[VPP-9] VHOST VIRTIO driver crashes in debug-mode.

[vvalderrv]

Description

Two VMs are instantiated with one vhost interface each cross connected in VPP. A ping from one VM to another crashes VPP. This happens only in debug mode and not in non-debug mode.

Stack trace:

0x00007ffff5948cc9 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56

56 ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.

(gdb) where

#0 0x00007ffff5948cc9 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56

#1 0x00007ffff594c0d8 in __GI_abort () at abort.c:89

#2 0x000000000040a6ae in os_panic () at /scratch/localadmin/openvpp/vpp/build-data/../vpp/vnet/main.c:266

#3 0x00007ffff64f9aef in debugger () at /scratch/localadmin/openvpp/vpp/build-data/../vppinfra/vppinfra/error.c:81

#4 0x00007ffff64f9efe in _clib_error (how_to_die=2, function_name=0x0, line_number=0,

fmt=0x7ffff712e250 "%s:%d (%s) assertion `%s' fails")

at /scratch/localadmin/openvpp/vpp/build-data/../vppinfra/vppinfra/error.c:139

#5 0x00007ffff709f46c in vhost_user_intfc_tx (vm=0x7fffc51d4504, node=0x7fffc509ae74, frame=0x7fffc5184d00)

at /scratch/localadmin/openvpp/vpp/build-data/../vnet/vnet/devices/virtio/vhost-user.c:1219

#6 0x00007ffff753b963 in dispatch_node (vm=0x7fffc51d4504, node=0x7fffc509ae74, type=VLIB_NODE_TYPE_INTERNAL,

dispatch_state=VLIB_NODE_STATE_POLLING, frame=0x7fffc5184d00, last_time_stamp=5135275865732395)

at /scratch/localadmin/openvpp/vpp/build-data/../vlib/vlib/main.c:996

#7 0x00007ffff753bd7f in dispatch_pending_node (vm=0x7fffc51d4504, p=0x7fffc527943c,

last_time_stamp=5135275865732395) at /scratch/localadmin/openvpp/vpp/build-data/../vlib/vlib/main.c:1124

#8 0x00007ffff7089438 in dpdk_worker_thread_internal (vm=0x7fffc51d4504, callback=0x0, have_io_threads=0)

at /scratch/localadmin/openvpp/vpp/build-data/../vnet/vnet/devices/dpdk/threads.c:219

#9 0x00007ffff70895c7 in dpdk_worker_thread (w=0x7fffc5512c68, io_name=0x7ffff712b96d "io", callback=0x0)

at /scratch/localadmin/openvpp/vpp/build-data/../vnet/vnet/devices/dpdk/threads.c:259

#10 0x00007ffff7089629 in dpdk_worker_thread_fn (arg=0x7fffc5512c68)

at /scratch/localadmin/openvpp/vpp/build-data/../vnet/vnet/devices/dpdk/threads.c:266

#11 0x00007ffff650d270 in clib_calljmp ()

at /scratch/localadmin/openvpp/vpp/build-data/../vppinfra/vppinfra/longjmp.S:110

#12 0x00007fff9a70fbb0 in ?? ()

#13 0x00007ffff755bb75 in vlib_worker_thread_bootstrap_fn (arg=0x7fffc5512c68)

at /scratch/localadmin/openvpp/vpp/build-data/../vlib/vlib/threads.c:480

Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Assignee

Shesha Sreenivasamurthy

Reporter

Shesha Sreenivasamurthy

Comments

No comments.

Original issue: https://jira.fd.io/browse/VPP-9