Re: [Xen-devel] [PATCH 0/2] Re: libvirtd live-locking on CTX_LOCK when doing 'virsh <domid> save /tmp/blah' with guest corrupting memory (on purpose).

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Thu, 2015-04-16 at 18:18 +0100, Ian Jackson wrote:
> Jim Fehlig writes ("Re: [PATCH 0/2] Re: libvirtd live-locking on CTX_LOCK 
> when doing 'virsh <domid> save /tmp/blah' with guest corrupting memory (on 
> purpose)."):
> > On 04/14/2015 11:31 AM, Ian Jackson wrote:
> > > I have produced what I think are two patches that will fix this.  I
> > > have compiled them but I haven't tested them.  Konrad, are you able to
> > > check whether they fix your bug ?
> > 
> > I too saw this bug just before Konrad's report, but the patches don't seem 
> > to 
> > help.  Running a script that continually saves and restores domains will 
> > eventually lock libvirtd with essentially the same traces reported by Konrad
> 
> I'm a total idiot.  I do the recheck but I don't pay any attention to
> the result.

Your second patch was updating revents which was used in the next if,
what have I missed?

> I will send an updated approach which does this centrally.

Ack, that's probably best anyhow.



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