/srv/irclogs.ubuntu.com/2010/09/13/#ubuntu-kernel.txt

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MTecknologywow.. it's unreal how busy the kernel ML is06:57
amitkMTecknology: lkml?07:22
MTecknologyamitk: on lists.ubuntu.com07:33
MTecknologyamitk: and the bugs running through ~ubuntu-kernel-team07:33
amitkyeah, it has certainly grown over time07:35
MTecknologyI decided to hop out of ~ubuntu-kernel-team and hop into teams that are more specific to my interest - probably not a big deal considering the lack of involvement I've had.07:37
MTecknologyI aimed too high - tried to do too much stuff - and now I have simple projects that are over a year old and still unreleased :(07:38
MTecknologyok.. nappy time07:40
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apwdrew212, yes if your touchpad is missing a bug is needed08:24
ikepanhcapw: about bug 63470208:28
ubot2Launchpad bug 634702 in linux (Ubuntu) "Kernel 2.6.35-19 fails to boot Lenovo S10-3 (affects: 1) (heat: 8)" [Critical,In progress] https://launchpad.net/bugs/63470208:28
ikepanhcI believe the new module intel_idle is the root cause08:29
apwikepanhc, interesting08:29
ikepanhcbut dont know much about the module, any idea who we shall ask?08:29
smbI guess it would be something to bring up on the acpi mailing list08:30
ikepanhcThe S10-3 use N450 as CPU08:30
smbMaybe cc Len Brown08:30
apwwell if we have proven its the cause, like via black-listing, then acpi list sounds good, and the authors of course08:30
smbgood morning btw... :)08:30
apwmoin08:31
ikepanhcgood morning .eu :)08:31
ikepanhcwill write to Len Brown08:31
ikepanhcyou guys have any N450 machine?08:31
smbikepanhc, But don't forget linux-acpi, I want to watch the thread. ::)08:31
apwikepanhc, i would email the authors of the commit which adds it08:31
apwcc: acpi and len, its the authors who are most likely to have a clue08:32
ikepanhcI wonder it happens on all N450 machine or only S10-308:32
smbHm, No I only have old 270s08:32
apwikepanhc, i would not be supprised if it is all, perhaps a search for those symptoms may help08:32
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kengyuikepanhc, iirc, samos is N450?09:16
jmghi all09:47
jmgi need to do an instruction trace on the kernel09:47
jmgwhat debugger should i use?09:48
jmgkdb and kgdb dont seem to be in the repos09:48
jmghmm10:02
jmghi balbir10:02
balbirjmg: hi10:20
jk-jmg: what are you looking to do?10:21
jk-(ie, what would you like to trace? or do you want to step through a particular function?)10:21
jmgget an instruction trace for usb-storage operations10:21
jmgso i can figure out what instructions to use in a tool im writing10:22
jmgthe instruction trace for overwriting a file would get me a long way10:23
apwsounds like you want a usb trace more than an instruction trace10:23
jmgi cant read usb10:24
jmgif i could, that would help10:24
apwthere is some way to trace usb traffic10:29
jmgyeah i saw it10:29
jmgdebugfs10:29
smbhttps://wiki.ubuntu.com/Kernel/Debugging/USB10:29
TeTeTare there any known USB problems in the Lucid kernel, especially on T61/x61? A customer reports problems on 3G (USB), printers (USB) and wonders if there's a known issue10:30
smbTeTeT, Vaguely known at most. I think I remember some reports but not really details10:31
smbAnd it depends an "problems"10:31
smbproblem not being detected at all or traffic problems10:31
TeTeTsmb: problem as in arbitrarily happening losses of devices, e.g. 3g no longer working, printing not possible10:32
TeTeTsmb: I try to get more details from the customer, but they have themselves problems collecting detailed information from the field10:33
smbTeTeT, Those rather not known and may be device specific or not. Can you make sure problems are reported for each device (if it is not something like all usb traffic is broken after some time)10:35
TeTeTsmb: yes, will file bug reports as soon as I get enough details10:35
jmgok the usb trace10:37
RAOFHm.  How can I work out what's the most recent commit in the drm-intel kernel PPA build?10:37
RAOFOr, more specifically, how can I tell whether the commits that should fix bug #600453 have landed in there.10:39
ubot2Launchpad bug 600453 in linux (Ubuntu) "[arrandale] [i915] DELL E6510: blank screen on boot (Intel GPU) (affects: 16) (heat: 143)" [High,Confirmed] https://launchpad.net/bugs/60045310:39
jmgi cant read it :(10:42
apwRAOF, there is a COMMIT file in the newer result directories which have the commit id which was built10:44
