/srv/irclogs.ubuntu.com/2010/03/22/#ubuntu-kernel.txt

salty-horseusing iotop on lucid I get: "CONFIG_TASK_DELAY_ACCT not enabled in kernel, cannot determine SWAPIN and IO %" -- was the flag removed recently?00:05
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salty-horsefound it in here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/49315600:25
ubot3Malone bug 493156 in linux "Please enable CONFIG_TASK_DELAY_ACCT" [Wishlist,Won't fix] 00:25
salty-horsehi BenC00:35
geoff918Can anyone answer this question?:  http://ubuntuforums.org/showthread.php?p=9006250&posted=1#post900625000:43
mtx_initwhat is the symbol table device names are encoded in?  im a bit confused.01:08
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psurbhichrisccoulson, ping10:03
chrisccoulsonpsurbhi, hi10:03
psurbhii am looking at the bug 539467 on LP10:03
ubot3Malone bug 539467 in linux "Frequent ATA errors and disk corruption" [Undecided,Triaged] https://launchpad.net/bugs/53946710:03
psurbhihad a questione10:03
psurbhi* question10:03
psurbhi..10:03
psurbhithe description you have posted seems to be a part of a dmesg10:04
chrisccoulsonit is10:04
psurbhido you have that dmesg?10:04
psurbhicontaining the error messages?10:04
chrisccoulsonnot the whole dmesg, i only copied the section with the errors from it10:04
chrisccoulsonunfortunately, it doesn't save to disk ;)10:04
psurbhiaaha10:04
psurbhisure.. !10:05
chrisccoulsonso i just pastebin'd the errors before rebooting10:05
chrisccoulsoni can grab the whole dmseg when it happens again though10:05
psurbhiya.. cool.. can you get more than the error messages too? just to know something that happens before it10:05
chrisccoulsonyeah, no problem10:06
psurbhiya..that will be very helpful :) so i will comment as such on the bug as of now, ok :)10:06
chrisccoulsonthanks10:06
psurbhichrisccoulson, also one more question10:07
psurbhiyou did not see this bug before 2.6.32.16? which means 2.6.32-15 worked fine for you?10:08
chrisccoulsonpsurbhi, i'm not too sure. the laptop is quite new, but i started seeing it as soon as i upgraded to lucid10:09
psurbhiok10:09
psurbhithanks!10:09
chrisccoulsonpsurbhi, the first lucid kernel i ran on this was 2.6.32-1010:10
chrisccoulson(i've still got them all on here)10:10
psurbhicool..so did that work? or did that too give you the errors?10:10
chrisccoulsonIIRC, that gave the errors too10:11
chrisccoulsoni can try that again later though10:11
psurbhiok..thats helpful10:11
psurbhigreat10:11
JFoKeybuk, who all does the nouveau development? I'd like to get someone to look over bug 539655 if possible. Unless you are still thinking it is an X issue even with Stefan's logs12:28
ubot3Malone bug 539655 in linux "nouveau hard lockup in nouveau_gem_ioctl_cpu_fini" [Medium,Triaged] https://launchpad.net/bugs/53965512:28
KeybukJFo: #nouveau is a good place to start12:29
Keybukas I said, I think it's probably a nouveau issue12:29
JFok12:30
JFoanone in particular I should ping? :)12:30
JFoerr anyone*12:30
JFonm12:30
JFo<-brain is slow this morning12:31
JFothanks Keybuk 12:31
KeybukJFo: you has a reply already12:49
JFoyep :)12:50
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Kanohi apw , why was 13:56
Kanohttp://kernel.ubuntu.com/git?p=ubuntu/ubuntu-lucid.git;a=commitdiff;h=99380e40c725fbb737e1fbf30c9c54e4c628545513:56
Kanodone?13:56
Kanoalso the description is somehow wrong, woulnt it be RE-modularise SATA disk controllers13:56
amitkinteresting, my headphones are plugged in and the sound is coming out of my speakers14:42
JFonice14:43
JFoI wonder if that was what was happening to me earlier when you guys were getting the echo14:43
amitkworth checking out14:43
