[Dovecot] 1.2.17 Program terminated with signal 11, Segmentation fault.

Andrew Hearn andrew.hearn at aa.net.uk
Mon Oct 3 13:35:51 EEST 2011


Hello,

We've had seg faults a couple of times a day on our servers, we upgraded 
to 1.2.17 and still have them.

running a coredump through dbg says:

Reading symbols from /usr/local/libexec/dovecot/imap-login...done.
[New Thread 27962]
Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols 
found)...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2

warning: no loadable sections found in added symbol-file system-supplied 
DSO at 0x7fff083f4000
Core was generated by `imap-login -D'.
Program terminated with signal 11, Segmentation fault.
#0  0x000000000041388b in io_file_unlink (_io=<value optimized out>, 
closed=true) at ioloop.c:70
70		if (io->next != NULL)



dovecot -n is at http://pastebin.ca/SQjrseJD (pass timo)

Linux 2.6.18-274.3.1.el5 #1 SMP Tue Sep 6 20:13:52 EDT 2011 x86_64 
x86_64 x86_64 GNU/Linux

We use NFS for mail store, and ramdisk for dovecot indexes. We do run 
the mail_log plugin.

Let me know if you need any more info though.


-- 
Andrew Hearn.
AAISP Technical Support Team Leader
Tel: 03333 400999


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