apwRAOF, the latest build is in 'current' always10:45
ckingapw, where is the list of current kernel team bugs for maverick?10:45
smbcking, https://wiki.ubuntu.com/Kernel/Tagging10:47
jmgf***ing usb, how does it work?10:49
apwjmg, heh now that is is a big question10:56
smbjmg, Have you looked at the link I posted?10:56
apwnot sure what you think you'll find from an instruction level trace thats going to be easier to understand10:56
smb(assuming you have problems getting the trace)10:56
apwi thought there was a library for interacting with usb devices10:56
apwlibusb i think is the one, perhaps that would have documentation too10:57
jmgsmb: yes11:03
jmglibusb is what i will use to write my tool11:05
jmgone i know what to send11:05
jmgonce*11:06
jmgmaybe i should just read the usbms spec heh11:08
apwcking, bouncy?11:21
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apwmjg59`, just saw your backlight writeup, has the kernel side stuff hit mainline>11:50
apw(it sounds like a very sane approach to the moras)11:50
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* apw lunches12:16
mjg59`apw: Not yet12:33
* smb is back12:51
apwmjg59`, ta for the info, very interesting none the less12:54
DrKenobiHi! I'm looking the log of the meeting about bug triage of last Saturday. Where can I find it?12:59
smbhttp://irclogs.ubuntu.com/2010/09/11/%23ubuntu-classroom.html13:03
smbDrKenobi, ^13:03
DrKenobismb, thanks! great! I think it would be great to have this link at https://wiki.ubuntu.com/Kernel/BugTriage/Summit/Maverick It would be helpfull13:06
smbDrKenobi, I guess you will have the power to do that. ;-)13:07
DrKenobiI can? OK, I'll try. Just a basic question: this is automatically generated, or someone has to copy/paste?13:08
smbThese are automatically generated daily by channel (I guess limited to ubuntu channels)13:09
smbThis channel is there as well13:10
DrKenobiGreat. I knew the chat the channels history (log?) was stored, but I never found it. Thanks.13:11
mjg59`apw: Needs to go through Richard Purdie's tree, and I think he's stuck in Portland at the moment13:30
n1ght0wlhey guys.13:49
n1ght0wli saw strange kernel oopses with maverick kernel tag 2.6.35-20.29 from ubuntu-maverick repository built on ubuntu-lucid on x86_64.13:50
n1ght0wlkernel oops can be achived by running lshw command which in most cases hangs and cannot be killed using kill -9.13:50
apwn1ght0wl, yes that one we know about, the fix should be in the -21.30 kernel when it hits the archive13:53
n1ght0wlapw: thanks.13:54
n1ght0wlapw: is there any url related to this problem?13:54
n1ght0wlis this it?13:56
n1ght0wlhttps://bugs.launchpad.net/ubuntu/+source/linux/+bug/63667913:56
ubot2Launchpad bug 636679 in linux (Ubuntu) "[119903.693261] BUG: unable to handle kernel NULL pointer dereference at 00000008 (affects: 1) (heat: 6)" [Undecided,New]13:56
n1ght0wlthanks alot guys!13:59
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apwtgardner, ok talked to cjwatson and it seems that now that linux-libc-dev is bumped to -803 we cannot upload anything (for armel) which is lower than that, full stop14:16
apwtgardner, the recommendation is therefore to bump the abi component for linux-libc-dev above that for the maverick master14:16
apwtgardner, he has given me some techniques to use for that, so am going to try them out14:17
apwwhat a mess14:17
tgardnerapw, I think we need a bodge in the rules that checks for master which is the only branch that should build linux-libc-dev14:21
apwtgardner, yeah i am also liking that idea ... explode on build14:22
apwi'll do that as well14:22
apwogasawara, fyi armel maverick is failing, know what it is and am working on it14:31
cndpgraner, what's the status on the firmware updates?14:49
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pgranercnd, no status yet, keep with what we have for now15:58
cndpgraner, you're killing me :)15:59
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tgardnerapw, I have 2.6.36-rc4 amd64 natty kernels on tangerine.buildd:~rtg/natty/kern if you'd like to experiment with your i915 issues17:32
apwtgardner, sounds interesting17:50
sconklinapw, ogasawara: https://bugs.edge.launchpad.net/ubuntu/+source/linux/+bug/62971118:28
ubot2Launchpad bug 629711 in linux (Ubuntu Maverick) (and 2 other projects) "[Maverick] Removing external display on Vostro 3500 corrupts the screen (affects: 1) (heat: 8)" [High,Triaged]18:28
ogasawarasconklin: thanks, looks like that patch just landed in 2.6.36-rc4 and Cc'd stable18:33
