Red Hat Bugzilla – Bug 204281
rmmod cifs leads to kernel panic
Last modified: 2007-11-16 20:14:53 EST
Description of problem:
When mounting and then unmounting a CIFS file system, and subsequently quickly
issuing 'rmmod cifs' - the system will hang solid after a few seconds.
Version-Release number of selected component (if applicable):
RHEL4.4, kernel 2.6.9-42, samba 3.0.10-1.4E.9
Very, can reproduce it at will.
Steps to Reproduce:
1. Configure samba and a share
2. mount said share (mount -t cifs //localhost/share /mnt/share)
3. umount /mnt/share
4. rmmod cifs
Total system hang after a few seconds
System working normally
Attaching screen capture of crash
Created attachment 135028 [details]
Screen dump of panic
committed in stream U5 build 42.10. A test kernel with this patch is available
This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux maintenance release. Product Management has requested
further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products. This request is not yet committed for inclusion in an Update
QE ack for RHEL4.5.
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on the solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.