Hi On Fri, Feb 24, 2017 at 11:54 PM Dr. David Alan Gilbert <dgilb...@redhat.com> wrote:
> Hi, > I'm seeing a hang+crash doing a make check that > looks like it's coming from vhost-user's chardev cleanup, > so I'm suspecting your e0b283e7c. > The synptom is that the make check hangs in the qtest > part, and a dmesg shows that a qemu crashed. > See that thread: https://lists.nongnu.org/archive/html/qemu-devel/2017-02/msg06015.html > I got a backtrace that shows: > > (gdb) where > #0 0x0000560d3344f03e in qemu_chr_fe_read_all (be=be@entry=0x0, > buf=buf@entry=0x7ffea7a2f520 "\v", len=len@entry=12) at > /home/dgilbert/git/qemu/chardev/char.c:209 > #1 0x0000560d33199d64 in vhost_user_read (msg=msg@entry=0x7ffea7a2f520, > dev=<optimized out>) > at /home/dgilbert/git/qemu/hw/virtio/vhost-user.c:125 > #2 0x0000560d3319a11f in vhost_user_get_vring_base (dev=0x560d35a614a0, > ring=0x7ffea7a2f670) > at /home/dgilbert/git/qemu/hw/virtio/vhost-user.c:417 > #3 0x0000560d33196abb in vhost_virtqueue_stop (dev=dev@entry=0x560d35a614a0, > vdev=vdev@entry=0x560d3729cc00, vq=0x560d35a61678, idx=1) at > /home/dgilbert/git/qemu/hw/virtio/vhost.c:1070 > #4 0x0000560d33198cd4 in vhost_dev_stop (hdev=hdev@entry=0x560d35a614a0, > vdev=vdev@entry=0x560d3729cc00) > at /home/dgilbert/git/qemu/hw/virtio/vhost.c:1533 > #5 0x0000560d3317bfd8 in vhost_net_stop_one (net=0x560d35a614a0, > dev=0x560d3729cc00) > at /home/dgilbert/git/qemu/hw/net/vhost_net.c:288 > #6 0x0000560d3317c4aa in vhost_net_stop (dev=dev@entry=0x560d3729cc00, > ncs=<optimized out>, total_queues=total_queues@entry=1) at > /home/dgilbert/git/qemu/hw/net/vhost_net.c:367 > #7 0x0000560d33179201 in virtio_net_vhost_status (status=<optimized out>, > n=0x560d3729cc00) > at /home/dgilbert/git/qemu/hw/net/virtio-net.c:176 > #8 0x0000560d33179201 in virtio_net_set_status (vdev=0x560d3729cc00, > status=7 '\a') > at /home/dgilbert/git/qemu/hw/net/virtio-net.c:250 > #9 0x0000560d3339ce99 in qemu_del_net_client (nc=0x560d35a61250) at > /home/dgilbert/git/qemu/net/net.c:390 > #10 0x0000560d3339e30d in net_cleanup () at > /home/dgilbert/git/qemu/net/net.c:1454 > #11 0x0000560d330ee940 in main (argc=<optimized out>, argv=<optimized > out>, envp=<optimized out>) > at /home/dgilbert/git/qemu/vl.c:4637 > (gdb) > > #0 qemu_chr_fe_read_all (be=be@entry=0x0, buf=buf@entry=0x7ffea7a2f520 > "\v", len=len@entry=12) > at /home/dgilbert/git/qemu/chardev/char.c:209 > 209 Chardev *s = be->chr; > > Dave > > -- > Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK > > -- Marc-André Lureau
