Omer Guven via Postfix-users:
> Hi!
>
> I'm getting frequent segfault errors in my kernel logs for the
> smtp process. This began with the first January release (approximately)
> and seems to be persisting since then.
Well, that is timely, I was just going to release Postfix 3.10.0 today.
> [ 4641.047509] smtp[3411]: segfault at 8 ip 00005603ae9767f9 sp
> 00007fff2354a170 error 4 in smtp[627f9,5603ae923000+54000] likely on CPU 2
> (core 2, socket 0)
...
> I can't really find any meaningful error logs nor warnings in the
> Postfix logs that could be related to these segfault messages.
Can you turn on debug logging with:
postconf -F "smtp/unix/command = smtp -v"
postfix reload
Then "grep" for the process ID of a segfaulting process.
Alternatively, try instructions in one or more of:
https://www.postfix.org/DEBUG_README.html#gdb
https://www.postfix.org/DEBUG_README.html#auto_trace
It would also be good to know how Postfix is configured.
For that, I would need the output from:
postconf -nf
postconf -Mf
No need to send that to the mailing list.
Wietse
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