Bug 670807

Summary:	e1000 driver tracebacks when running under VMware ESX4 [rhel-5.6.z]
Product:	Red Hat Enterprise Linux 5	Reporter:	RHEL Program Management <pm-rhel>
Component:	kernel	Assignee:	Jiri Pirko <jpirko>
Status:	CLOSED ERRATA	QA Contact:	Red Hat Kernel QE team <kernel-qe>
Severity:	urgent	Docs Contact:
Priority:	urgent
Version:	5.5	CC:	agospoda, anton, anupamc, bhavesh, cward, cww, ddugger, dhoward, dnelson, hdmih, jeder, jesse.brandeburg, jpirko, kzhang, liko, peterm, pm-eus, raud, rkhan, rsuresh, sybase57, tushar.n.dave, yugzhang
Target Milestone:	rc	Keywords:	OtherQA, ZStream
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:	kernel-2.6.18-238.3.1.el5	Doc Type:	Bug Fix
Doc Text:	While bringing down an interface, the e1000 driver failed to properly handle IRQs (Interrupt Requests), resulting in the reception of the following messages: irq NN: nobody cared... With this update, the driver's down flag is set later in the process of bringing down an interface, specifically, after all timers have exited, preventing the IRQ handler from being called and exiting early without handling the IRQ.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2011-03-01 20:29:52 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:	651512
Bug Blocks:

Description RHEL Program Management 2011-01-19 12:59:20 UTC

This bug has been copied from bug #651512 and has been proposed
to be backported to 5.6 z-stream (EUS).

Comment 10 Jiri Pirko 2011-01-26 07:38:18 UTC

in kernel-2.6.18-238.3.1.el5

linux-2.6-net-e1000-avoid-unhandled-irq.patch
linux-2.6-net-e1000-fix-screaming-irq.patch

Comment 19 errata-xmlrpc 2011-03-01 20:29:52 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-2011-0303.html

Comment 20 Martin Prpič 2011-07-13 20:18:09 UTC

    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
While bringing down an interface, the e1000 driver failed to properly handle IRQs (Interrupt Requests), resulting in the reception of the following messages:

    irq NN: nobody cared...

With this update, the driver's down flag is set later in the process of bringing down an interface, specifically, after all timers have exited, preventing the IRQ handler from being called and exiting early without handling the IRQ.