Hi Prashant,

> I found the root cause for this in my plugin. I was using the handoff
> functions incorrectly.
> There is no problem in VPP. After fixing my plugin, the usecase runs as
> solid in 22.06 as in 21.06.

Glad to hear, and thanks for the feedback!

Best
ben

> On Wed, 12 Oct 2022, 18:26 Benoit Ganne (bganne) via lists.fd.io
> <http://lists.fd.io> , <bganne=cisco....@lists.fd.io
> <mailto:cisco....@lists.fd.io> > wrote:
> 
> 
>       I did not heard anything like this.
>       Can you try to reproduce with latest master? Do you have some
> proprietary plugins loaded also?
> 
>       Best
>       ben
> 
>       > -----Original Message-----
>       > From: vpp-dev@lists.fd.io <mailto:vpp-dev@lists.fd.io>  <vpp-
> d...@lists.fd.io <mailto:vpp-dev@lists.fd.io> > On Behalf Of Prashant
>       > Upadhyaya
>       > Sent: Wednesday, October 12, 2022 11:32
>       > To: vpp-dev <vpp-dev@lists.fd.io <mailto:vpp-dev@lists.fd.io> >
>       > Subject: [vpp-dev] Crash in VPP22.06 in ip4_mtrie_16_lookup_step
>       >
>       > Hi,
>       >
>       > I am migrating from VPP21.06 where my usecase works without
> issues
>       > overnight, but in VPP22.06 it gives the following crash in 7 to 8
>       > minutes of run.
>       > Just wondering if this is a known issue or if anybody else has
> seen this.
>       > Further, when I run in VPP22.06 with a single worker thread, this
>       > crash is not seen, but when I run with 2 worker threads, then
> this
>       > crash is seen as below.
>       > With VPP21.06 the crash is not seen regardless of the number of
> worker
>       > threads.
>       >
>       > Thread 5 "vpp_wk_1" received signal SIGSEGV, Segmentation fault.
>       > [Switching to Thread 0x7fff69156700 (LWP 5408)]
>       > 0x00007ffff78327f8 in ip4_mtrie_16_lookup_step
>       > (dst_address_byte_index=2, dst_address=0x1025d44ea4,
>       > current_leaf=1915695212)
>       >     at /home/centos/vpp/src/vnet/ip/ip4_mtrie.h:215
>       > 215           return (ply->leaves[dst_address-
>       > >as_u8[dst_address_byte_index]]);
>       > (gdb) bt
>       > #0  0x00007ffff78327f8 in ip4_mtrie_16_lookup_step
>       > (dst_address_byte_index=2, dst_address=0x1025d44ea4,
>       > current_leaf=1915695212)
>       >     at /home/centos/vpp/src/vnet/ip/ip4_mtrie.h:215
>       > #1  ip4_fib_forwarding_lookup (addr=0x1025d44ea4, fib_index=1) at
>       > /home/centos/vpp/src/vnet/fib/ip4_fib.h:146
>       > #2  ip4_lookup_inline (frame=0x7fffbc805a80, node=<optimized
> out>,
>       > vm=0x7fffbc72bc40) at
> /home/centos/vpp/src/vnet/ip/ip4_forward.h:327
>       > #3  ip4_lookup_node_fn_skx (vm=0x7fffbc72bc40,
> node=0x7fffbc7bc400,
>       > frame=0x7fffbc805a80) at
>       > /home/centos/vpp/src/vnet/ip/ip4_forward.c:101
>       > #4  0x00007ffff7ea2a45 in dispatch_node
> (last_time_stamp=<optimized
>       > out>, frame=0x7fffbc805a80,
> dispatch_state=VLIB_NODE_STATE_POLLING,
>       >     type=VLIB_NODE_TYPE_INTERNAL, node=0x7fffbc7bc400,
>       > vm=0x7fffbc7bc400) at /home/centos/vpp/src/vlib/main.c:961
>       > #5  dispatch_pending_node (vm=vm@entry=0x7fffbc72bc40,
>       > pending_frame_index=pending_frame_index@entry=6,
>       > last_time_stamp=<optimized out>)
>       >     at /home/centos/vpp/src/vlib/main.c:1120
>       > #6  0x00007ffff7ea4639 in vlib_main_or_worker_loop (is_main=0,
>       > vm=0x7fffbc72bc40, vm@entry=0x7fffb8c96700)
>       >     at /home/centos/vpp/src/vlib/main.c:1589
>       > #7  vlib_worker_loop (vm=vm@entry=0x7fffbc72bc40) at
>       > /home/centos/vpp/src/vlib/main.c:1723
>       > #8  0x00007ffff7edea81 in vlib_worker_thread_fn
> (arg=0x7fffb8cd5640)
>       > at /home/centos/vpp/src/vlib/threads.c:1579
>       > #9  0x00007ffff7edde33 in vlib_worker_thread_bootstrap_fn
>       > (arg=0x7fffb8cd5640) at /home/centos/vpp/src/vlib/threads.c:418
>       > #10 0x00007ffff6638ea5 in start_thread (arg=0x7fff69156700) at
>       > pthread_create.c:307
>       > #11 0x00007ffff5db5b0d in clone () at
>       > ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
>       >
>       > Regards
>       > -Prashant
> 
> 
> 
> 

-=-=-=-=-=-=-=-=-=-=-=-
Links: You receive all messages sent to this group.
View/Reply Online (#22031): https://lists.fd.io/g/vpp-dev/message/22031
Mute This Topic: https://lists.fd.io/mt/94277299/21656
Group Owner: vpp-dev+ow...@lists.fd.io
Unsubscribe: https://lists.fd.io/g/vpp-dev/leave/1480452/21656/631435203/xyzzy 
[arch...@mail-archive.com]
-=-=-=-=-=-=-=-=-=-=-=-

Reply via email to