Bug 679567

Summary: Strange "NMI received for unknown reason" message on console
Product: [openSUSE] openSUSE 11.4 Reporter: Stanislav Brabec <sbrabec>
Component: KernelAssignee: E-mail List <kernel-maintainers>
Status: RESOLVED DUPLICATE QA Contact: E-mail List <qa-bugs>
Severity: Major    
Priority: P5 - None CC: forgotten_xRcrmyYBVX, jslaby
Version: Final   
Target Milestone: ---   
Hardware: x86-64   
OS: Linux   
Whiteboard:
Found By: --- Services Priority:
Business Priority: Blocker: ---
Marketing QA Status: --- IT Deployment: ---
Attachments: output of hwinfo

Description Stanislav Brabec 2011-03-14 22:21:55 UTC
Created attachment 419272 [details]
output of hwinfo

I got this strange message in the console. System was under higher disc load (just the tracker utility ran after the first login to the system). System did not crash and continued to work. I did not see it again any more.

Mar 12 23:34:49 utx kernel: [ 1123.321097] Uhhuh. NMI received for unknown reason 2d on CPU 0.
Mar 12 23:34:49 utx kernel: [ 1123.321102] Do you have a strange power saving mode enabled?
Mar 12 23:34:49 utx kernel: [ 1123.321105] Dazed and confused, but trying to continue

I never seen it in openSUSE 11.3. Changes I did during the update:
- Updated to 11.4
- Enabled HPET in BIOS
- Enabled Intel virtualization technology in BIOS
Comment 1 Forgotten User xRcrmyYBVX 2011-03-15 10:14:22 UTC
Seems to be similar/identical to this bug: https://bugzilla.novell.com/show_bug.cgi?id=678882

Maybe we can find similarities in the hardware of our machines?
Comment 2 Jiri Slaby 2011-03-15 22:22:16 UTC
(In reply to comment #1)
> Seems to be similar/identical to this bug:

Another one is bug 679743.
Comment 3 Jiri Slaby 2011-04-26 20:57:04 UTC
(In reply to comment #0)
> I got this strange message in the console. System was under higher disc load

I assume you haven't seen it again since then. Is that correct?

I would blame the perf events to be a bug in which were changed lately along with the new NMI watchdog.
Comment 4 Forgotten User xRcrmyYBVX 2011-04-27 08:06:21 UTC
Hello,

> I assume you haven't seen it again since then. Is that correct?

I have indeed not seen it in a long time. The last time I remember was right after last installed my machine. I think it was creating some search index right after the installation... that was when I received the message.

Since then, I have installed about 15 new machines, but did not check their logs. I will do so this week and report back.

> I would blame the perf events to be a bug in which were changed lately along
with the new NMI watchdog.

So you say this might have been patched in a kernel update in the last couple weeks?
Comment 5 Forgotten User xRcrmyYBVX 2011-04-27 08:08:19 UTC
BTW, sorry I replied in this bugreport! I confused with mine on the same issue here https://bugzilla.novell.com/show_bug.cgi?id=678882 :-) 

I just saw you provided a patched kernel there. I'll first check the logs of my machines and then report back!
Comment 6 Jiri Slaby 2011-04-29 12:51:43 UTC
(In reply to comment #5)
> BTW, sorry I replied in this bugreport! I confused with mine on the same issue

And you are not alone. Let's mark this as duplicate to avoid further confusion.

*** This bug has been marked as a duplicate of bug 678882 ***