From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Vrabel <david.vrabel@citrix.com>
Subject: Re: devel/for-linus-3.14 branch: dom0 BUG: soft lockup
 -	CPU#1 stuck for 22s! RIP: e030:[<ffffffff81109a58>]	[<ffffffff81109a58>]
 generic_exec_single+0x88/0xc0	xen_destroy_contiguous_region+0x160/0x160
Date: Tue, 7 Jan 2014 14:01:38 +0000
Message-ID: <52CC08C2.5090004@citrix.com>
References: <1536712177.20140107125352@eikelenboom.it>
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To: Sander Eikelenboom <linux@eikelenboom.it>
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On 07/01/14 11:53, Sander Eikelenboom wrote:
> Hi Konrad,
> 
> A new year and a new linux merge window looming, so i thought i would try out the "devel/for-linus-3.14" branch.
> But dom0 seems to blow up for me .. (without this branch pulled it works ok)
> 
> Xen: latest xen-unstable

The FIFO-based event channel ABI is broken in current xen-unstable.

You need the two patches from:

http://lists.xen.org/archives/html/xen-devel/2013-12/msg01458.html

You can also disable the use the FIFO ABI by the guest using the
xen.fifo_events = 0 kernel command line option.

David