/srv/irclogs.ubuntu.com/2012/12/11/#ubuntu-kernel.txt

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* ppisati goes out for lunch12:11
BenCrtg: is 6.14 ready for me to rebase against?12:39
rtgBenC, still build testing. gimme an hour or so.12:42
BenCrtg: Ok, thanks12:42
rtgI've only pushed master-next so far12:42
* BenC is glad he isn't the only one awake this early12:43
BenCRight, that's why I was asking, since I didn't see it in master12:43
rtgIts nice to get done by 1P so I can still get a bit of sunshine12:43
BenCrtg: How early does the sun set in your neck of the woods?12:46
rtgBenC, it was getting pretty dark by 5 when I got home last night. kinda depends on the cloud cover.12:47
BenCGet's dark 6 here. Honestly, the only reason I'm up this early is because my fiancé started work at 7am and I wake up with her.12:51
BenCOtherwise, you wouldn't see me till noonish12:51
rtgBenC, slacker :)12:54
BenCrtg: It's hard to live the stereotypical programmer life of late night sessions and still be a responsible adult and wake up early :)12:55
rtgindeed12:55
* cking --> lunch12:57
rtgBenC, pushed raring master12:59
rtghaven't built armhf yet, but it ought to be OK13:00
rtgogasawara, sforshee: need to reboot gomeisa when its quiet13:02
sforsheertg, I'm done with gomeisa13:15
rtgsforshee, ogasawara has some stuff running so gotta wait for her13:16
BenCapw, rtg: If any of you guys need remote access to my ppc box, let me know and I'll add an account using your launchpad ssh key13:22
apwBenC, would love access indeed13:22
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* henrix -> lunch13:49
rtgherton, is shank-bot gonna work on raring, i.e., will it emit the upload email or should I annoy ogasawara to send out her finely crafted missive ?13:59
hertonrtg, yes, on my todo list14:00
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hertonrtg, for now you should send manually14:00
rtgherton, hmm, well I've just upload raring, so I guess I'll have to annoy ogasawara once again. *sigh*14:00
herton(that is, annoy her :) )14:01
ogasawarartg: ack, I'll send it out14:01
rtgogasawara, oh, I didn't know you were listening :)14:01
ogasawarartg: did you go ahead and bounce gomeisa?  I've not got anything important running so feel free if you haven't already.14:03
rtgogasawara, I have not yet. you appeared to have some processes hung14:03
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* rtg -> vehicle maintenance. back in a bit.15:39
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* ogasawara back in 2015:45
jsalisbury**15:52
jsalisbury** Ubuntu Kernel Team Meeting - Today @ 17:00 UTC - #ubuntu-meeting15:52
jsalisbury**15:52
bjfbrendand, thanks for the help yesterday. having access to that HW really helped.16:05
brendandbjf, any time16:05
argesrtg, hi16:37
argesrtg, fyi dave is in the same room as me, so I can hear you16:37
argesrtg, my pulse is screwed in raring16:37
ogasawarahaha16:37
rtgarges, he hasn't said much. does he have a second instance ?16:37
argesrtg, his audio input doesn't work16:37
argeshear no evil so no evil16:37
argessee16:37
rtgarges, he's missing all of our good natured ribbing16:38
apwchiluk, welcome16:44
chilukthanks guys.16:46
argesbjf, hey where is that nifty wiki page with the SRU schedules ... I seem to have misplaced that bookmark17:12
bjfarges, one sec17:12
bjfarges: https://wiki.ubuntu.com/RaringRingtail/ReleaseInterlock17:12
argesbjf, thanks17:13
=== jsalisbury changed the topic of #ubuntu-kernel to: Home: https://wiki.ubuntu.com/Kernel/ || Ubuntu Kernel Team Meeting - Tues January 8th, 2013 - 17:00 UTC || If you have a question just ask, and do wait around for an answer!
