Bug#813764: linux-source-3.16: "Dazed and confused, but trying to continue" on X10SDV-TLN4F while using perf top

From	Rich Ercolani <rercola@acm.jhu.edu>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#813764: linux-source-3.16: "Dazed and confused, but trying to continue" on X10SDV-TLN4F while using perf top
Date	2016-02-05 05:30 +0100
Message-ID	<qYGbT-3GL-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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Package: linux-source-3.16
Version: 3.16.0-4
Severity: normal

Dear Maintainer,

I was going about my business, using perf top to see what I was spending a
bunch of my time in on this system, when suddenly, I got this written to
console:

[2425302.546957] Uhhuh. NMI received for unknown reason 11 on CPU 1.
[2425302.547625] Do you have a strange power saving mode enabled?
[2425302.548291] Dazed and confused, but trying to continue

I've been running this system for several months at this point, and have not
seen this issue at any point prior.

I can't easily reproduce it again, so it may have been something other than
"perf top" that resulted in the behavior, but that's the only unusual thing
I can think of.

Supermicro X10SDV-TLN4F, which is a Xeon D-1540 board.

-- System Information:
Debian Release: 8.2
  APT prefers stable
  APT policy: (1000, 'stable'), (900, 'testing'), (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 3.16.0-4-amd64 (SMP w/16 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

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Bug#813764: linux-source-3.16: "Dazed and confused, but trying to continue" on X10SDV-TLN4F while using perf top Rich Ercolani <rercola@acm.jhu.edu> - 2016-02-05 05:30 +0100
  Bug#813764: linux-source-3.16: "Dazed and confused, but trying to continue" on X10SDV-TLN4F while using perf top Ben Hutchings <ben@decadent.org.uk> - 2016-02-05 14:40 +0100
  Processed: Re: Bug#813764: linux-source-3.16: "Dazed and  confused, but trying to continue" on X10SDV-TLN4F while using perf top owner@bugs.debian.org (Debian Bug Tracking System) - 2016-02-05 14:40 +0100

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