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Bug 445558 - sys-kernel/gentoo-sources-3.6.6 - i915: crash when starting X under Xen
Summary: sys-kernel/gentoo-sources-3.6.6 - i915: crash when starting X under Xen
Status: RESOLVED OBSOLETE
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] Core system (show other bugs)
Hardware: All Linux
: Normal normal (vote)
Assignee: Gentoo Kernel Bug Wranglers and Kernel Maintainers
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2012-12-02 04:12 UTC by Raymond Jennings
Modified: 2012-12-28 03:51 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---

Attachments
kernel config (config.gz,17.68 KB, text/plain)
2012-12-02 04:13 UTC, Raymond Jennings 		Details
emerge --info (einfo.txt,5.18 KB, text/plain)
2012-12-02 04:14 UTC, Raymond Jennings 		Details
kernel config (config.gz,17.68 KB, application/x-gzip)
2012-12-02 04:14 UTC, Raymond Jennings 		Details
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Description Raymond Jennings 2012-12-02 04:12:37 UTC 
I just started trying out Xen.

System kinda slows down but that's not the worst of it.

When I started X, the screen went berserk and in 4 seconds I saw the beginnings of a cold boot.

Chatting with xen people on freenode says that it's probably a kernel bug.

Package versions:
app-emulation/xen-4.1.1-r2
app-emulation/xen-tools-4.1.1-r5
sys-kernel/gentoo-sources-3.6.6

Video card: i915

Reproducible: Always

Actual Results:  
as soon as I start X, the screen goes berserk with horizontal static...then I get a hard reboot.

Expected Results:  
X starts up just as it does on bare metal without xen
Comment 1 Raymond Jennings 2012-12-02 04:13:31 UTC 
Created attachment 331176 [details]
kernel config
Comment 2 Raymond Jennings 2012-12-02 04:14:16 UTC 
Created attachment 331178 [details]
emerge --info
Comment 3 Raymond Jennings 2012-12-02 04:14:59 UTC 
Created attachment 331180 [details]
kernel config
Comment 4 Tom Wijsman (TomWij) (RETIRED) gentoo-dev 2012-12-03 05:59:49 UTC 
1. Since /var/log/Xorg.0.log _is_ normally written to, can you boot into the installation medium and retrieve it (just copy it to your home) and then attach it to this bug?

2. Can you provide a dmesg as well (from before the crash)?

3. If possible, see whether you can set up syslogging the crash to another computer; then you can attempt to capture those messages in syslog-ng on that other computer. Or maybe the crash dmesg is accessible from the installation medium as well (in /var/log/messages)?
Comment 5 Raymond Jennings 2012-12-28 03:51:05 UTC 
Just upgraded to kernel 3.6.11, seems to work now.