[libvirt] [PATCH] qemu: prevent termination of guests w/hostdev on driver reconnect

[Eric Blake]

On 05/31/2013 12:53 PM, Laine Stump wrote:
> This should resolve:
> 
>   https://bugzilla.redhat.com/show_bug.cgi?id=959191
> 
> The problem was that qemuUpdateActivePciHostdevs was returning 0
> (success) when no hostdevs were present, but would otherwise return -1
> (failure) even when it completed successfully. It is only called from
> qemuProcessReconnect(), and when qemuProcessReconnect got back an
> error, it would not only stop reconnecting, but would terminate the
> guest qemu process "to remove danger of it ending up running twice if
> user tries to start it again later".
> 
> (This bug was introduced in commit 011cf7ad, which was pushed between
> v1.0.2 and v1.0.3, so all maintenance branches from v1.0.3 up to 1.0.5
> will need this one line patch applied.)
> ---
>  src/qemu/qemu_hostdev.c | 1 +
>  1 file changed, 1 insertion(+)

ACK, and thanks for tracking this down.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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