Wietse Venema:
> Devdas Bhagat:
> > The last error messages I get are these:
> > Sep 8 13:54:37 jaundiced-outlook postfix/smtp[7998]: warning: problem
> > talking to service private/scache: Connection timed out
> > Sep 8 13:54:37 jaundiced-outlook postfix/smtp[20375]: warning: problem
> > talking to service private/scache: Connection timed out
> > Sep 8 13:54:37 jaundiced-outlook postfix/smtp[7960]: warning: problem
> > talking to service private/scache: Connection timed out
> > Sep 8 13:54:37 jaundiced-outlook postfix/smtp[17618]: warning: problem
> > talking to service private/scache: Connection timed out
> > <snip about 600 similar lines about this problem>
> > Sep 8 14:10:56 jaundiced-outlook postfix/master[11125]: fatal: watchdog
> > timeout
> > Sep 8 14:10:56 jaundiced-outlook postfix/qmgr[13568]: fatal: watchdog
> > timeout
>
> I think that the kernel is running out of steam.
>
> Try reducing the concurrency.
>
> The master daemon triggers qmgr and pickup regularly. That "trigger"
> write is non-blocking with a timeout of 1, so it cannot block the
> master daemon. Except of course when the kernel is messed up.
Hmm, except that write_buf() will retry the write() after en EAGAIN
error. So to be really smart, write_buf() should watch the clock and
break the loop when the time expires.
Wietse