Raphael Norwitz <raphael.norw...@nutanix.com> 於 2019-08-23 04:16 寫道： > > Same
rational as: e6cc11d64fc998c11a4dfcde8fda3fc33a74d844 > > Of the 3 virtqueues,
seabios only sets cmd, leaving ctrl > and event without a physical address.
This can cause > vhost_verify_ring_part_mapping to return ENOMEM, causing > the
following logs: > > qemu-system-x86_64: Unable to map available ring for ring 0
> qemu-system-x86_64: Verify ring failure on region 0 > > This has already been
fixed for vhost scsi devices and was > recently vhost-user scsi devices. This
commit fixes it for > vhost-user-blk devices. > > Suggested-by: Phillippe
Mathieu-Daude <phi...@redhat.com> > Signed-off-by: Raphael Norwitz
<raphael.norw...@nutanix.com> Reviewed-by: yuchenlin <yuchen...@synology.com>
Thanks. > > > --- > hw/block/vhost-user-blk.c | 2 +- > 1 file changed, 1
insertion(+), 1 deletion(-) > > diff --git a/hw/block/vhost-user-blk.c
b/hw/block/vhost-user-blk.c > index 0b8c5df..63da9bb 100644 > ---
a/hw/block/vhost-user-blk.c > +++ b/hw/block/vhost-user-blk.c > @@ -421,7
+421,7 @@ static void vhost_user_blk_device_realize(DeviceState *dev, Error
**errp) > } > > s->inflight = g_new0(struct vhost_inflight, 1); > - s->vqs =
g_new(struct vhost_virtqueue, s->num_queues); > + s->vqs = g_new0(struct
vhost_virtqueue, s->num_queues); > s->watch = 0; > s->connected = false; > > --
> 1.9.4 > >
