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Bug 580199

Summary: xen: clear ioapic registers on boot [rhel-5.5.z]
Product: Red Hat Enterprise Linux 5 Reporter: RHEL Program Management <pm-rhel>
Component: kernel-xenAssignee: Jiri Pirko <jpirko>
Status: CLOSED ERRATA QA Contact: Red Hat Kernel QE team <kernel-qe>
Severity: urgent Docs Contact:
Priority: urgent    
Version: 5.4CC: adaora.onyia, alex_williamson, aron.griffis, bzeranski, ddugger, dexuan.cui, dhoward, jane.lv, jvillalo, jwest, luyu, martine.silbermann, mjenner, pbonzini, pm-eus, qwan, rick.hester, rkhan, rpacheco, xen-maint
Target Milestone: rcKeywords: ZStream
Target Release: ---   
Hardware: x86_64   
OS: Linux   
URL: http://xenbits.xensource.com/xen-unstable.hg?rev/b543acc1aaad
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2010-05-06 18:49:50 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: 548201    
Bug Blocks:    
Attachments:
Description Flags
bug log none

Description RHEL Program Management 2010-04-07 17:23:40 UTC 
This bug has been copied from bug #548201 and has been proposed
to be backported to 5.5 z-stream (EUS).
Comment 4 Jiri Pirko 2010-04-13 20:54:46 UTC 
in 2.6.18-194.1.1.el5
Comment 7 Qixiang Wan 2010-04-29 09:57:50 UTC 
this bug can be reproduced easily on HP ML150G6 system with kernel-xen-2.6.18-194.el5 just by soft reboot it, iommu is enabled, will attach the serial console output later.
---
title Red Hat Enterprise Linux Server (2.6.18-194.el5xen)
        root (hd0,0)
        kernel /xen.gz-2.6.18-194.el5 iommu=on
        module /vmlinuz-2.6.18-194.el5xen ro root=/dev/VolGroup00/LogVol01 pci_pt_e820_access=on
        module /initrd-2.6.18-194.el5xen.img
---

Verified on RHEL5 Server x86_64 and i386 with kernel-xen-2.6.18-194.2.1.el5.
soft reboot the system over 180 times, no problem found.

Change status to VERIFIED.
Comment 8 Qixiang Wan 2010-04-29 09:58:39 UTC 
Created attachment 410057 [details]
bug log
Comment 10 errata-xmlrpc 2010-05-06 18:49:50 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-2010-0398.html