From: Juergen Gross <jgross@suse.com>
To: Jan Beulich <JBeulich@suse.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: Hypervisor error messages after xl block-detach with linux 3.18-rc5
Date: Mon, 24 Nov 2014 11:59:27 +0100 [thread overview]
Message-ID: <54730F8F.7080905@suse.com> (raw)
In-Reply-To: <5473147C020000780004A3D5@suse.com>
On 11/24/2014 11:20 AM, Jan Beulich wrote:
>>>> On 24.11.14 at 10:55, <JGross@suse.com> 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?
Hmm, I'm not sure.
I'll try a 3.17 kernel to verify.
Juergen
next prev parent reply other threads:[~2014-11-24 10:59 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-21 8:42 Hypervisor error messages after xl block-detach with linux 3.18-rc5 Juergen Gross
2014-11-21 13:57 ` Konrad Rzeszutek Wilk
2014-11-24 9:55 ` Juergen Gross
2014-11-24 10:02 ` Ian Campbell
2014-11-25 16:10 ` Juergen Gross
2014-11-25 16:18 ` Ian Campbell
2014-11-25 16:48 ` Juergen Gross
2014-11-25 17:01 ` Juergen Gross
2014-11-24 10:20 ` Jan Beulich
[not found] ` <5473147C020000780004A3D5@suse.com>
2014-11-24 10:59 ` Juergen Gross [this message]
2014-11-24 15:09 ` Juergen Gross
2014-11-24 17:27 ` Juergen Gross
2014-11-25 7:50 ` Jan Beulich
2014-11-25 4:47 ` Juergen Gross
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