Bug#860236: xen pv domU crash with 3.16 kernel and xen 4.8

From	Vincent Legout <vincent.legout@gandi.net>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#860236: xen pv domU crash with 3.16 kernel and xen 4.8
Date	2017-04-13 11:30 +0200
Message-ID	<tvJeH-Wr-29@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Package: src:linux
Version: 3.16.39-1+deb8u2
Severity: normal

Hi,

A xen jessie domU crashes around 5 minutes after the boot with the
attached backtrace (at every boot). dom0 is also a Debian jessie running
Xen 4.8.

It only happens when the guest is in pv mode, it works fine with pvhvm.

It also crashes with older 3.16 kernels and 4.0.2-1, but not with
4.2.1-1 (last 2 kernels from snapshot.debian.org).

# uname -a
3.16.0-4-amd64 #1 SMP Debian 3.16.39-1+deb8u2 (2017-03-07) x86_64 GNU/Linux

Vincent

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Bug#860236: xen pv domU crash with 3.16 kernel and xen 4.8 Vincent Legout <vincent.legout@gandi.net> - 2017-04-13 11:30 +0200
  Processed: Re: Bug#860236: xen pv domU crash with 3.16 kernel and  xen 4.8 owner@bugs.debian.org (Debian Bug Tracking System) - 2017-04-14 00:50 +0200
  Bug#860236: xen pv domU crash with 3.16 kernel and xen 4.8 Ben Hutchings <ben@decadent.org.uk> - 2017-04-14 00:50 +0200
    Bug#860236: xen pv domU crash with 3.16 kernel and xen 4.8 Vincent Legout <vincent.legout@gandi.net> - 2017-04-14 09:30 +0200
      Bug#860236: xen pv domU crash with 3.16 kernel and xen 4.8 Vincent Legout <vincent.legout@gandi.net> - 2017-04-14 11:40 +0200
        Bug#860236: xen pv domU crash with 3.16 kernel and xen 4.8 Ben Hutchings <ben@decadent.org.uk> - 2017-04-19 21:50 +0200
          Bug#860236: xen pv domU crash with 3.16 kernel and xen 4.8 Vincent Legout <vincent.legout@gandi.net> - 2017-04-20 09:10 +0200

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