This version is no longer supported. If this is still reproducible on a
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** Changed in: linux (Ubuntu)
Status: Incomplete => Won't Fix
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https://bugs.launchpad.net/bugs/657513
Title:
Kernel Oops - BUG: unable to handle kernel NULL pointer dereference at
00000038; EIP is at sock_sendmsg+0xd6/0x100
Status in linux package in Ubuntu:
Won't Fix
Bug description:
Using wvdial yields a kernel NULL pointer dereference. This is after
a hangup event and a subsequent redial attempt by wvdial. The
initialization of the link includes using hciconfig, hcitool and
rfcomm commands to reset hci0, show, connect and bind /dev/rfcomm0 and
hard linking to /dev/rfcomm0 /dev/modem. The rfcomm device is a Palm
Treo 650 via Bluetooth serving out Dialup Networking.
This is reproducible.
Also note that the wvdial command will also block and will not die via a kill
-9.
Just a guess but strace -f -p of the processes seems to indicate a problem
closing the rfcomm link. I think it was something to do with "dlc"...
Attached find a shar archive of the crash report, and requested log
files.
Note:
The directions at the Bug submission page:
are difficult to follow, and perhaps due for an update :-(
1. The suggested command "ubuntu-bug -p linux" yields "Warning: The options
-p/-P are deprecated, please do not use them. See /usr/bin/ubuntu-bug --help"
2. The alternate submission method asks "include the output of the following
commands executed in a terminal as separate attachments in your bug report" and
attachment mechanism is buried under "Extra options" and allows only a single
file to be attached :-(
Thanks,
Chris Lent
[email protected]
ProblemType: KernelOops
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-22-generic 2.6.35-22.33
Regression: Yes
Reproducible: Yes
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Annotation: Your system might become unstable now and might need to be
restarted.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
Architecture: i386
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC269 Analog [ALC269 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: lent 1440 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf7db8000 irq 45'
Mixer name : 'Realtek ALC269'
Components : 'HDA:10ec0269,104383ce,00100004'
Controls : 10
Simple ctrls : 6
Date: Fri Oct 8 16:05:12 2010
Failure: oops
HibernationDevice: RESUME=UUID=e3ad96b2-c0a8-4433-8d04-50d2e3c967b4
InstallationMedia: Ubuntu-Netbook-Remix 9.10 "Karmic Koala" - Release i386
(20091028.4)
MachineType: ASUSTeK Computer INC. 1005HA
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-22-generic
root=UUID=cf74d3f3-d8d8-4c5c-b59d-b6be12838571 ro
RelatedPackageVersions: linux-firmware 1.38
SourcePackage: linux
Title: BUG: unable to handle kernel NULL pointer dereference at 00000038
dmi.bios.date: 02/26/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1401
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: 1005HA
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: x.xx
dmi.chassis.asset.tag: 0x00000000
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer INC.
dmi.chassis.version: x.x
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1401:bd02/26/2010:svnASUSTeKComputerINC.:pn1005HA:pvrx.x:rvnASUSTeKComputerINC.:rn1005HA:rvrx.xx:cvnASUSTeKComputerINC.:ct10:cvrx.x:
dmi.product.name: 1005HA
dmi.product.version: x.x
dmi.sys.vendor: ASUSTeK Computer INC.
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