/srv/irclogs.ubuntu.com/2010/11/22/#ubuntu-arm.txt

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bradhHi. I'm looking at https://wiki.ubuntu.com/ARM and https://wiki.ubuntu.com/ARM/RootfsFromScratch and am a bit confused. I'm interested in knowing if my software works OK on arm, but I don't have any ARM hardware. So I'm looking for the easiest way to get ubuntu going on qemu.03:51
bradhDo I have to build the rootfs? Or is it possible to say "qemu --magic_options" and install an image as usual?03:52
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persiazumbi_, GrueMaster: There aren't any arch-specific mailing lists for Ubuntu.  ubuntu-devel@lists.ubuntu.com is usually a good choice.06:45
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GrueMasterpersia: Thanks.  Didn't knpw if we were replacing ubuntu-mobile or not.07:12
GrueMasterknow07:12
persiaIt's about purpose.  Flavours can have mailing lists: interesting discussions about how to solve various issues (What use cases do we support?  How do we handle USB drives?  What program is useful for making phone calls?)07:13
persiaSince each flavour has a *different* answer to these questions, it makes sense to have separate discussions.07:13
persiaIn the case of architectures, there's very rarely such interesting discussions.  Most of the meaty bits are really more appropriately handled in toolchain discussions, which tend to happen in bug reports.07:14
GrueMasterah07:14
persiaAnd porting issues are usually interesting to everyone, although some architectures get more support than others (mostly seems to be related to what developers have, rather than anything else)07:15
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hrwhi08:09
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bradhI asked earlier, but didn't get a response: is the best way to set up a generic (not representative of any particular hardware) qemu vm to build the rootfs? Or is there something easier?10:34
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hrwmultistrap, rootstock, linaro-image-create10:58
hrwsome of them10:58
fredimThis error happens when I install ubuntu10.10-netbook-arm11:22
fredimubuntu-netbook-10.10-netbook-armel+dove11:22
fredim"Not omap EVM"11:23
persiafredim, You probably want to try to catch NCommander about that: I think he did most of the dove testing (and I don't know anyone else offhand who has dove)11:27
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zumbi_persia: ubuntu-devel best choice or ubuntu-mobile.. i just want to invite/let know ubuntu-arm about emdebian sprint/worksession12:48
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persiazumbi_, ubuntu-devel is probably best for that.12:52
persiaubuntu-mobile will likely go away soon enough.12:52
persia(as the flavours it discussed are no longer extant)12:52
zumbi_persia: ack, thanks :)13:00
joolzgafternoon fromuk13:06
joolzggot a problem, just installed ubuntu10.10 on my beagle board, system up but mouse and keyboard not working so i cannot get past the 1st welcome screen13:07
joolzgive also tried a couple of mice but same outcome13:07
joolzgi know the keyboard works cause i have been playing with building new kernels13:08
joolzgforgot to say im using the Maverick build linked from wiki.ubuntu.com13:09
joolzganybody here, feel all alone :-)13:10
ogra_acwhat beage version is that ?13:12
ogra_ac*beagle13:12
ogra_acpre-C4 had USB issues iirc13:12
joolzgc4 version13:13
ogra_acdo you have a powered HUB attached ?13:13
joolzgyep, i started with the EBV Beagle Kit which comes with everything except keyboard and mouse13:13
joolzgas i said i have been running non-gui for over a week, so i know keyboard works13:14
ogra_acwhich instructions exactly did you follow ? got  a link ?13:14
