Bug 615925

Summary:	Gust crash sometimes with #UD exception when run on host without nested paging
Product:	Red Hat Enterprise Linux 6	Reporter:	Gleb Natapov <gleb>
Component:	kernel	Assignee:	Gleb Natapov <gleb>
Status:	CLOSED CURRENTRELEASE	QA Contact:	Virtualization Bugs <virt-bugs>
Severity:	medium	Docs Contact:
Priority:	low
Version:	6.0	CC:	knoel, michen, mjenner, tburke
Target Milestone:	rc
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:	2.6.32-52.el6	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2010-11-11 14:42:11 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 Gleb Natapov 2010-07-19 09:41:00 UTC

This problem is from https://bugzilla.redhat.com/show_bug.cgi?id=608613#c32

Description of problem:

Gust crash sometimes with #UD exception when run on host without nested paging

Comment 2 RHEL Program Management 2010-07-19 09:57:54 UTC

This issue has been proposed when we are only considering blocker
issues in the current Red Hat Enterprise Linux release. It has
been denied for the current Red Hat Enterprise Linux release.

** If you would still like this issue considered for the current
release, ask your support representative to file as a blocker on
your behalf. Otherwise ask that it be considered for the next
Red Hat Enterprise Linux release. **

Comment 4 Aristeu Rozanski 2010-07-26 15:17:04 UTC

Patch(es) available on kernel-2.6.32-52.el6

Comment 7 Miya Chen 2010-08-17 13:03:08 UTC

run repeated guest reboot for 32 times with host kernel as 2.6.32-63.el6, did
not hit guest kernel panic problem.

cmd:
# /usr/libexec/qemu-kvm -M rhel6.0.0 -m 21504 -smp 8 -uuid `uuidgen` -rtc
base=utc,clock=host,driftfix=slew -usbdevice tablet -netdev tap,id=hostnet0
-device e1000,netdev=hostnet0,id=net0,mac=20:20:20:12:18:19,bus=pci.0,addr=0x4
-serial stdio -vnc :11 -monitor
unix:'/tmp/monitor-humanmonitor1-20100625-165355-sNdR',server,nowait -drive
file=/home/rhel6-64-0811.2.qcow2,if=none,id=drive-ide,format=qcow2,cache=none,werror=stop,rerror=stop
-device ide-drive,bus=ide.0,unit=0,drive=drive-ide,id=drive-ide0

Comment 8 releng-rhel@redhat.com 2010-11-11 14:42:11 UTC

Red Hat Enterprise Linux 6.0 is now available and should resolve
the problem described in this bug report. This report is therefore being closed
with a resolution of CURRENTRELEASE. You may reopen this bug report if the
solution does not work for you.