On Wed, 08 Jul 2009 13:12:39 -0400, Timo Sirainen t...@iki.fi wrote:
On Wed, 2009-07-08 at 10:56 -0400, Andrew Schulman wrote:
messages.4.gz:Jul 2 12:26:24 helium kernel: dovecot-auth[26364]:
segfault at 10008 ip 7faf466441eb sp 7fff50a3f260 error 4 in
libc-2.9.so[7faf465d2000+149000]
On Jul 11, 2009, at 2:37 AM, Andrew Schulman wrote:
Good news: I got a core file from a segfault. Bad news: I'm using a
standard Debian package with no debugging symbols. Backtrace is
below, but
it looks as though it's not going to be very useful.
I suppose that in order to get a useful
#2 0x7f06ac1f854f in calloc () from /lib/libc.so.6
The crash is in memory allocation, which means something had corrupted
memory already. The only way to really solve this would be to run
dovecot-auth via valgrind:
auth_executable = /usr/bin/valgrind /usr/lib/dovecot/imap/dovecot-auth
OK, I restarted dovecot with
auth_executable = /usr/bin/valgrind --log-file=/var/run/dovecot/valgrind.%p
/usr/lib/dovecot/dovecot-auth
as you suggested. My dovecot-auth process just quit:
Jul 11 17:50:33 helium dovecot: auth(default):
worker-server(andrex,127.0.0.1): Aborted: Worker process
On Jul 11, 2009, at 6:06 PM, Andrew Schulman wrote:
OK, I restarted dovecot with
auth_executable = /usr/bin/valgrind --log-file=/var/run/dovecot/
valgrind.%p
/usr/lib/dovecot/dovecot-auth
as you suggested. My dovecot-auth process just quit:
Jul 11 17:50:33 helium dovecot: auth(default):
Package: dovecot-common
Version: 1:1.1.16-1
Severity: important
Several times a day, dovecot-auth crashes, disconnecting the connected
users of course. syslog output from one day is below. Thanks, Andrew.
messages.4.gz:Jul 2 12:26:24 helium kernel: dovecot-auth[26364]: segfault at
10008
On Wed, 2009-07-08 at 10:56 -0400, Andrew Schulman wrote:
messages.4.gz:Jul 2 12:26:24 helium kernel: dovecot-auth[26364]: segfault at
10008 ip 7faf466441eb sp 7fff50a3f260 error 4 in
libc-2.9.so[7faf465d2000+149000]
Any chance of getting a gdb backtrace?
Any chance of getting a gdb backtrace?
http://dovecot.org/bugreport.html
Sure, but it looks a little involved. I'll work on this and report back
when I have it.
Also show your dovecot -n output.
# dovecot -n
# 1.1.16: /etc/dovecot/dovecot.conf
# OS: Linux 2.6.26 x86_64 Debian squeeze/sid
On Wed, 2009-07-08 at 10:56 -0400, Andrew Schulman wrote:
Several times a day, dovecot-auth crashes, disconnecting the connected
users of course. syslog output from one day is below. Thanks, Andrew.
messages.4.gz:Jul 2 12:26:24 helium kernel: dovecot-auth[26364]: segfault at
10008 ip
On Wed, 08 Jul 2009 13:42:33 -0400, Timo Sirainen t...@iki.fi wrote:
On Wed, 2009-07-08 at 10:56 -0400, Andrew Schulman wrote:
Several times a day, dovecot-auth crashes, disconnecting the connected
users of course. syslog output from one day is below. Thanks, Andrew.
messages.4.gz:Jul 2
On Wed, 2009-07-08 at 14:03 -0400, Andrew Schulman wrote:
Jul 2 12:26:24 helium dovecot: child 26364 (auth-worker) killed with
signal 11 (core dumps disabled)
It's possible that the crash comes from PAM plugins. You could try if
setting auth_worker_max_request_count to somewhat low value (or
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