxk (~gxk@192.91.60.11) Quit (Ping timeout: 246 seconds)
  • [17:41:54] <mru> m
  • [17:42:01] <mru> but r has div
  • [17:43:46] <mru> and m has other things
  • [17:44:01] <mru> you'd never run the same binary on the different architecture profiles anyway
  • [17:44:40] * topfs2 (~topfs2@xbmc/staff/topfs2) Quit (Ping timeout: 240 seconds)
  • [17:45:08] <_bruce> true
  • [17:48:37] * _bruce sighs
  • [17:48:38] <_bruce> failed
  • [17:48:39] <_bruce> gcc: error trying to exec 'cc1': execvp: No such file or directory
  • [17:48:39] <_bruce> gcc: error trying to exec 'cc1': execvp: No such file or directory
  • [17:48:54] <_bruce> even though the gcc package installed correctly
  • [17:49:15] <woglinde> you need more
  • [17:49:16] <woglinde> cpp
  • [17:49:19] <woglinde> for instance
  • [17:49:48] * _bruce tries
  • [17:51:23] <woglinde> and use strace
  • [17:56:40] <_bruce> ahhh, you are right woglinde. seems like it is working now
  • [17:57:20] <_bruce> i wonder if there are other packages hat i'd need to update as well, like the assembler
  • [17:57:29] <woglinde> ofcourse gcc is only the frontend
  • [17:57:51] <woglinde> yeah newer binutils might help too
  • [17:58:02] <mru> binutils 2.19 is usually enough
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  • [18:02:44] <djlewis> ahh, good to the last drop, last of the morning coffee.
  • [18:03:43] <koen> _bruce: install task-native-sdk, that should get you what you need
  • [18:04:16] <_bruce> yayyyyyyyyyyyyyyyyyyyyyyyyy. after updating binutils, everyting builds. in case others run into issues with teh assembler while doing codegen for thumb, the answer is to upgrade the assembler. apparently there was some recent patches for the ORN instructino
  • [18:05:06] <_bruce> cc1: error: bad value (armv7-a) for -mcpu switch
  • [18:05:06] <_bruce> beagleboard:~/sqlite-amalgamation-3070603$ gcc -march=armv7-a -mthumb -O2 sqlite3.c shell.c -o shell -lpthread -ldl
  • [18:05:10] <_bruce> /tmp/ccYrdlZG.s: Assembler messages:
  • [18:05:12] <_bruce> /tmp/ccYrdlZG.s:2790: Error: bad instruction `orn r3,r4,#127'
  • [18:05:13] <_bruce> arggg.. sorry
  • [18:05:16] <_bruce> /tmp/ccYrdlZG.s:2812: Error: bad instruction `orn r2,r2,#127'
  • [18:05:18] <_bruce> /tmp/ccYrdlZG.s:2844: Error: bad instruction `orn r2,r2,#127'
  • [18:05:20] <woglinde> *g*
  • [18:05:30] * ZeZu (~null@c-98-227-57-1.hsd1.in.comcast.net) Quit (Ping timeout: 248 seconds)
  • [18:05:39] <mru> _bruce: you should fix that -mcpu flag
  • [18:05:49] <mru> oh, you already did
  • [18:05:58] <_bruce> thank you mru and woglinde for being patient in helping.
  • [18:06:16] <_bruce> yea, i always get -mcpu and -march mixed up
  • [18:06:39] <mru> it would be easier if gcc were consistent
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  • [18:09:28] * djlewis reads the past year eevblog update on upgrading the Rigol DS1052E
  • [18:09:41] <ds2> no but you might write .S files for multiple platforms
  • [18:10:56] <_bruce> koen: the task-natie-sdk is only 814 bytes. does it just contain pointers to other packages?
  • [18:11:15] <thurbad> it's a meta package
  • [18:11:26] <thurbad> it just contains dependencies
  • [18:11:28] * risca_ is now known as risca
  • [18:14:53] <_bruce> thanks
  • [18:17:12] <_av500_> gm
  • [18:17:33] <djlewis> _av500_: gm :)
  • [18:18:01] <_av500_> weathered all the storms?
  • [18:19:30] <_bruce> k, updated and everything works fine. i also installed the gcc-doc and gdb-doc for man pages. how do i rebuild the man pages index so that these show up
  • [18:19:53] <_bruce> argg.. i do not even have teh man tool installed
  • [18:20:11] * _bruce installs man
  • [18:20:45] <djlewis> _av500_: yep, so far we have been in a mid summer trend, upper 90's + humid but nights are fine in 70's
  • [18:21:11] <djlewis> my tomato plants are loving these sunny hot days :)
  • [18:27:56] * prpplague^2 (~danders@nat/ti/x-noitobryypgxugay) Quit (Quit: Leaving)
  • [18:43:41] <cbrake> current minimal image from OE -- the OTG port is not functioning in HOST mode (cable with ID pin grounded is plugged in)
  • [18:43:48] <cbrake> (on beagle)
  • [18:43:56] <cbrake> is there anything extra needed to make this work?
