Herbert
2019-Apr-08 14:22 UTC
dovecot[30008]: auth-worker: Fatal: master: service(auth-worker): child 31074 killed with signal 11
Hi Since a recent DNF update, I see many log file entries like the following: Apr 08 16:16:36 udoo.symmetrix.ch audit[31074]: ANOM_ABEND auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:dovecot_auth_t:s0 pid=31074 comm="auth" exe="/usr/libexec/dovecot/auth" sig=11 res=1 Apr 08 16:16:36 udoo.symmetrix.ch kernel: traps: auth[31074] general protection fault ip:7ff45b5f98a7 sp:7fff0df96830 error:0 in libmariadb.so.3[7ff45b5d7000+46000] Apr 08 16:16:36 udoo.symmetrix.ch dovecot[30008]: auth-worker: Fatal: master: service(auth-worker): child 31074 killed with signal 11 (core not dumped - https://dovecot.org/bugreport.html#coredumps) Apr 08 16:16:38 udoo.symmetrix.ch abrt-dump-journal-oops[1139]: abrt-dump-journal-oops: Found oopses: 1 Apr 08 16:16:38 udoo.symmetrix.ch abrt-dump-journal-oops[1139]: abrt-dump-journal-oops: Creating problem directories Apr 08 16:16:39 udoo.symmetrix.ch abrt-dump-journal-oops[1139]: Reported 1 kernel oopses to Abrt Apr 08 16:16:39 udoo.symmetrix.ch abrt-server[31104]: Can't find a meaningful backtrace for hashing in '.' Apr 08 16:16:39 udoo.symmetrix.ch abrt-server[31104]: Option 'DropNotReportableOopses' is not configured Apr 08 16:16:39 udoo.symmetrix.ch abrt-server[31104]: Preserving oops '.' because DropNotReportableOopses is 'no' Apr 08 16:16:39 udoo.symmetrix.ch dbus-daemon[1022]: [system] Activating service name='org.freedesktop.problems' requested by ':1.779' (uid=0 pid=31122 comm="/usr/bin/python3 /usr/bin/abrt-action-notify -d /v" label="system_u:system_r:abrt_t:s0-s0:c0.c1023") (using servicehelper) Apr 08 16:16:40 udoo.symmetrix.ch dbus-daemon[1022]: [system] Successfully activated service 'org.freedesktop.problems' Apr 08 16:16:40 udoo.symmetrix.ch abrt-notification[31129]: System encountered a non-fatal error in ??() # uname -a Linux udoo.symmetrix.ch 5.0.5-100.fc28.x86_64 #1 SMP Wed Mar 27 22:16:29 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux # dovecot --version 2.3.5 (513208660) # mysql --version mysql? Ver 15.1 Distrib 10.2.22-MariaDB, for Linux (x86_64) using readline 5.1 Unfortunately I didn't manage to get a core dump, sorry. Kind regards, Herbert -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://dovecot.org/pipermail/dovecot/attachments/20190408/7383b97d/attachment.html>
John Fawcett
2019-Apr-09 07:18 UTC
dovecot[30008]: auth-worker: Fatal: master: service(auth-worker): child 31074 killed with signal 11
On 08/04/2019 16:22, Herbert via dovecot wrote:> Hi > > Since a recent DNF update, I see many log file entries like the following: > > Apr 08 16:16:36 udoo.symmetrix.ch audit[31074]: ANOM_ABEND > auid=4294967295 uid=0 gid=0 ses=4294967295 > subj=system_u:system_r:dovecot_auth_t:s0 pid=31074 comm="auth" > exe="/usr/libexec/dovecot/auth" sig=11 res=1 > Apr 08 16:16:36 udoo.symmetrix.ch kernel: traps: auth[31074] general > protection fault ip:7ff45b5f98a7 sp:7fff0df96830 error:0 in > libmariadb.so.3[7ff45b5d7000+46000] > Apr 08 16:16:36 udoo.symmetrix.ch dovecot[30008]: auth-worker: Fatal: > master: service(auth-worker): child 31074 killed with signal 11 (core > not dumped - https://dovecot.org/bugreport.html#coredumps) > Apr 08 16:16:38 udoo.symmetrix.ch abrt-dump-journal-oops[1139]: > abrt-dump-journal-oops: Found oopses: 1 > Apr 08 16:16:38 udoo.symmetrix.ch abrt-dump-journal-oops[1139]: > abrt-dump-journal-oops: Creating problem directories > Apr 08 16:16:39 udoo.symmetrix.ch abrt-dump-journal-oops[1139]: > Reported 1 kernel oopses to Abrt > Apr 08 16:16:39 udoo.symmetrix.ch abrt-server[31104]: Can't find a > meaningful backtrace for hashing in '.' > Apr 08 16:16:39 udoo.symmetrix.ch abrt-server[31104]: Option > 'DropNotReportableOopses' is not configured > Apr 08 16:16:39 udoo.symmetrix.ch abrt-server[31104]: Preserving oops > '.' because DropNotReportableOopses is 'no' > Apr 08 16:16:39 udoo.symmetrix.ch dbus-daemon[1022]: [system] > Activating service name='org.freedesktop.problems' requested by > ':1.779' (uid=0 pid=31122 comm="/usr/bin/python3 > /usr/bin/abrt-action-notify -d /v" > label="system_u:system_r:abrt_t:s0-s0:c0.c1023") (using servicehelper) > Apr 08 16:16:40 udoo.symmetrix.ch dbus-daemon[1022]: [system] > Successfully activated service 'org.freedesktop.problems' > Apr 08 16:16:40 udoo.symmetrix.ch abrt-notification[31129]: System > encountered a non-fatal error in ??() > > > # uname -a > Linux udoo.symmetrix.ch 5.0.5-100.fc28.x86_64 #1 SMP Wed Mar 27 > 22:16:29 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux > > # dovecot --version > 2.3.5 (513208660) > > # mysql --version > mysql? Ver 15.1 Distrib 10.2.22-MariaDB, for Linux (x86_64) using > readline 5.1 > > Unfortunately I didn't manage to get a core dump, sorry. > > Kind regards, > Herbert > >Herbert it's just a guess without a backtrace, but it looks similar to an already known issue of a double mysql_close. The code has not yet in a release but it's in the master-2.3 branch. If you are building from source you might be able to patch it yourself while waiting for the next 2.3.x release. https://github.com/dovecot/core/commit/8d78721bbf86657966750da3bcfc7fe9a92c7417 John -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://dovecot.org/pipermail/dovecot/attachments/20190409/9d4eeff9/attachment.html>