Bug 478638

Summary: kernel-2.6.18-92.1.22.el5 misses bug fix which has to be backported.
Product: Red Hat Enterprise Linux 5 Reporter: Igor M Podlesny <for.poige+redhat>
Component: kernelAssignee: Ivan Vecera <ivecera>
Status: CLOSED ERRATA QA Contact: Red Hat Kernel QE team <kernel-qe>
Severity: high Docs Contact:
Priority: urgent    
Version: 5.4CC: davem, dhoward, dzickus, emcnabb, jpirko, jplans, mgahagan, nhorman, tgraf
Target Milestone: rc   
Target Release: ---   
Hardware: All   
OS: Linux   
URL: http://bugzilla.openvz.org/show_bug.cgi?id=1134
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2009-09-02 08:06:59 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 483701, 485920    
Attachments:
Description Flags
Final patch sent to review none

Description Igor M Podlesny 2009-01-02 16:57:43 UTC
Description of problem: Kernel hangs suddenly.

Keywords:	tcp_lp_rtt_sample
		divide error: 0000

Additional info:

Usually I don't use RedHat's kernel directly, but OpenVZ's based on RHEL's. Please refer to mine bugreport to OpenVZ:

	http://bugzilla.openvz.org/show_bug.cgi?id=1134

Comment 1 Ivan Vecera 2009-01-13 15:36:40 UTC
The upstream commit URL:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=bfbea8a8869a0e21b97605841d04190d63665d19

I'm now building the testing kernel packages to test.

Comment 2 Ivan Vecera 2009-01-13 16:45:54 UTC
Promised kernel packages are available at:
http://people.redhat.com/ivecera/rhel-5-ivtest/

Could you please test them and report back results?

Comment 3 Igor M Podlesny 2009-01-13 23:12:00 UTC
> Could you please test them and report back results?

My bugreport to OpenVZ project contained patch, I had backported from mainstream by myself:

	http://bugzilla.openvz.org/attachment.cgi?id=867

Since the moment I had sent the patch to OpenVZ, I was using the patch (even a bit earlier, actually). The patch is trivial and it doesn't really require any complex testing, actually I was tested since 2.6.26 came out. OpenVZ's kernel I was using started at last working w/o hangs since I had applied it.

So, put the patch into new RedHat kernel's releases ASAP, don't waste time -- it's a nasty bug and your customers shouldn't have it for such a long time since it was fixed in mainstream.

Comment 4 Ivan Vecera 2009-01-14 12:52:16 UTC
OK, I treat it as successfully tested.

Comment 5 Ivan Vecera 2009-01-21 15:32:35 UTC
Created attachment 329615 [details]
Final patch sent to review

Comment 6 RHEL Program Management 2009-01-27 20:41:29 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 7 Don Zickus 2009-02-02 19:47:59 UTC
in kernel-2.6.18-130.el5
You can download this test kernel from http://people.redhat.com/dzickus/el5

Comment 8 RHEL Program Management 2009-02-16 15:04:24 UTC
Updating PM score.

Comment 12 errata-xmlrpc 2009-09-02 08:06:59 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-2009-1243.html