Bug 173206 - kernel dm snapshot: bio_list_merge fix
Summary: kernel dm snapshot: bio_list_merge fix
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: kernel
Version: 4.0
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
: ---
Assignee: Alasdair Kergon
QA Contact: Brian Brock
URL:
Whiteboard:
Depends On:
Blocks: 168429
TreeView+ depends on / blocked
 
Reported: 2005-11-14 23:03 UTC by Alasdair Kergon
Modified: 2007-11-30 22:07 UTC (History)
1 user (show)

Fixed In Version: RHSA-2006-0132
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2006-03-07 20:47:42 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2005:808 0 normal SHIPPED_LIVE Important: kernel security update 2005-10-27 04:00:00 UTC
Red Hat Product Errata RHSA-2006:0132 0 qe-ready SHIPPED_LIVE Moderate: Updated kernel packages available for Red Hat Enterprise Linux 4 Update 3 2006-03-09 16:31:00 UTC

Description Alasdair Kergon 2005-11-14 23:03:59 UTC 
Deadlocking, due to the fact that the origin_bios list
was NULL on all of the exceptions.

 [<00000000002958d8>] __flush_bios+0xcc/0x144
 [<0000000000296032>] pending_complete+0xaa/0x2ec
 [<00000000002974da>] persistent_commit+0x1b2/0x1d0
 [<00000000002942f8>] run_complete_job+0x48/0x58
 [<00000000002946e2>] process_jobs+0x22/0x13c
 [<000000000029481c>] do_work+0x20/0x48
 [<000000000012a188>] worker_thread+0x178/0x228
 [<000000000012f732>] kthread+0x122/0x128
 [<0000000000104f8a>] kernel_thread_starter+0x6/0xc
 [<0000000000104f84>] kernel_thread_starter+0x0/0xc
Comment 1 Alasdair Kergon 2005-11-15 17:27:38 UTC 
dm-snapshot-bio_list-fix.patch
Comment 6 Red Hat Bugzilla 2006-03-07 20:47:42 UTC 
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.

http://rhn.redhat.com/errata/RHSA-2006-0132.html
Note You need to log in before you can comment on or make changes to this bug.