kernel BUG at /build/buildd/linux-2.6.32/drivers/char/tty_ldisc.c:707!; EIP is at tty_ldisc_reint+0x43/0x50
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Incomplete
|
Undecided
|
Unassigned |
Bug Description
Steps to reproduce:
1) rfcomm connect 0 <mac>
In this case, we are connecting to a LEGO Mindstorms NXT brick.
2) Turn off brick.
3) After a few seconds, the system freezes.
I did this again in the text terminal and took a picture of the output, will attach separately.
This did not happen with the stock intrepid kernel (2.6.28-
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: linux-image-
Regression: Yes
Reproducible: Yes
ProcVersionSign
Uname: Linux 2.6.32-25-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
AplayDevices: Error: [Errno 2] No such file or directory
Architecture: i386
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info: Error: [Errno 2] No such file or directory
Card0.Amixer.
Date: Thu Oct 21 19:17:44 2010
IwConfig: Error: [Errno 2] No such file or directory
MachineType: Dell Inc OptiPlex 740
ProcCmdLine: BOOT_IMAGE=
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
RelatedPackageV
RfKill: Error: [Errno 2] No such file or directory
SourcePackage: linux
dmi.bios.date: 03/17/2007
dmi.bios.vendor: Dell Inc
dmi.bios.version: 1.1.3
dmi.board.name: 0UT225
dmi.board.vendor: Dell Inc
dmi.board.version: A02
dmi.chassis.type: 3
dmi.chassis.vendor: Dell Inc
dmi.modalias: dmi:bvnDellInc:
dmi.product.name: OptiPlex 740
dmi.sys.vendor: Dell Inc
Changed in linux (Ubuntu): | |
status: | New → Confirmed |
I should add that the rfcomm module may have a different timestamp because I moved it to rfcomm.ko.orig and back again, since before posting this I tried a patch from the kernel bugtracker to see if it resolves the problem; however, it doesn't.