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Re: general protection fault on vif50.1-q1-guest

  • To: John Naggets <hostingnuggets@xxxxxxxxx>, xen-users <xen-users@xxxxxxxxxxxxx>
  • From: Sarah Newman <srn@xxxxxxxxx>
  • Date: Thu, 28 May 2020 16:03:21 -0700
  • Delivery-date: Thu, 28 May 2020 23:03:39 +0000
  • Dkim-filter: OpenDKIM Filter v2.11.0 mail.prgmr.com CEF4E72008F
  • List-id: Xen user discussion <xen-users.lists.xenproject.org>

On 5/8/20 12:15 AM, John Naggets wrote:

I had recently a general protection fault on a Debian 8 server with
Xen (debian pacakge: 4.4.4lts4-0+deb8u1) and it looks like it was Xen
related because it showed the vif50.1-q1-guest kernel process in the
kernel log. I have copied the kernel log below in this mail for
reference. After this GPF the system was still responding but one domU
lost network connectivity and all the others where still working
properly. I decided to power-off and power-on the system as a soft GPF
renders the system in an unstable state.

Now I am trying to find out what is most likely the cause of this
general protection fault in order to avoid that again in the future
and would like your opinion on that:

- is this maybe a bug in Xen?
- a bug in the kernel used by Debian?
- a hardware issue?
- if it is a hardware issue, what is most likely? RAM? CPU?
- anything else I am missing?

Are you able to try a newer version? You're unlikely to get interest in debugging a version that has been out of support for 3 years: https://wiki.xenproject.org/wiki/Xen_Project_Release_Features



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