David Favor wrote:
Seems to have had something to do with pam occasionally losing it's
marbles.
I've removed pam from my config file and all works well now with latest
dovecot
with latest openssl development nightly snapshot.
- David
Timo Sirainen wrote:
On Sun, 2007-06-10 at 21:12 -0500, David Favor wrote:
The 20070605 version of dovecot starts up doing ssl protocol perfect,
then after clicking a few directories, then when clicking back to INBOX,
dovecot hangs. There is no logging info, even with --enable-debug
on and all .conf file directives I can find. Doing a 'ngrep port 993'
shows no SSL dialog.
1) Enable rawlog to see what were the last commands and their output.
http://dovecot.org/bugreport.html
2) strace the running imap process to see if it's just waiting in
epoll() or if it's doing something else.
There is no imap process to strace. Here's the ps -A | grep dovecot at the time:
dovecot dovecot 30905 30912 24 09:50 420 00:00:00 0.0 0.1 imap-login
imap-login
dovecot dovecot 30905 30913 24 09:50 420 00:00:00 0.0 0.1 imap-login
imap-login
dovecot dovecot 30905 30910 24 09:50 420 00:00:00 0.0 0.1 imap-login
imap-login
dovecot dovecot 30905 30911 24 09:50 424 00:00:00 0.0 0.1 imap-login
imap-login
root root 30111 326 23 10:04 240 00:00:00 0.0 0.0 grep
grep dovecot
root root 1 30905 24 09:50 264 00:00:00 0.0 0.0 dovecot \
/usr/local/pkgs/dovecot-20070605/sbin/dovecot -c
/tools/conf/dovecot.conf
root root 30905 30906 24 09:50 420 00:00:00 0.0 0.0 dovecot-auth
dovecot-auth
dovecot dovecot 30905 30909 24 09:50 272 00:00:00 0.0 0.1 imap-login
imap-login
My primary question is howto debug this hang, short of attaching gdb
to the process.
If it's not in epoll(), getting a gdb backtrace would be helpful too.
Hmm. Or the above things matter only if the problem is with imap process
and not with handling the SSL connection. So it would also be good to
know if it hangs also without SSL.
BTW. --enable-debug doesn't make Dovecot log any more than it normally
does. It instead enables some extra code that makes Dovecot do more
sanity checks so I can notice sooner if I break something. Unless you're
modifying Dovecot's sources yourself it most likely isn't very useful.
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