[Bugme-new] [Bug 16602] New: NMI message flood when activating second video output

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Mon Aug 16 01:17:19 PDT 2010


https://bugzilla.kernel.org/show_bug.cgi?id=16602

           Summary: NMI message flood when activating second video output
           Product: Other
           Version: 2.5
    Kernel Version: 2.6.34
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Other
        AssignedTo: other_other at kernel-bugs.osdl.org
        ReportedBy: tom.malfrere at pandora.be
        Regression: No


Created an attachment (id=27462)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=27462)
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 at Enigma at Aug 15 13:29:40 ...
 kernel:[ 3694.270468] Uhhuh. NMI received for unknown reason 2f on CPU 0.

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

Message from syslogd at 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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