[ovs-build] Errored: ovsrobot/ovs#2405 (series_166122 - 1d81c06)

Travis CI builds at travis-ci.org
Mon Mar 23 18:07:33 UTC 2020

Build Update for ovsrobot/ovs

Build: #2405
Status: Errored

Duration: 58 mins and 46 secs
Commit: 1d81c06 (series_166122)
Author: William Tu
Message: fatal-signal: Log backtrace when no monitor daemon.

Currently the backtrace logging is only available when monitor
daemon is running.  This patch enables backtrace logging when
no monitor daemon exists.  At signal handling context, it detects
whether monitor daemon exists.  If not, write directly the backtrace
to the vlog fd.  Note that using VLOG_* macro doesn't work due to
it's buffer I/O, so this patch directly issue write() syscall to
the file descriptor.

For some system we stop using monitor daemon and use systemd to
monitor ovs-vswitchd, thus need this patch. Example of
ovs-vswitchd.log (note that there is no timestamp printed):
  2020-03-23T14:42:12.949Z|00049|memory|INFO|175332 kB peak resident
  2020-03-23T14:42:12.949Z|00050|memory|INFO|handlers:2 ports:3 reva
  SIGSEGV detected, backtrace:
  0x0000000000486969 <fatal_signal_handler+0x49>
  0x00007f7f5e57f4b0 <killpg+0x40>
  0x000000000047daa8 <pmd_thread_main+0x238>
  0x0000000000504edd <ovsthread_wrapper+0x7d>
  0x00007f7f5f0476ba <start_thread+0xca>
  0x00007f7f5e65141d <clone+0x6d>
  0x0000000000000000 <+0x0>

Signed-off-by: William Tu <u9012063 at gmail.com>
Signed-off-by: 0-day Robot <robot at bytheb.org>

View the changeset: https://github.com/ovsrobot/ovs/commit/1d81c066a537

View the full build log and details: https://travis-ci.org/github/ovsrobot/ovs/builds/665950768?utm_medium=notification&utm_source=email


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