psusithere seems to be something very wrong with pipe()s... tar -cf - | dd of=/dev/null is more than an order of magnitude slower than tar -cf - > /dev/null.. having dd use a larger block size does not help, and the system is not cpu bound.14:51
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Sarvattsmb: do you actually have anything hooked up to the TV-1 on your geforce 6800?17:31
smbSarvatt, No, its just a single VGA connected17:35
smbSarvatt, Were would I see whether the driver thinks there is something connected?17:51
Sarvattin your dmesg there it's showing a load on TV-1, I was wondering because fedora is disabling tv-out http://cvs.fedoraproject.org/viewvc/F-12/kernel/drm-nouveau-tvout-disable.patch?view=markup17:57
smbSarvatt, Hm. tv-output stuff. Have I seen something lately...? Gosh, to many things passing by18:04
smbHm, this one on .33 stable... But it was for another system. "drm/i915: Use a dmi quirk to skip a broken SDVO TV output."18:07
quentusrexMy search has finally led me here.18:43
quentusrexhttps://bugs.launchpad.net/linux/+bug/34771118:43
ubot3Malone bug 347711 in linux "Realtek RTL8111/8168B PCI Express Gigabit Ethernet controller Unstable on Jaunty" [Unknown,In progress] 18:44
quentusrexCan someone help me debug a kernel network driver problem?18:44
quentusrexI have found the r8168 and the r8169 network drivers to be unstable under heavy load on my system and can reproduce the issue within 15 minutes. 18:45
quentusrexMy problem is I don't know what info is needed to truly track down the issue18:50
johanbrquentusrex, it's a known problem, with plenty of reports18:51
johanbrI don't think there's much you can do, apart from waiting for the kernel devs to solve it18:51
quentusrexalright, is there a 'main' ticket for it?18:51
johanbrhttps://bugs.launchpad.net/ubuntu/+source/linux/+bug/472057 might be the same issue18:52
ubot3Malone bug 472057 in linux "NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out" [Undecided,Confirmed] 18:52
johanbrmaybe one of them should be marked as duplicate of the other18:53
quentusrexjohanbr, I've been trying to find an upstream report18:55
quentusrexI have found things that sound similiar, but not exact.18:56
johanbrhttp://bugzilla.kernel.org/show_bug.cgi?id=12411 ?18:56
ubot3bugzilla.kernel.org bug 12411 in Network "2.6.28: BUG in r8169" [Normal,Assigned] 18:56
quentusrexjohanbr, does this look the same: http://paste.ubuntu.com/399465/18:59
quentusrexit does to me, but I'm not familiar with kernel call traces18:59
quentusrexthat is the output as soon as the network connection fails19:00
johanbrdoesn't look exactly the same19:01
johanbrbut having some of the earlier output would help19:02
johanbri.e, before line 119:02
quentusrexjust above that was the end of the last networking crash19:03
quentusrexI'm going to reboot the server and copy the whole syslog output19:03
quentusrexand, how do I remove the r8168 driver and put the r8169 back into service?19:04
quentusrexjust: rmmod r8168; modprobe r8169 19:04
quentusrex?19:04
johanbrquentusrex, yep19:08
quentusrexjohanbr, how do I tell which driver is actually being used for a network interface?19:21
johanbrI guess lsmod should tell you19:22
quentusrexit says 0 for the in use by column19:22
johanbror "dmesg |tail" just after loading, to see if it actually binds to the interface19:22
quentusrexlshw just said it.19:23
quentusrexis that reliable for this?19:23
johanbrshould be19:27
mwhudsonhi20:16
mwhudsoni'm still being affected by this bug in lucid: https://bugs.edge.launchpad.net/ubuntu/+source/linux/+bug/37759820:17
ubot3Malone bug 377598 in linux "[i945gm] Video corruption when disabling internal monitor" [High,Confirmed] 20:17