joolzghttps://wiki.ubuntu.com/ARM/OMAPMaverickInstall13:14
ogra_acok, thats the official image13:15
joolzgit boots and runs but it fails to let me past the "System Configuration"13:15
ogra_acdo you properly boot with the initrd ?13:15
ogra_acah, if you see the oem config screen you should be fine wrt initrd13:16
ogra_acdid you try to reconnect mouse and kbd after X is up13:16
joolzgnope13:17
ogra_actry that13:17
joolzgnot working13:18
ogra_achmm13:19
* ogra_ac hasnt heard of any such issues yet13:19
joolzgany way of getting the console up13:20
ogra_acedit boot.scr before you do the first boot, during the resize the image should set up a serial getty13:21
joolzgim a bit new on this stuff so any more pointers please13:28
joolzgi just booted from another SD card which i can see "4 port hub found"13:30
joolzgand it shows in dmesg "CHESEN USB Keyboard"13:30
joolzgand13:30
joolzg"PIXART USB Optical Mouse"13:31
joolzgfound it will turn on the serial and see what messages i get13:37
joolzgive added in the console=ttyS2,115200n8 and nothingon console, should i try ttyS113:49
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joolzgright got console up and there are no messages after the console login message, the system continues to boot but will without USB Keyboard or Mouse14:06
joolzgi also cannot see any USB messages in the console output14:06
suihkulokkilool: any idea why ldconfig would not plunge into hwcap directories, but ld.so does (ie when no ld.so.cache is around)14:14
loolsuihkulokki: Is your glibc/eglibc patched similarly than Ubuntu's?14:26
looldebian/patches/arm/local-hwcap-updates.diff14:26
loolsuihkulokki: http://bazaar.launchpad.net/%2Bbranch/ubuntu/eglibc/annotate/head%3A/debian/patches/arm/local-hwcap-updates.diff14:27
loolsuihkulokki: In fact, I'm not even sure this is enough14:28
loolsuihkulokki: Right; the patch has been broken in Ubuntu for some reason14:29
suihkulokkilool: thats not the problem.. I see ld.so crawl the directories and load hwcap libraries as expected14:30
suihkulokkithe problem is ldconfig doesnt crawl them14:30
loolsuihkulokki: http://bazaar.launchpad.net/~lool/ubuntu-toolchain/glibc-neon-and-misc-hwcaps/revision/21414:30
loolsuihkulokki: Yes; that's the HWCAP_IMPORTANT thing14:30
suihkulokkiwithout HWCAP_IMPORTANT ld.so doesn't crawl them14:31
loolwell I remember reading through that code when patching for vfp and neon, and there were different sets for ldconfig and for ld.so14:31
loolah debian/patches/arm/local-no-hwcap.diff is the other patch14:32
loolsuihkulokki: Is this in a chroot with /proc mounted?14:33
lool  * Update patch arm/local-no-hwcap to also flag HWCAP_ARM_NEON as an14:33
lool    important hwcap; this adds /lib/neon, /usr/lib/neon etc. to the ldconfig14:33
lool    and ld.so search pathes.14:33
lool  * New patch, arm/local-hwcap-updates, add support for some recent ARM hwcaps14:34
lool    additions.14:34
loolSo one of them is for the ldconfig cache, and the other is for ld.so and ldconfig; indeed it seems you should be seeing the same behavior for ldconfig and ld.so14:34
loolsuihkulokki: Is this with ldconfig -r?14:37
loolsuihkulokki: http://sourceware.org/bugzilla/show_bug.cgi?id=11149 was "recently" fixed and apparently introduced a regression14:38
ubot2lool: Error: Could not parse XML returned by sourceware.org: timed out (http://sourceware.org/bugzilla/xml.cgi?id=11149)14:38
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suihkulokkilool: no -r option14:41
loolsuihkulokki: Ok; then I'm out of ideas and would have to debug it14:42
loolI'm afraid I forgot most of the reading I did back then14:42
loolsuihkulokki: I'm curious to hear for the issue when you've found it  :-)14:43
loolsuihkulokki: Do you have this in a bug somewher?14:43
