Thanks Benoit. 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. Regards -Prashant On Wed, 12 Oct 2022, 18:26 Benoit Ganne (bganne) via lists.fd.io, <bganne= 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 <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> > > 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 > > > >
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