Bug 703213

Summary: GFS2: Add "dlm callback owed" glock flag
Product: Red Hat Enterprise Linux 5 Reporter: Robert Peterson <rpeterso>
Component: kernelAssignee: Robert Peterson <rpeterso>
Status: CLOSED ERRATA QA Contact: Cluster QE <mspqa-list>
Severity: low Docs Contact:
Priority: medium    
Version: 5.7CC: adas, anprice, bmarzins, cye, rpeterso, swhiteho
Target Milestone: rcKeywords: FutureFeature
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
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Fixed In Version: Doc Type: Enhancement
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Last Closed: 2011-07-21 10:22:08 UTC Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description Flags
Initial patch none

Description Robert Peterson 2011-05-09 16:47:41 UTC 
Description of problem:
In the past, GFS2 has had a history of glock locking problems.
Most of these problems have been due to GFS2 bugs, but in order
to debug these issues, it's important for us to determine
whether or not GFS2 has received its callback from the lock
manager, DLM.  For RHEL6 and upstream, we have GFS2 trace
points we can use to determine whether we received the callback.
Since the RHEL5 kernel has no infrastructure for trace points,
we need a flag in the glock dump to tell us.

Version-Release number of selected component (if applicable):
RHEL5

How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info:
The need for the new flag was established as part of bug #694669
Comment 1 RHEL Program Management 2011-05-09 16:49:38 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 2 Robert Peterson 2011-05-09 16:50:25 UTC 
Created attachment 497865 [details]
Initial patch
Comment 3 Robert Peterson 2011-05-10 16:42:34 UTC 
I posted the final patch to rhkernel-list for inclusion into 5.7.
Changing status to POST.
Comment 5 Jarod Wilson 2011-05-13 22:22:10 UTC 
Patch(es) available in kernel-2.6.18-261.el5
You can download this test kernel (or newer) from http://people.redhat.com/jwilson/el5
Detailed testing feedback is always welcomed.
Comment 8 Nate Straz 2011-06-01 13:34:00 UTC 
Confirmed patch is in -264.el5.
Comment 9 errata-xmlrpc 2011-07-21 10:22:08 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 therefore 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-2011-1065.html