WARNING: at /build/buildd/linux-2.6.31/net/sched/sch_generic.c:246 dev_watchdog+0x1f6/0x210()

[muffinito]

Left computer overnight. Came back next day and kernel crashed.
This have been going on once in a while on Karmic, Jaunty was ok.

ProblemType: KernelOops
Annotation: Your system might become unstable now and might need to be restarted.
AplayDevices:
 **** List of PLAYBACK Hardware Devices ****
 card 0: SI7012 [SiS SI7012], device 0: Intel ICH [SiS SI7012]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
Architecture: i386
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: javier 23314 F.... pulseaudio
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
Card0.Amixer.info:
 Card hw:0 'SI7012'/'SiS SI7012 with AD1980 at irq 18'
   Mixer name : 'Analog Devices AD1980'
   Components : 'AC97a:41445370'
   Controls : 46
   Simple ctrls : 32
Date: Thu Oct 29 04:00:21 2009
DistroRelease: Ubuntu 9.10
Failure: oops
HibernationDevice: RESUME=/dev/sda6
IwConfig:
 lo no wireless extensions.

 eth1 no wireless extensions.

 vboxnet0 no wireless extensions.
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 003 Device 003: ID 0a81:0101 Chesen Electronics Corp. Keyboard
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: System Manufacturer System Name
NonfreeKernelModules: nvidia
Package: linux-image-2.6.31-14-generic 2.6.31-14.48
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: root=UUID=82414573-b6c7-4f52-953b-2c360589ff7c ro splash vga=792 quiet crashkernel=384M-2G:64M,2G-:128M
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
RelatedPackageVersions:
 linux-backports-modules-2.6.31-14-generic N/A
 linux-firmware 1.24
RfKill:

SourcePackage: linux
Tags: kernel-oops
Title: WARNING: at /build/buildd/linux-2.6.31/net/sched/sch_generic.c:246 dev_watchdog+0x1f6/0x210()
Uname: Linux 2.6.31-14-generic i686
WifiSyslog:
 Oct 29 10:32:32 tron dhclient: DHCPREQUEST of 192.168.1.131 on eth1 to 192.168.1.1 port 67
 Oct 29 10:32:32 tron dhclient: DHCPACK of 192.168.1.131 from 192.168.1.1
 Oct 29 10:32:33 tron dhclient: bound to 192.168.1.131 -- renewal in 36408 seconds.
 Oct 29 12:50:36 tron dhclient: Discarding packet with bogus hlen.
 Oct 29 12:51:04 tron dhclient: Discarding packet with bogus hlen.
WpaSupplicantLog:

dmi.bios.date: 12/23/2003
dmi.bios.vendor: Award Software, Inc.
dmi.bios.version: ASUS P4S533-MX ACPI BIOS Revision 1007 Beta 002
dmi.board.name: P4S533MX
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: REV 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 7
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAwardSoftware,Inc.:bvrASUSP4S533-MXACPIBIOSRevision1007Beta002:bd12/23/2003:svnSystemManufacturer:pnSystemName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP4S533MX:rvrREV1.xx:cvnChassisManufacture:ct7:cvrChassisVersion:
dmi.product.name: System Name
dmi.product.version: System Version
dmi.sys.vendor: System Manufacturer