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GrueMasterogra: Friday's image fails to boot a second time.  Am planning to look into it further, but here is the boot log.  http://paste.ubuntu.com/535244/16:17
rsavoyeIs the OpenGLES & OpenVG libraries in Natty accelerated or are they the Mesa versions ?16:18
rsavoyeplus I was wondering if they were desktop only, as I was planing on using a framebuffer with no X1116:18
ogra_acGrueMaster, there were some X issues16:19
hrwrsavoye: mesa iirc provides only opengl not openles16:21
GrueMasterogra_ac: This is a kernel panic, and doesn't look X related.  I could be wrong, but I don't see any indication of X starting here.16:21
ogra_acoh, k16:21
rsavoyehrw: actually there are OpenGLES1 & 2, plus OpenVG libraries for Mesa, I'm already using them16:22
rsavoyebut eventually need to move them off the desktop and onto the real device16:22
rsavoyei.mx51 based16:22
rsavoyeI assume I can use the ARM Mali libraries with Natty or Maverick ?16:23
hrwrsavoye: babbage?16:23
rsavoyenope, custom hardware16:24
rsavoyeinitially using the Freescale eval board16:24
hrwrsavoye: planning to use 2.6.35-fsl or other version?16:24
rsavoyeright now they're using ltib for building images16:25
rsavoyebut may move to Ubuntu16:25
GrueMasterogra_ac: Did the image builder crash?  Not seeing images since 20101119, and no email for omap4 imaages (blank email for omap only).16:30
prpplagueogra_ac: does your ac100 have touchscreen ?16:31
ogra_acGrueMaster, no, only the logging16:31
ogra_acprpplague, nope16:31
ogra_acGrueMaster, ubuntu-netbook-default-settings was borked, fix went in today16:31
GrueMasterAh.16:32
prpplagueogra_ac: how is it working out for you?16:32
ogra_acGrueMaster, i dont know how ubuntu-netbook will behave though16:32
ogra_acso tomorrows build may still fail16:32
ogra_acprpplague, using ubuntu without touchscreen on the ac100 ? works fine ;)16:33
prpplagueogra_ac: sorry i meant in general, not specific to the touch part16:33
ogra_acwell, its works so so ... given that all power management, sound, button control etc is done in a proprietary tool in userspace i cant make full use of all the device features16:34
prpplagueogra_ac: have you seen the HP touchsmart units? they are x86, but i am curious what you think about the form factor:  http://www.amazon.com/HP-TouchSmart-tm2-2150us-12-1-Inch-Argento/dp/B00429LI9W16:35
prpplagueogra_ac: it's one of those designs that folds down into a psuedo-tablet16:36
ogra_acmy laptop is such a device16:36
ogra_aci dont use the touchscreen much16:36
ogra_achttp://www.avadirect.com/product_details_configurator.asp?PRID=1114916:38
ogra_acprpplague, to be honest i dont use my normal laptop much anymore, when i bought it it felt light any breezy but since i have the ac100 everything feels clunky, i even do tasks on the laptop only remotely from the ac100 atm16:46
prpplagueogra_ac: interesting16:47
prpplaguenever even heard of AVA before16:48
ogra_aci guess if you ask macbook air users you will hear something similar from them16:48
ogra_acthe form factor is really intreaguing16:49
ogra_acAVA is just an ODM, the OEM is Clevo for that laptop16:49
ogra_acerr, other way round ;)16:49
ogra_aci bought mine as "nexoc"16:50
prpplagueinteresting16:50
ogra_ac(the ac100 is originally built by compal btw)16:51
prpplaguethe prices are certainly good16:51
ogra_acyeah, its cheap and everything works out of the box with ubuntu, that were my critical points back then16:52
ogra_acand you can upgrade every part of it (CPU, RAM, DIsk etc)16:52
prpplaguehmm, this would be interesting with omap4 - http://www.avadirect.com/product_details_configurator.asp?PRID=1387716:53
ogra_acwith laptops i usually buy some average standard and upgrade it after 1.2 years16:53
ogra_ac1-216:53
ogra_acheh, toughbook like16:53
