Seeing a lot of this in the messages log May 29 18:03:01 mail kernel: pid 99745 (perl), uid 0: exited on signal 11 (core dumped) May 29 18:03:03 mail kernel: pid 457 (perl), uid 0: exited on signal 11 (core dumped) May 29 18:03:06 mail kernel: pid 1456 (perl), uid 0: exited on signal 11 (core dumped) May 29 18:03:08 mail kernel: pid 2221 (perl), uid 0: exited on signal 11 (core dumped) May 29 18:03:23 mail kernel: pid 14865 (perl), uid 58: exited on signal 11 May 29 18:04:26 mail kernel: pid 6373 (perl), uid 58: exited on signal 11 May 29 18:06:12 mail kernel: pid 10588 (perl), uid 58: exited on signal 11
perl is used by SpamAssassin (only, I believe). I see some sporadic other spamd logged errors in the same log file, but they seem to be several minutes off from the core dumps and signal 11 errors. May 29 17:56:09 mail postfix/cleanup[4024]: warning: milter unix:/var/run/spamass-milter.sock: can't read SMFIC_BODYEOB reply packet header: Operation timed out May 29 17:59:12 mail dovecot: imap(*user*)<86517><stuff>: Error: program `/usr/lib/dovecot/sieve/sa-learn-spam.sh' terminated abnormally, signal 11 May 29 17:59:12 mail dovecot: imap(*user*)<86517><stuff>: Error: sieve: pipe action: failed to pipe message to program `sa-learn-spam.sh': refer to server log for more information. [2019-05-29 17:59:12] May 29 17:59:12 mail dovecot: imap(*user*)<86517><stuff>: Error: sieve: Execution of script /usr/lib/dovecot/sieve/report-spam.sieve failed May 29 18:06:11 mail spamd[10588]: bgread: received a 254 bytes packet from 127.0.0.1, decoded 45 bytes
