Re: [Xen-devel] 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

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Tue, Jan 07, 2014 at 02:01:38PM +0000, David Vrabel wrote:
> 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)

Hot damm! Thank you for testing so quickly!
> > 
> > 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

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