[Dovecot] new crash in dovecot-auth test51

[Dan Sully]

* Timo Sirainen <tss at iki.fi> shaped the electrons to say...

>>#0  io_remove (io=0x0) at ioloop.c:51
>>#1  0x0804fd68 in auth_client_connection_destroy_wait (conn=0x80877d8) 
>>at auth-client-connection.c:494
>
>This crash is fixed now.
>
>>dovecot: Oct 28 09:31:28 Warning: auth(vpopmail): Authentication 
>>client 8908: Transmit buffer full, killing it
>
>Wonder why these happen though.. How many logins/sec do you get? Have 
>you set login_process_per_connection = no?

Not that many - and I have now. Unfortunately it doesn't seem to make a
difference - with the patch in auth-client-connection applied, or direct from cvs:

dovecot: Nov 01 09:18:11 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:11 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:11 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:11 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:11 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:11 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:11 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:11 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:11 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:11 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:11 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:11 Error: auth(vpopmail): Sending log messages too fast, throttling..
dovecot: Nov 01 09:18:13 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:13 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:13 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:13 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:13 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:13 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:13 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:13 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:13 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:13 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:13 Warning: auth(vpopmail): Authentication client 1519: Transmit buffer full, killing it
dovecot: Nov 01 09:18:15 Warning: imap-login: Error sending request to auth server: Connection reset by peer
dovecot: Nov 01 09:18:15 Error: child 1519 (login) killed with signal 11

It's not generating a core file right now either.

-D
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