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xen-devel
Re: [Xen-devel] Xen unstable crash on grant table debug output
Keir Fraser wrote:
> changeset 21017: 83a8e561f3ff
> Fix grant table debug key.
>
> Must skip domains with gt_version==0.
> Signed-off-by: Keir Fraser <keir.fraser@xxxxxxxxxx>
Thanks Keir,
that fixes the issue for me.
Regards,
Andre.
> Andre Przywara wrote:
> we see a crash of recent Xen unstable on various machines while dumping
> the "grant table usage" debug information ("# xm debug g" or 3*Ctrl+A g)
> (XEN) ****************************************
> (XEN) Panic on CPU 7:
> (XEN) Assertion 'gt->gt_version != 0' failed at grant_table.c:216
> (XEN) ****************************************
> (XEN) ...
> (XEN) Manual reset required ('noreboot' specified)
>
> To reproduce:
> * start Xen unstable HV (tried 2.6.18 Dom0)
> * start a guest (we only tried HVM guests), letting them idle in grub
> suffices
> * # xm debug g
> <CRASH>
>
> I haven't had time to investigate this (and am not very familiar with
> that part of the code), so any help is appreciated.
--
Andre Przywara
AMD-Operating System Research Center (OSRC), Dresden, Germany
Tel: +49 351 448 3567 12
----to satisfy European Law for business letters:
Advanced Micro Devices GmbH
Karl-Hammerschmidt-Str. 34, 85609 Dornach b. Muenchen
Geschaeftsfuehrer: Andrew Bowd; Thomas M. McCoy; Giuliano Meroni
Sitz: Dornach, Gemeinde Aschheim, Landkreis Muenchen
Registergericht Muenchen, HRB Nr. 43632
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