From mboxrd@z Thu Jan  1 00:00:00 1970
From: Matthew Vernon <mcv21@cam.ac.uk>
Subject: Re: [BUG] kernel panics with drbd
Date: Tue, 04 Aug 2015 15:39:23 +0100
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To: Ian Campbell <ian.campbell@citrix.com>, xen-devel@lists.xen.org
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Hi,

On 04/08/15 15:22, Ian Campbell wrote:
> On Tue, 2015-08-04 at 14:52 +0100, Matthew Vernon wrote:
>> Hi,
>
> Hello,
>
>> I'm getting dom0 kernel panics, relating to moderately heavy use of
>> drbd. I think this is a Xen bug.
>
> It is remarkably similar looking to
> http://blog.chinewalking.com/drbd-kernel-oops-w-trim/ . Do you have trim?

I seem to, yes:

Aug  4 14:28:24 ophon kernel: [2856757.049680] drbd mws-02474: Agreed to 
support TRIM on protocol level

I have DRBD 8.9.2~rc1-2.

Regards,

Matthew