| Message ID | 32da9f1f.9022.1598ccf96ce.Coremail.h158309@126.com |
|---|---|
| State | New |
| Headers | show |
Hi On Wed, Jan 11, 2017 at 3:32 PM 黄淮 <h158309@126.com> wrote: > From: Huai Huang<h158309@126.com> > > > Could you describe a bit more the crash and provide a backtrace? > diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c > index f2d49ad..4037cf4 100644 > --- a/hw/net/vhost_net.c > +++ b/hw/net/vhost_net.c > @@ -412,7 +412,6 @@ VHostNetState *get_vhost_net(NetClientState *nc) > break; > case NET_CLIENT_DRIVER_VHOST_USER: > vhost_net = vhost_user_get_vhost_net(nc); > - assert(vhost_net); > This was recently added, in commit 1a5b68cee8a2b165ffd61b2e0641a4da3990f242. How is it related? I remember the rest of the vhost-user code expected get_vhost_net() to be non-null, did that change? break; > default: > break; > diff --git a/net/vhost-user.c b/net/vhost-user.c > index b0595f8..4e54478 100644 > --- a/net/vhost-user.c > +++ b/net/vhost-user.c > @@ -160,7 +160,10 @@ static void vhost_user_cleanup(NetClientState *nc) > qemu_chr_fe_release(s->chr); > s->chr = NULL; > } > - > + if (s->watch) { > + g_source_remove(s->watch); > + s->watch = 0; > + } > Hmm, the socket didn't send a CLOSED event on remove? > qemu_purge_queued_packets(nc); > } > > > @@ -192,7 +195,8 @@ static gboolean net_vhost_user_watch(GIOChannel *chan, > GIOCondition cond, > { > VhostUserState *s = opaque; > > > - qemu_chr_disconnect(s->chr); > + if (s->chr) > + qemu_chr_disconnect(s->chr); > that looks outdated, which version of qemu did you tested and patched? thanks > > > return FALSE; > }
diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c index f2d49ad..4037cf4 100644 --- a/hw/net/vhost_net.c +++ b/hw/net/vhost_net.c @@ -412,7 +412,6 @@ VHostNetState *get_vhost_net(NetClientState *nc) break; case NET_CLIENT_DRIVER_VHOST_USER: vhost_net = vhost_user_get_vhost_net(nc); - assert(vhost_net); break; default: break; diff --git a/net/vhost-user.c b/net/vhost-user.c index b0595f8..4e54478 100644 --- a/net/vhost-user.c +++ b/net/vhost-user.c @@ -160,7 +160,10 @@ static void vhost_user_cleanup(NetClientState *nc) qemu_chr_fe_release(s->chr); s->chr = NULL; } - + if (s->watch) { + g_source_remove(s->watch); + s->watch = 0; + } qemu_purge_queued_packets(nc); }
From: Huai Huang<h158309@126.com> @@ -192,7 +195,8 @@ static gboolean net_vhost_user_watch(GIOChannel *chan, GIOCondition cond, { VhostUserState *s = opaque; - qemu_chr_disconnect(s->chr); + if (s->chr) + qemu_chr_disconnect(s->chr); return FALSE; }