mwhudsonand i'm wondering if i should be surprised by this or not20:17
mwhudsonthe linked freedesktop.org bug suggests it was fixed in the kernel a fair while ago20:18
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cndanyone know if there's an interface for karmic-proposed like packages.ubuntu.com?21:01
cndactually, I'll ask at #ubuntu-devel21:01
quentusrexIs there a way to test newer ubuntu Karmic kernels? in such a way that can be rolled back?21:11
quentusrexI would like to test the newer kernels to see if the bug is fixed(on a karmic sandbox)21:11
quentusrexbut be able to remove the newer kernels if they all fail. So I can go back to stock kernel.21:11
tormodquentusrex, if you install a kernel with another version (not just the last ubuntu-version number) it will be installed side by side with the others and you can choose in the grub menu21:14
quentusrexthanks tormod is there a ppa for these?21:16
tormodquentusrex, which kernels are you looking for?21:19
quentusrexI am running Linux therabbit 2.6.31-20-server #58-Ubuntu SMP Fri Mar 12 05:40:05 UTC 2010 x86_64 GNU/Linux21:20
quentusrexI would like to test something more recent to see if the problem has been fixed.21:20
quentusrextormod, I have no issues running the 'latest' kernel to test it21:21
quentusrexor testing other kernels more recent than the stock one I am using now21:21
tormodquentusrex, for a start you can install the latest lucid kernel, just get it from the main repo21:22
tormodthen you can test later upstream kernels from the "kernel mainline ppa"21:23
quentusrextormod, is there an apt repo for mainline kernels?21:24
tormodhttps://wiki.ubuntu.com/KernelTeam/MainlineBuilds21:24
mrechi, is there anyone who can commit a patch to the lucid kernel?21:35
mrechttps://bugs.launchpad.net/ubuntu/+source/tvtime/+bug/54452721:36
ubot3Malone bug 544527 in tvtime "usbfs is bugged with >2.6.32.9 and <=2.6.33 (breaks VMWare, Qemu, sane scanners, ...)" [Undecided,New] 21:36
mrecI think I will set our devices to Bulk in order to work around that bug :/21:36
mrecthere are around 700 devices out there in the field which are affected by this bug21:37
quentusrextormod, that doesn't have an apt repo21:44
quentusrexso it won't allow for apt-get update; apt-get install X21:45
quentusrexI can install it from here, but I would prefer the other direction since I cache apt repos and I am able to test multiple machines this way.21:45
tormodquentusrex, no I am afraid the kernel-ppa is not a real PPA :)21:48
quentusrextormod, is there any talk about creating a real ppa for it?21:50
quentusrexI think it would help get kernel testing done :)21:50
tormodquentusrex, maybe you can use a script which sucks down from http://kernel.ubuntu.com/~kernel-ppa/mainline/daily/current/ ...21:52
quentusrexis there an upstream irc channel?21:53
dupondjehttps://bugs.launchpad.net/ubuntu/+source/linux/+bug/543314 => can somebody check this plz ? :)21:53
ubot3Malone bug 543314 in linux "Frequently used NIC (Marvell Technology Group Ltd. Device 4381) not supported" [Undecided,Confirmed] 21:53
quentusrex2.6.34-999 interesting... :)21:57
quentusrextormod, the mainline kernel doesn't have the kvm modules does it?22:01
tormodquentusrex, I don't know, but the config file should tell22:08
quentusrextormod, thanks for the help. It does, but it isn't compatible. In this case I can't just upgrade the kernel.22:10
quentusrextormod, is it recommended to test the realtek driver directly?22:15
tormodquentusrex, I don't know much about kvm etc22:16
quentusrextormod, I had a test environment setup that could crash it in a few minutes with a kvm torrent server running22:17
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