Re: [Qemu-devel] [PATCH 07/13] virtio-scsi: always use dataplane path if ioeventfd is active

[Alex Williamson]

On Mon, 14 Nov 2016 20:33:32 +0100
Paolo Bonzini <address@hidden> wrote:

> On 14/11/2016 19:49, Alex Williamson wrote:
> > On Mon, 14 Nov 2016 19:10:54 +0100
> > Paolo Bonzini <address@hidden> wrote:
> >   
> >> On 14/11/2016 18:09, Alex Williamson wrote:  
> >>> Hmm, fixed yet not fixed.  I get a nice shutdown and it even eliminates
> >>> a cpu spike shown in virt-manager at the end of shutdown that was
> >>> typical previously, but then I noticed dmesg showing me segfaults, so I
> >>> hooked up gdb and:    
> >>
> >> Well, that I don't get the segfault already says something...  Though 
> >> it's not even clear from the backtrace what is causing the segfault.  
> >> Let's try the same printf without the change.  
> > 
> > Log starting from virsh shutdown.  The final line occurs just as the VM
> > starts spinning on all vcpus.  Thanks,  
> 
> Ok, this could be a start.  Just for information what is your virtio-win
> version?

Device manager shows:

Driver Date: 9/22/2015
Driver Version: 62.72.104.11000