Re: [Xen-devel] Hypervisor error messages after xl block-detach with linux 3.18-rc5

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 24.11.14 at 10:55, <JGross@xxxxxxxx> wrote:
> - Sometimes I see only NMI watchdog messages, looking into hanging cpu
>    state via xen debug keys I can see the cpu(s) in question are spinning
>    in _raw_spin_lock():
>    __handle_mm_fault()->__pte_alloc()->pmd_lock()->_raw_spin_lock()
>    The hanging cpus were executing some random user processes (cron,
>    bash, xargs), cr2 contained user addresses.

Is this perhaps what
http://lists.xenproject.org/archives/html/xen-devel/2014-11/msg02135.html
appears to be about?

Jan


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