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Bug 716520 - cfq-iosched: CFQ can get GPF at cfq_free_io_context()
Summary: cfq-iosched: CFQ can get GPF at cfq_free_io_context()
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: kernel
Version: 6.2
Hardware: All
OS: Linux
medium
medium
Target Milestone: rc
: ---
Assignee: Vivek Goyal
QA Contact: Red Hat Kernel QE team
URL:
Whiteboard:
: 529021 (view as bug list)
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2011-06-24 18:32 UTC by Vivek Goyal
Modified: 2011-12-06 13:43 UTC (History)
4 users (show)

Fixed In Version: kernel-2.6.32-165.el6
Doc Type: Bug Fix
Doc Text:
Clone Of: 577968
Environment:
Last Closed: 2011-12-06 13:43:26 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
Comment (123.46 KB, text/plain)
2011-06-24 18:32 UTC, Vivek Goyal 		no flags Details
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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2011:1530 0 normal SHIPPED_LIVE Moderate: Red Hat Enterprise Linux 6 kernel security, bug fix and enhancement update 2011-12-06 01:45:35 UTC

Description Vivek Goyal 2011-06-24 18:32:40 UTC 
Created attachment 915342 [details]
Comment

(This comment was longer than 65,535 characters and has been moved to an attachment by Red Hat Bugzilla).
Comment 1 Vivek Goyal 2011-06-24 18:37:14 UTC 
This was a long standing issue in CFQ in fedora as well as rhel6. Now fix has been committed in linus's tree. backport it.
Comment 3 RHEL Program Management 2011-06-28 21:39:57 UTC 
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 release.
Comment 4 Jeff Moyer 2011-06-29 15:14:48 UTC 
*** Bug 529021 has been marked as a duplicate of this bug. ***
Comment 6 Aristeu Rozanski 2011-07-08 21:58:29 UTC 
Patch(es) available on kernel-2.6.32-165.el6
Comment 9 Michal Jaegermann 2011-07-30 22:14:03 UTC 
(In reply to comment #6)
> Patch(es) available on kernel-2.6.32-165.el6
Not directly affecting that but see also 
https://bugzilla.redhat.com/show_bug.cgi?id=577968#c130
Comment 10 Mike Gahagan 2011-10-03 17:48:27 UTC 
After running syscall fuzzers numerous times and other testing, we have not been able to reproduce this bug in any recent 6.2 kernel, additionally it's been confirmed that the patch needed to fix this is present in the -201 kernel.
Comment 11 errata-xmlrpc 2011-12-06 13:43:26 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHSA-2011-1530.html
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