hggdhwhy isn't /var/log/syslog saved when we run 'ubuntu-bug linux'? I have noticed again and again that the oops/bug/error/warning is not always listed in dmesg17:23
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hertonhggdh, depending on the crash, syslog daemon may be unable to write/sync to the disk, eg. hard freeze etc., it depends17:57
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hggdhherton: in this specific case (bug 1089016) the system is still alive. I got the warning off the syslog; current dmesg is empty17:59
ubot2`Launchpad bug 1089016 in linux (Ubuntu) "WARNING: at /build/buildd/linux-3.5.0/fs/btrfs/super.c:221 __btrfs_abort_transaction+0x99/0xb0 [btrfs]()" [Undecided,Confirmed] https://launchpad.net/bugs/108901617:59
hertonhggdh, the system can still be alive yes, but if the file system module crashes, and /var/log/* is under that file system, it'll be unable to write. You can also have another types of crashes, like some deadlock in some write/sync operation, where the system will be alive but no data written because of the nature of the crash.18:02
hggdhherton: I understand all that. But the syslog was still written to in this case; running 'ubuntu-bug' succeeded, logging in succeeds, etc. But current dmesg is empty. The question still stands: why isnt syslog saved?18:07
hertonhggdh, dmesg is cleared by autotest btw, I think that is what you experienced18:07
hggdhherton: which then causes a perfectly good bug not to have all necessary data -- in this case, the kernel error itself...18:08
hertonhggdh, I think autotest does that so it can detect errors between tests, not sure since I didn't poked very much on its code. Anyway, if you can grab the crash from syslog or from autotest and post on the bug, I don't think it's a big issue.18:10
* hggdh gives up18:11
rtgapw, what was that package you uploaded this morning where you had to futz with the symbols ?18:29
* henrix -> EOD18:52
* rtg -> lunch19:01
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apwrtg, librostlab-blast20:47
apwrtg, i put together some dodgy scripting to do that one20:47
jsalisburyrtg, ogasawara should linux-tools be included for the backport kernel ?  bug 108845420:57
ubot2`Launchpad bug 1088454 in linux (Ubuntu) "linux-generic-lts-quantal is missing linux-tools" [Medium,Confirmed] https://launchpad.net/bugs/108845420:57
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rtgapw, I eventually figured out that it was dpkg-gensymbols. the patch management for libpgf utterly defeated me, so I just hacked in the diff and uploaded it, then sent the patch to the maintainer.21:03
rtgjsalisbury, it likely should be, albeit under a different source package name.21:06
rtgjsalisbury, oh never mind, linux-tools is a binary generated from the kernel source package.21:06
rtgin short, yes, I think we can produce a linux-tools binary. I'll work on it friday.21:07
jsalisburyrtg, thanks!21:08
* rtg -> EOD21:09
hggdhjsalisbury: just a heads up, bug 108911421:16
ubot2`Launchpad bug 1089114 in linux (Ubuntu) " general protection fault: 0000 [#1] SMP on wl_cfg80211_scan+0x43/0x380 [wl] " [Undecided,New] https://launchpad.net/bugs/108911421:16
jsalisburyhggdh, Do you have to blacklist those modules if you boot into the prior kernel?  It the prior kernel does'nt have this bug, we can perform a bisect to find the commit that introduced the regression.21:18
hggdhjsalisbury: I tried booting in the prior, and strangely got hit the same21:22
hggdhjsalisbury: mind you, I was running 3.7.0-5 until the update this morning21:23
hggdhwith wireless...21:23
jsalisburyhggdh, hmm, that would make it a little difficult to bisect.  I can post some kernels to test in the bug.  We may need to test some of the 3.7 release candidates.  21:24
jsalisburyhggdh, there could also be something in userspace, but we can narrow that down by testing some of the earlier kernels.21:25
hggdhjsalisbury: no prob -- I will reboot on previous kernels, and try21:25
jsalisburyhggdh, thanks.  I'll post some links to the bug.21:25
hggdhjsalisbury: ack21:26
hggdhjsalisbury: the boot on 3.7.0-5 is also shown in the syslog I attached21:28
jsalisburyhggdh, ok, thanks21:29
hggdhjsalisbury: while installing the rc7 kernel, I got this: update-initramfs: Generating /boot/initrd.img-3.7.0-030700rc7-generic21:58
hggdhmodprobe: ../tools/modprobe.c:550: print_action: Assertion `kmod_module_get_initstate(m) == KMOD_MODULE_BUILTIN' failed.21:58
hggdhAborted (core dumped)21:58
hggdhsamewise for rc621:58
hggdhactually, it goes back sometime22:01
jsalisburyhggdh, hmm, interesting.  That machine may need something provided by an Ubuntu SAUCE patch22:22
hggdhjsalisbury: yeah. Another laptop does not show this core dumped error22:37
jsalisburyhggdh, Just as another data point, maybe test the latest Quantal kernel on the machine exhibiting this bug?22:42
hggdhjsalisbury: right now I am running an update-initramfs -u -k all -v to see where I get the core dumped message. I think it is on all installed kernels22:43
jsalisburyhggdh, ok22:43
hggdhjsalisbury: all kernels on this machine, going back to 3.4.19 show the 'core dumped' error22:46
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