  • [18:44:05] <koen> cbrake: try modprobing a gadget driver
  • [18:44:17] <koen> I didn't forward port the autodetect hack from .32
  • [18:44:26] <cbrake> koen: ok, thanks
  • [18:44:27] * divineant (~divineant@82.192.143.135) Quit (Ping timeout: 246 seconds)
  • [18:44:34] <koen> since that makes the kernel oops if you plugin a usb cable at boot
  • [18:45:47] <koen> cbrake: the gist of the situation is that the initial design for autodetect got shotdown by mainline (iirc the late Dave Brownell) and we at TI haven't made a new design yet
  • [18:47:05] <koen> but we have Felipe Balbi now at TI, so things could be improving soon
  • [18:47:18] <cbrake> great!
  • [18:48:25] <koen> cbrake: if loading a gadget driver helps, then it works as expected, if not, it needs to get fixed :)
  • [18:48:47] <cbrake> koen: looking for an image that has modules installed ...
  • [18:49:56] <koen> hmmm, I'm hitting FW800 limits with this external drive :(
  • [18:50:10] <koen> still 95MiB/s is decent enough for builds
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  • [20:05:12] <cbrake> is there any way to make GCC print out where it is getting its include files?
  • [20:05:26] <woglinde_> yes
  • [20:05:28] <woglinde_> man gcc
  • [20:05:31] <woglinde_> --verbose
  • [20:05:49] <woglinde_> -v
  • [20:05:50] <woglinde_> sorry
  • [20:10:47] <cbrake> woglinde_: that helps, thanks
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  • [20:46:22] <cbrake> koen: modprobe g_ether got the OTG functioning in host mode :-)
  • [20:47:54] <cbrake> wow, hotplugging USB Host on the OTG port works
  • [20:48:07] <cbrake> wonders of wonders
  • [20:48:07] <woglinde_> hm?
  • [20:48:26] * woglinde_ should read again what otg really does
  • [20:48:37] * cbrake tries connecting to a PC in device mode ..
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  • [20:55:41] <ds2> someone really ought to fix that loading of a g_ module to get stuff going hack
  • [20:56:58] <_bruce> interesting, the codegen between minor gcc builds is not very consistent. i upgraded and now the branchless output i got for one function is no longer there :>
  • [20:57:17] <_bruce> http://pastebin.com/DeJRLAnL
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  • [21:13:45] <mru> what was the c code and which compilers and flags?
  • [21:16:14] <koen> ds2: maybe can poke ajay or balbi for that
  • [21:19:35] <_bruce> c code is pretty simple: int foo( bar *ptr) { return ptr==NULL || p->field;}
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  • [21:20:10] <_bruce> i just used -O{0,1,2,3}
  • [21:20:34] <_bruce> it's not particulary important at this point, i just thought it was interesting that one upgrade could change so much ;]
  • [21:20:39] <mru> two of them are thumb, two are arm
  • [21:20:44] <mru> the last looks like -O0
  • [21:20:47] <_bruce> yep
  • [21:21:45] <_bruce> the top versoin targeted arm with -O2 on gcc 4.3; the next two are the same but generated with 4.5; the last was -O2 on 4.5 as well
  • [21:22:14] <mru> no way the last one is -O2
  • [21:22:18] <mru> that's -O0
  • [21:22:19] <_bruce> i meant, -O0
  • [21:22:24] <_bruce> sorry.. bad typing ;]
  • [21:22:46] <mru> the middle two are -O2 or -O3, one arm and one thumb
  • [21:23:03] <mru> the code sequences are exact equivalents
  • [21:24:09] <_bruce> do you work on gcc or something mru?
  • [21:24:24] <mru> more like work against it
  • [21:24:38] <_bruce> haha
  • [21:24:49] <mru> I've spent a fair amount of time looking at compiler output
  • [21:24:59] <woglinde_> *g*
  • [21:26:00] <mru> speedwise the first two variants are probably very close
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  • [21:26:14] <_bruce> i've done the same, but x86 only. jsut started looking at arm in the last few months more closely
  • [21:26:23] <mru> the second one might actually be nicer on the branch predictors
  • [21:26:49] <woglinde_> oha moths
  • [21:28:59] <mru> my version: http://pastie.org/2019896
  • [21:29:25] <woglinde_> handcrafted asm?
  • [21:29:32] <mru> yes
  • [21:29:39] <mru> aka mrucc
  • [21:29:57] <woglinde_> you should patented your brain
  • [21:30:04] <_bruce> hehe, mru the human arm optimizer
  • [21:42:23] <mru> beer time
  • [21:44:25] <djlewis> cool... beer :)
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  • [22:53:17] * agnel me is going study compiler construction at Uni next fall
  • [22:53:30] * agnel loves staring at compiler output too
  • [23:04:41] <djlewis> hmmm
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  • [23:43:52] <_elias_> Hi
  • [23:44:28] <_elias_> anybody know how to run qemu for omap3 (beagleboard)?
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