Interesting. What application are you running and does this [1] fix the issue for you?
In short, many of vls’ apis check if the call is coming in on a new pthread and program vcl accordingly if yes. The patch makes sure vls_attr does that as well. Thanks, Florin [1] https://gerrit.fd.io/r/#/c/18597/ > On Mar 29, 2019, at 4:29 AM, Dave Barach via Lists.Fd.Io > <dbarach=cisco....@lists.fd.io> wrote: > > For whatever reason, the vls layer received an event notification which > didn’t end well. vcl_worker_get (wrk_index=4294967295) [aka 0xFFFFFFFF] will > never work. > > I’ll let Florin comment further. He’s in the PDT time zone, so don’t expect > to hear from him for a few hours. > > D. > > From: vpp-dev@lists.fd.io <mailto:vpp-dev@lists.fd.io> <vpp-dev@lists.fd.io > <mailto:vpp-dev@lists.fd.io>> On Behalf Of sharath kumar > Sent: Friday, March 29, 2019 12:18 AM > To: vpp-dev@lists.fd.io <mailto:vpp-dev@lists.fd.io>; csit-...@lists.fd.io > <mailto:csit-...@lists.fd.io> > Subject: [vpp-dev] multi-threaded application, "epoll_wait" and "epoll_ctl" > have "received signal SIGABRT, Aborted". > > Hello all, > > I am a newbie to VPP. > > I am trying to run VPP with a multi-threaded application. > "recv" works fine from non-main threads, > whereas "epoll_wait" and "epoll_ctl" have "received signal SIGABRT, Aborted". > > Is this a known issue? > Or am I doing something wrong? > > Attaching backtrace for "epoll_wait" and "epoll_ctl" > > Thread 9 "dmm_vcl_epoll" received signal SIGABRT, Aborted. > [Switching to Thread 0x7fffd67fe700 (LWP 56234)] > 0x00007ffff7349428 in __GI_raise (sig=sig@entry=6) at > ../sysdeps/unix/sysv/linux/raise.c:54 > 54 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory. > (gdb) bt > #0 0x00007ffff7349428 in __GI_raise (sig=sig@entry=6) at > ../sysdeps/unix/sysv/linux/raise.c:54 > #1 0x00007ffff734b02a in __GI_abort () at abort.c:89 > #2 0x00007ffff496d873 in os_panic () at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vppinfra/unix-misc.c:176 > #3 0x00007ffff48ce42c in debugger () at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vppinfra/error.c:84 > #4 0x00007ffff48ce864 in _clib_error (how_to_die=2, function_name=0x0, > line_number=0, fmt=0x7ffff4bfe0e0 "%s:%d (%s) assertion `%s' fails") > at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vppinfra/error.c:143 > #5 0x00007ffff4bcca7d in vcl_worker_get (wrk_index=4294967295) at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vcl/vcl_private.h:540 > #6 0x00007ffff4bccabe in vcl_worker_get_current () at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vcl/vcl_private.h:554 > #7 0x00007ffff4bd7c49 in vppcom_session_attr (session_handle=4278190080, > op=6, buffer=0x0, buflen=0x0) at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vcl/vppcom.c:2606 > #8 0x00007ffff4bfc7fd in vls_attr (vlsh=0, op=6, buffer=0x0, buflen=0x0) at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vcl/vcl_locked.c:569 > #9 0x00007ffff4e21736 in ldp_epoll_pwait (epfd=32, events=0x7fffd67fad20, > maxevents=1024, timeout=100, sigmask=0x0) at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vcl/ldp.c:2203 > #10 0x00007ffff4e21948 in epoll_wait (epfd=32, events=0x7fffd67fad20, > maxevents=1024, timeout=100) at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vcl/ldp.c:2257 > #11 0x00007ffff4e13041 in dmm_vcl_epoll_thread (arg=0x0) at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vcl/dmm_vcl_adpt.c:75 > #12 0x00007ffff78ed6ba in start_thread (arg=0x7fffd67fe700) at > pthread_create.c:333 > #13 0x00007ffff741b41d in clone () at > ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 > > > > > Thread 11 "vs_epoll" received