From: Mark Martinec (Mark.Martinec+postfixijs.si)
Date: Fri Nov 13 2009 - 12:08:06 CST

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On Friday 13 November 2009 18:52:03 Wietse Venema wrote:
> Thanks for the logging. If you have time, can you change the code
> to print information about the non-zero size? This could be a
> filesystem feature where ftruncate() does not reset st_size until
> the file is rewritten or closed (in which case my attempt to force
> easly release of disk blocks are in vain).

This is running on FreeBSD 7.2-RELEASE-p2. The usual UFS file system.

> *** ./smtpd_proxy.c.orig Mon Nov 9 19:41:50 2009
> --- ./smtpd_proxy.c Fri Nov 13 12:44:46 2009

Thanks, applied the patch.

$ tail -500 -f /var/log/mail.log | egrep -i 'panic|smtpd_proxy|speed-adjust'

Nov 13 19:04:14 dorothy postfix/smtpd[65777]: warning:
smtpd_proxy_replay_setup: non-zero speed-adjust logfile size: 20081
Nov 13 19:04:38 dorothy postfix/smtpd[65645]: warning:
smtpd_proxy_replay_setup: non-zero speed-adjust logfile size: 114
Nov 13 19:04:40 dorothy postfix/smtpd[65624]: warning:
smtpd_proxy_replay_setup: non-zero speed-adjust logfile size: 201
Nov 13 19:05:04 dorothy postfix/smtpd[67884]: warning:
smtpd_proxy_replay_setup: non-zero speed-adjust logfile size: 49
Nov 13 19:05:12 dorothy postfix/smtpd[68082]: warning:
smtpd_proxy_replay_setup: non-zero speed-adjust logfile size: 37
Nov 13 19:05:21 dorothy postfix/smtpd[68339]: warning:
smtpd_proxy_replay_setup: non-zero speed-adjust logfile size: 37
Nov 13 19:05:45 dorothy postfix/smtpd[67901]: warning:
smtpd_proxy_replay_setup: non-zero speed-adjust logfile size: 43
Nov 13 19:05:45 dorothy postfix/smtpd[67884]: warning:
smtpd_proxy_replay_setup: non-zero speed-adjust logfile size: 31
Nov 13 19:06:01 dorothy postfix/smtpd[68614]: warning:
smtpd_proxy_replay_setup: non-zero speed-adjust logfile size: 26
Nov 13 19:06:12 dorothy postfix/smtpd[67997]: warning:
smtpd_proxy_replay_setup: non-zero speed-adjust logfile size: 25
Nov 13 19:06:13 dorothy postfix/smtpd[68397]: warning:
smtpd_proxy_replay_setup: non-zero speed-adjust logfile size: 32
Nov 13 19:06:19 dorothy postfix/smtpd[68557]: warning:
smtpd_proxy_replay_setup: non-zero speed-adjust logfile size: 31
Nov 13 19:06:22 dorothy postfix/smtpd[68064]: warning:
smtpd_proxy_replay_setup: non-zero speed-adjust logfile size: 26
Nov 13 19:06:23 dorothy postfix/smtpd[68155]: warning:
smtpd_proxy_replay_setup: non-zero speed-adjust logfile size: 35
Nov 13 19:06:23 dorothy postfix/smtpd[67953]: warning:
smtpd_proxy_replay_setup: non-zero speed-adjust logfile size: 218
Nov 13 19:06:26 dorothy postfix/smtpd[67999]: warning:
smtpd_proxy_replay_setup: non-zero speed-adjust logfile size: 37
Nov 13 19:06:27 dorothy postfix/smtpd[68670]: warning:
smtpd_proxy_replay_setup: non-zero speed-adjust logfile size: 38

but no more panics.

  Mark

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