prpplagueyea16:53
hrwprpplague: I would prefer 10-11" with >=1024x600 but needs to have hdmi out16:57
* ogra_ac would prefer a pandaboard in the ac100 case ;)16:59
prpplagueogra_ac: already done that17:00
ogra_acwooot ?!?17:00
ogra_aca std panda ?17:00
prpplagueminus the connectors17:01
ogra_acwow17:01
ogra_acindeed, minus the connectors ;)17:01
prpplagueit was more of a proof of concept thing17:05
ogra_acbah, do it in mass production !17:06
prpplaguei thought about making a "retro fit kit"17:06
ogra_ac:)17:06
prpplagueogra_ac: http://www.frys.com/product/6280390?site=sr:SEARCH:MAIN_RSLT_PG17:32
prpplagueogra_ac: thats the netbook i used17:33
ogra_acthats not an ac100 ;)17:33
prpplagueogra_ac: yea i needed the room inside to shove a panda in17:33
prpplagueogra: if i did a nice pcb, i could get it down into a 7" netbook17:34
ogra_acyeah, thats why i was so suprised you said ac10017:34
ogra_acthats like 4x thicker than the ac10017:34
ogra_acmy gf has the same one sitting next to me17:34
prpplagueogra_ac: yea, if i were to do a custom pcb, i could get it pretty thin17:34
ogra_acyup17:35
prpplague7" seems too small to me17:36
prpplague8.9" is about right17:36
ogra_acboard size you mean ?17:37
prpplaguethe smallest 1280x800 i've seen is 11.4"17:37
prpplaguedisplay17:37
ogra_acah, the ac100 is 10"17:37
ogra_acand the MSI too (at least the one next to me)17:37
prpplagueyea the choices for lvds displays right now are 7" , 8.9", 10.1", 11.6" and 12.1"  for netbooks17:38
ogra_acwho needs 1280x800 anyway17:38
prpplague10.1" is the standard pers se17:38
ogra_acas long as you lead the HDMI outside17:38
prpplagueyea that is my thoughts as well17:39
ogra_ac1024x600 is just fine for the internal display17:39
prpplagueogra_ac: but i get alot of end user feedback saying they want 1280x80017:39
ogra_acwell17:39
prpplague(note most end users have no clue what they actually need verses what they want)17:40
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ogra_aci doubt you will actually be able to tell the difference between a 1024x600 downscaled  and 1280x800 full HD movie17:40
prpplagueindeed17:40
ogra_acwhich is the only reason why i wuld want a 1280x600 LCD17:41
ogra_acbut then i would use a 50" TV via HDMI anyway :P17:41
prpplaguehehe17:50
ogra_acGrueMaster, https://bugs.launchpad.net/bugs/664431 needs some NEON testing (again)18:05
ubot2Launchpad bug 664431 in qt4-x11 (Ubuntu Natty) (and 3 other projects) "QT on armel is built with NEON by default (affects: 4) (dups: 1) (heat: 40)" [Undecided,Confirmed]18:05
GrueMasterWhat kind of testing do you need me to do?  Be aware I only have one pandaboard with me.  I can remote into my dove, but it is limited.18:06
GrueMasterI can do more thorough testing with the dove next week.18:10
ogra_acwell, as soon as you can then18:12
ogra_acjust install a QT app and try to run it (ssh -X will be fine too, you dont need to have a desktop installed)18:13
GrueMasterOk, I'll see what I can do.18:13
ogra_acand report back that you dont see a SIGILL18:13
ogra_acno hurry, we have 10 days18:13
ogra_acor so18:13
ogra_aci asked some ac100 people too, but we need a test from a supported arch as well i think18:14
GrueMasterI can test the panda in a little bit.18:16
ogra_acpanda has neon18:17
ogra_aci need a dove test once you are back home18:17
GrueMasterAh.  Ok.18:17
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ogra_acndec, !22:08
ndecogra_ac: hi22:09
ogra_acndec, i'm waiting since a week to give you this link ;) https://lists.ubuntu.com/archives/ubuntu-devel/2010-October/031860.html22:09
ogra_acsomehow i either forgot it or you werent around22:09
ogra_acthat has info about the linker changes22:09
ndecogra_ac: hehe... thx!22:10

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