At 10:17 PM -0500 2003/07/20, Paul H Byerly wrote:
> My main mail logs have this entry 11 times in one second. > > Jul 18 22:30:31 svr01 sendmail[24527]: h6J3UVp24527: 7: fl=0x0, > mode=100644: size=12288 > Jul 18 22:30:31 svr01 sendmail[24527]: h6J3UVp24527: SYSERR(root): > cannot flock(/etc/mail/access.db, fd=7, type=1, omode=37777777777, > euid=0): No locks available
As far as sendmail is concerned, this is a pretty serious problem. This could be the fault of a kernel that is not configured sufficiently well to properly host the mailing list. You may need to edit your kernel definitions, recompile and relink it, then reboot. This may need to be done several times, in order to find a suitable value for this number. You may be lucky enough to find that this value can be tuned interactively, without actually rebuilding the kernel.
That new server in October is looking better and better. This server has been running e-mail for just over a year, and Mailman for a month, and these 2 are the first this has happened.
Or, this could be the fault of processes grabbing too many locks and not releasing them. In that case, the only thing you can do immediately is to reboot the box, but the misbehaved programs should be found and fixed or you'll just have to go through this over and over again.
The error message seems to support that. Killing the PID does the trick, which sure beats rebooting.
> Which seems to be the end of it - except that mail man would > not let go. I let it run 15 minutes the second time, to see if it > would die on it's own.
Mailman should not let this go, but then it also should not be re-trying so quickly. It should schedule a re-try later, and give the system time to recover before the next attempt. This re-try timeout should be measured in terms of minutes or hours, not seconds or micro-seconds.
Either a patch or 2.1.3 should take care of that - waiting for some word on that fix.
<>< Paul
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