Bug 673532

Summary:	sfc: the rss_cpus module parameter is ignored
Product:	Red Hat Enterprise Linux 6	Reporter:	Michal Schmidt <mschmidt>
Component:	kernel	Assignee:	Michal Schmidt <mschmidt>
Status:	CLOSED ERRATA	QA Contact:	Dayong Tian <dtian>
Severity:	medium	Docs Contact:
Priority:	medium
Version:	6.1	CC:	mzywusko
Target Milestone:	rc
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	kernel-2.6.32-112.el6	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2011-05-23 20:39:05 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:

Description Michal Schmidt 2011-01-28 15:45:45 UTC

https://bugzilla.redhat.com/show_bug.cgi?id=556563 updated the sfc driver. It caused a regression: The "rss_cpus" module parameter has no effect anymore.

Upstream fix:
sfc: Restore the effect of the rss_cpus module parameter
http://git.kernel.org/?p=linux/kernel/git/bwh/sfc-2.6.git;a=commit;h=5b874e25c5c84bc45fc205407286fbe4744f4776

Comment 1 RHEL Program Management 2011-01-28 15:50:37 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 3 Michal Schmidt 2011-02-01 15:04:32 UTC

note for QA: "cat /proc/interrupts" to see that the parameter influences the number of queues used by the NIC.

Comment 4 Aristeu Rozanski 2011-02-03 19:06:46 UTC

Patch(es) available on kernel-2.6.32-112.el6

Comment 9 errata-xmlrpc 2011-05-23 20:39:05 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-2011-0542.html