Linux Kernel created 1 000 000 lines in 3 minutes and continued logging

[Simon Schneider]

The Linux kernel created a 1.6 GB in 1 hour. One million lines were created in about 3 minutes and the kernel still continued logging. I attached a part of the log file.

My System:
Dell Latitude E6400
Intel Centrino P8600 (2,4 Ghz)
Intel Mobile Media Accelerator X4500HD
4096 MB Ram
Intel WiFi Link 5100

I'm using 2.6.27-7-generic from the Ubuntu 8.10 Intrepid Ibix repos. I have never compiled any mods nor the kernel or changed anything else.

ProblemType: Bug
Architecture: amd64
DistroRelease: Ubuntu 8.10
Package: linux-image-2.6.27-7-generic 2.6.27-7.16
ProcCmdLine: root=UUID=315d1f42-64b7-4463-a528-c2a7be029953 ro quiet splash
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=de_AT.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.27-7.16-generic
SourcePackage: linux

[Connor Imes (ckimes)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Unfortunately we can't fix it without more information.

I see you already have most of this due to the bug being filed with apport, but please include the following additional information, if you have not already done so (pay attention to lspci's additional options), as required by the Ubuntu Kernel Team:
1. Please include the output of the command "uname -a" in your next response. It should be one, long line of text which includes the exact kernel version you're running, as well as the CPU architecture.
2. Please run the command "dmesg > dmesg.log" after a fresh boot and attach the resulting file "dmesg.log" to this bug report.
3. Please run the command "sudo lspci -vvnn > lspci-vvnn.log" and attach the resulting file "lspci-vvnn.log" to this bug report.

For your reference, the full description of procedures for kernel-related bug reports is available at https://wiki.ubuntu.com/KernelTeamBugPolicies Thanks in advance!

[Simon Schneider (schneida-simon)]

1. Output of uname -a
Linux nb-schn-sim 2.6.27-7-generic #1 SMP Tue Nov 4 19:33:06 UTC 2008 x86_64 GNU/Linux

2. Attached dmesg.log
3. Attached lspci-vvn.log

[Connor Imes (ckimes)]

Thanks for reporting this bug and any supporting documentation. Since this bug has enough information provided for a developer to begin work, I'm going to mark it as Triaged and let them handle it from here.

Because of the massive volume of data being written to the hard drive, I am setting a High importance on this bug.

Thanks for taking the time to make Ubuntu better!

[Christoph Langner (chrissss)]

Different user on ubuntuusers.de report, that these lines

---
Dec 4 16:48:37 lenovo kernel: [ 3286.889061] bad: scheduling from the idle thread!
Dec 4 16:48:37 lenovo kernel: [ 3286.889064] Pid: 0, comm: swapper Tainted: P 2.6.27-9-generic #1
Dec 4 16:48:37 lenovo kernel: [ 3286.889066] [<c037c4b6>] ? printk+0x1d/0x1f
Dec 4 16:48:37 lenovo kernel: [ 3286.889070] [<c0122b8a>] dequeue_task_idle+0x2a/0x40
Dec 4 16:48:37 lenovo kernel: [ 3286.889073] [<c012107f>] dequeue_task+0xcf/0x130
Dec 4 16:48:37 lenovo kernel: [ 3286.889076] [<c012112a>] deactivate_task+0x1a/0x30
Dec 4 16:48:37 lenovo kernel: [ 3286.889080] [<c037cad3>] schedule+0x4b3/0x790
Dec 4 16:48:37 lenovo kernel: [ 3286.889083] [<c014d3bb>] ? sched_clock_tick+0x7b/0xb0
Dec 4 16:48:37 lenovo kernel: [ 3286.889087] [<c0153dcc>] ? tick_nohz_stop_idle+0x5c/0x70
Dec 4 16:48:37 lenovo kernel: [ 3286.889096] [<c0153e15>] ? tick_nohz_restart_sched_tick+0x35/0x180
Dec 4 16:48:37 lenovo kernel: [ 3286.889106] [<c01028cd>] cpu_idle+0xbd/0x140
Dec 4 16:48:37 lenovo kernel: [ 3286.889108] [<c036ee83>] rest_init+0x53/0x60
---

flood the logs.

[Chris Coulson (chrisccoulson)]

This looks like a duplicate of bug 286285. Please upgrade to kernel version 2.6.27-11 from intrepid-proposed [1] and try again. Please also remove any linux-backports-modules packages that you have installed, as they don't include the fix.

Thanks

[1] To enable intrepid-propsed, navigate to System -> Administration -> Software Sources, click on "Updates" tab and check "Proposed Updates". Note that this repository is for testing updates of packages before they are released to intrepid-updates, so you shouldn't upgrade everything from this repository unless you can handle occasional breakage. The kernel upgrade will be ok though.

[Colin Ian King (colin-king)]

This bug is a duplicate of bug 286285 and was fixed in linux-image-2.6.27-8-generic, commit 4b14e44c5dc36bc963e4d26ba15b7e8988d91619

http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-intrepid.git;a=commit;h=4b14e44c5dc36bc963e4d26ba15b7e8988d91619

Please reopen if this is still an issue in the current Ubuntu release, Jaunty Jackalope 9.04. To reopen the bug, click on the current status, under the Status column, and change the status back to "New". Thanks.