Bug#885166: instability with 4.14 regarding KVM virtualization

From	Marc Haber <mh+debian-bugs@zugschlus.de>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#885166: instability with 4.14 regarding KVM virtualization
Date	2018-02-23 09:20 +0100
Message-ID	<vmgKd-1qv-3@gated-at.bofh.it> (permalink)
References	(7 earlier) <vkuxY-3NF-5@gated-at.bofh.it> <vkMlb-74N-1@gated-at.bofh.it> <vlEbT-8n5-3@gated-at.bofh.it> <v0APD-4bT-1@gated-at.bofh.it> <vlEbT-8n5-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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On Wed, Feb 21, 2018 at 03:57:31PM +0100, Marc Haber wrote:
> I then applied 2a266f23550be997d783f27e704b9b40c4010292 to 4.14.19,
> resulting in 4.4.19+, and this one has been running flawlessly for two
> days (and 0 minutes, incidentally) now. I will stay on 4.14.19+ until
> 4.15.5 comes out (and will update then). If you don't hear from me again
> in this bug report, then you can safely assume that 4.14.19+ lived on
> the test machine until its planned decommissioning during the 4.15.5
> rollout.

I regret to say that one of the VMs running on the host running 4.14.19+
has just suffered a "BUG: soft lockup - CPU#1 stuck for 58s!" which is
an atypical behavior for the issue I had previously, but might have a
common cause. 4.15.5 is currently building on my build host, and I'll
move to that kernel asap.

Greetings
Marc

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Bug#885166: instability with 4.14 regarding KVM virtualization Marc Haber <mh+debian-bugs@zugschlus.de> - 2017-12-25 14:20 +0100
  Bug#885166: instability with 4.14 regarding KVM virtualization Ben Hutchings <ben@decadent.org.uk> - 2017-12-25 23:10 +0100
    Bug#885166: instability with 4.14 regarding KVM virtualization Marc Haber <mh+debian-bugs@zugschlus.de> - 2017-12-27 12:30 +0100
      Bug#885166: instability with 4.14 regarding KVM virtualization Jonathan Nieder <jrnieder@gmail.com> - 2017-12-27 18:40 +0100
      Bug#885166: instability with 4.14 regarding KVM virtualization Ben Hutchings <ben@decadent.org.uk> - 2017-12-27 20:50 +0100
    Bug#885166: instability with 4.14 regarding KVM virtualization Marc Haber <mh+debian-bugs@zugschlus.de> - 2018-01-08 10:00 +0100
      Bug#885166: instability with 4.14 regarding KVM virtualization Marc Haber <mh+debian-bugs@zugschlus.de> - 2018-02-11 14:50 +0100
        Bug#885166: instability with 4.14 regarding KVM virtualization Salvatore Bonaccorso <carnil@debian.org> - 2018-02-18 10:20 +0100
          Bug#885166: instability with 4.14 regarding KVM virtualization Marc Haber <mh+debian-bugs@zugschlus.de> - 2018-02-18 11:40 +0100
            Bug#885166: instability with 4.14 regarding KVM virtualization Salvatore Bonaccorso <carnil@debian.org> - 2018-02-19 06:40 +0100
              Bug#885166: instability with 4.14 regarding KVM virtualization Marc Haber <mh+debian-bugs@zugschlus.de> - 2018-02-21 16:10 +0100
                Bug#885166: instability with 4.14 regarding KVM virtualization Marc Haber <mh+debian-bugs@zugschlus.de> - 2018-02-23 09:20 +0100

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