sconklinogasawara: cool. That was in the queue for the bugchat we didn't have today, so I wanted you to know18:33
ogasawarasconklin: I'm going to wait a few days and hope the 2.6.35.5 stable lands so we can rebase Maverick before freeze18:33
ogasawarasconklin: so we might get it for free, regardless I'll build them a test kernel with the patch18:33
apwogasawara, just waiting on the last test build before i ship you the ti-omap-disaster patches18:34
ogasawaraapw: cool, I was going to apply you patch and re-upload to get armel building again as well as having the kernel rebuilt against the latest gcc18:35
Sarvattapw: regarding the mainstream kernels, comedi should be fixed now  - http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=10022a0675a8f8722068d956a798f1fddb02e71c18:37
apwSarvatt, in theory the patches should self-stop applying18:37
Sarvattoh, nice!18:38
Sarvattnot sure if it was even still being applied, i just noticed it upstream18:38
apwif you look at that one, its gone ... all by itself ... http://kernel.ubuntu.com/~kernel-ppa/mainline/v2.6.36-rc4-maverick/18:39
Sarvattawesome :)18:39
* apw pats self on the back, the first time its worked :)18:39
keessmb: when do you want to do the next kernel security update?18:53
smbkees, want? (must be a trick question) We likely want the current lucid proposed in updates18:54
keessmb: heh. I guess I mean "when would it be best?" :P18:54
smbkees, I guess so. :) I will have a look at the sru status tomorrow and then its probably worth starting to pass some processing on to bjf and sconklin this time.18:56
keesokay, cool18:56
* apw wanders off to gte some food in19:01
* tgardner lunches19:03
* smb wander towards eod19:03
bjfogasawara: am doing some patchwork cleanup19:06
bjfogasawara: i'm looking at "musb: move usb_add_hcd to the core init code from gadget code (v2)" by Bryan Wu which you have under review19:06
bjfogasawara: was it really a pull request or just a discussion?19:07
ogasawarabjf: I think it was just a discussion and last I remember bryan was still waiting for feedback19:09
bjfogasawara: can I also mark the "xsave" patches as rejected?19:09
ogasawarabjf: not till kernel freeze19:09
ogasawarabjf: as it was dependent on them getting us test cases by kernel freeze if I'd consider applying to maverick or not19:10
ogasawarabjf: for lucid SRU they're a nack19:10
ogasawaras/lucid/maverick19:10
bjfogasawara: ah, your waiting for the winged pigs to appear19:11
ogasawarabjf: exactly :)19:11
ogasawarabjf: so I'll mark them as rejected on thurs19:11
* cking calls it a wrap19:11
bjfnp19:11
smoserapw, jjohansen says there is some kernel/upstart bug that is related to bug 60637319:50
ubot2Launchpad bug 606373 in linux-ec2 (Ubuntu Maverick) (and 3 other projects) "cloud-init output does not get to console when booted with pv-grub and ramdisk (affects: 1) (heat: 73)" [Undecided,New] https://launchpad.net/bugs/60637319:50
smoserdo you happen to know that bug number ?19:50
apwbug #55417219:51
ubot2Launchpad bug 554172 in upstart (Ubuntu Maverick) (and 5 other projects) "system services using "console output" not starting at boot (affects: 208) (dups: 16) (heat: 924)" [Medium,Fix released] https://launchpad.net/bugs/55417219:51
apwsmoser, ^^19:51
smoserdanke19:52
jjohansenyeah19:53
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* ogasawara lunch20:15
jjohansen-> Lunch20:41
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* jjohansen -> running errand back in a bit21:54
bjfogasawara: i'm confused by lbm version numbers I'm seeing22:08
ogasawarabjf: for which release?22:08
bjfogasawara: lucid22:08
bjfogasawara: if I bring up the "Synaptic Package Manager" and type in "linux-backports-modules-alsa" in the "Quick search" box ..22:09
bjfogasawara: I see modules with the description of "Backported drivers for alsa-driver snapshot"22:09
bjfogasawara: as well as "Ubuntu supplied Linux modules for version 2.6.32 ALSA snapshots."22:10
bjfogasawara: 2.6.32-25.22 is what I just recently uploaded and was built, I don't know what these "2.6.32.25.27" versioned packages are22:10
ogasawarabjf: that looks like the meta package version22:11
bjfogasawara: there is a lbm meta package?22:11
ogasawarabjf: the linux-meta package generate lbm meta packages22:12
bjfhuh22:12
bhueygot an nvidia module crash22:23
bhueysoftirq hang22:23
bhueytrying to file a bug report is a pain22:26
bhueyanybody ?22:26

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