Bug 16602 - NMI message flood when activating second video output
Summary: NMI message flood when activating second video output
Status: RESOLVED OBSOLETE
Alias: None
Product: Other
Classification: Unclassified
Component: Other (show other bugs)
Hardware: All Linux
: P1 high
Assignee: other_other
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2010-08-16 08:17 UTC by Tom Malfrere
Modified: 2012-08-13 15:53 UTC (History)
1 user (show)

See Also:
Kernel Version: 2.6.34
Subsystem:
Regression: No
Bisected commit-id:

Attachments
Listing of the kernel message flood (41.44 KB, text/x-log)
2010-08-16 08:17 UTC, Tom Malfrere 		Details
Add an attachment (proposed patch, testcase, etc.)

Description Tom Malfrere 2010-08-16 08:17:02 UTC 
Created attachment 27462 [details]
Listing of the kernel message flood

When I connect my external monitor to my VGA output, my console get's flooded with kernel messages (see attachment).
My CPU usage shoots up.
I get 186 kernel messages every second

These 3 message come back all the time:

...
Message from syslogd@Enigma at Aug 15 13:29:40 ...
 kernel:[ 3694.270468] Uhhuh. NMI received for unknown reason 2f on CPU 0.

Message from syslogd@Enigma at Aug 15 13:29:40 ...
 kernel:[ 3694.270473] Do you have a strange power saving mode enabled?

Message from syslogd@Enigma at Aug 15 13:29:40 ...
 kernel:[ 3694.270475] Dazed and confused, but trying to continue
...

The reason values changes between 0f, 1f, 2f and 3f


Hardware:
ASUS A6KT laptop.
CPU: AMD Turion MT34.
GPU: ATI X1600 mobile.

Software:
standard openSUSE 11.3 desktop kernel.

PS: suspend is not working either.
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