signal SIGABRT, Aborted. > 0x00007ffff7349428 in __GI_raise (sig=sig@entry=6) at > ../sysdeps/unix/sysv/linux/raise.c:54 > 54 ../sysdeps/unix/sysv/linux/raise.c: No such file or directory. > (gdb) bt > #0 0x00007ffff7349428 in __GI_raise (sig=sig@entry=6) at > ../sysdeps/unix/sysv/linux/raise.c:54 > #1 0x00007ffff734b02a in __GI_abort () at abort.c:89 > #2 0x00007ffff496d873 in os_panic () at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vppinfra/unix-misc.c:176 > #3 0x00007ffff48ce42c in debugger () at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vppinfra/error.c:84 > #4 0x00007ffff48ce864 in _clib_error (how_to_die=2, function_name=0x0, > line_number=0, fmt=0x7ffff4bfe1a0 "%s:%d (%s) assertion `%s' fails") > at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vppinfra/error.c:143 > #5 0x00007ffff4bcca7d in vcl_worker_get (wrk_index=4294967295) at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vcl/vcl_private.h:540 > #6 0x00007ffff4bccabe in vcl_worker_get_current () at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vcl/vcl_private.h:554 > #7 0x00007ffff4bd597a in vppcom_epoll_ctl (vep_handle=4278190080, op=1, > session_handle=4278190082, event=0x7fffd4dfb3b0) > at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vcl/vppcom.c:2152 > #8 0x00007ffff4bfd061 in vls_epoll_ctl (ep_vlsh=0, op=1, vlsh=2, > event=0x7fffd4dfb3b0) at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vcl/vcl_locked.c:787 > #9 0x00007ffff4e213b6 in epoll_ctl (epfd=32, op=1, fd=34, > event=0x7fffd4dfb3b0) at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vcl/ldp.c:2118 > #10 0x00007ffff4e12f88 in vpphs_ep_ctl_ops (epFD=-1, proFD=34, ctl_ops=0, > events=0x7fffd5190078, pdata=0x7fffd53f01d0) > at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/stacks/vpp/vpp/src/vcl/dmm_vcl_adpt.c:48 > #11 0x00007ffff7b4d502 in nsep_epctl_triggle (epi=0x7fffd5190018, > info=0x7fffd53f01d0, triggle_ops=0) at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/src/nSocket/nstack/event/epoll/nstack_eventpoll.c:134 > #12 0x00007ffff7b4de31 in nsep_insert_node (ep=0x7fffd50bffa8, > event=0x7fffd4dfb5a0, fdInfo=0x7fffd53f01d0) > at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/src/nSocket/nstack/event/epoll/nstack_eventpoll.c:250 > #13 0x00007ffff7b4e480 in nsep_epctl_add (ep=0x7fffd50bffa8, fd=22, > events=0x7fffd4dfb5a0) at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/src/nSocket/nstack/event/epoll/nstack_eventpoll.c:294 > #14 0x00007ffff7b44db0 in nstack_epoll_ctl (epfd=21, op=1, fd=22, > event=0x7fffd4dfb630) at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/src/nSocket/nstack/nstack_socket.c:2499 > #15 0x0000000000401e65 in process_server_msg_thread (pArgv=<optimized out>) > at > /home/root1/sharath/2019/vpp_ver/19.04/dmm/app_example/perf-test/multi_tcp_epoll_app_Ser.c:369 > #16 0x00007ffff78ed6ba in start_thread (arg=0x7fffd4dff700) at > pthread_create.c:333 > #17 0x00007ffff741b41d in clone () at > ../sysdeps/unix/sysv/linux/x86_64/clone.S:109 > > Thanks and Regards, > Sharath. > -=-=-=-=-=-=-=-=-=-=-=- > Links: You receive all messages sent to this group. > > View/Reply Online (#12665): https://lists.fd.io/g/vpp-dev/message/12665 > <https://lists.fd.io/g/vpp-dev/message/12665> > Mute This Topic: https://lists.fd.io/mt/30819724/675152 > <https://lists.fd.io/mt/30819724/675152> > Group Owner: vpp-dev+ow...@lists.fd.io <mailto:vpp-dev+ow...@lists.fd.io> > Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub > <https://lists.fd.io/g/vpp-dev/unsub> [fcoras.li...@gmail.com > <mailto:fcoras.li...@gmail.com>] > -=-=-=-=-=-=-=-=-=-=-=-
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