2.1.108 & Sendmail signal 13 errors

Michael Nelson (nelson@seahunt.imat.com)
Mon, 6 Jul 1998 16:37:36 -0700 (PDT)

Since upgrading from 2.1.106 to 2.1.108, I get several of these error
messages a day in syslog:

sendmail[2062]: QAA02061: SYSERR(root): mailer prog died with signal 13

I've recompiled sendmail (8.8.8, 8.9.0, and 8.9.1), it still does it. I am
running procmail v3.11pre7, and it seems to happen when sendmail is passing
the message off to procmail. I have recompiled procmail too, without effect.

I wouldn't normally think of this as a kernel issue, but if I drop back to
2.1.106, the errors stop... which makes me suspect something in the kernel.

This doesn't happen on every message, just 3 or 4 a day (and I get several
hundred a day due to the mailing lists I'm on). I'm puzzled. Signal 13
seems to be a SIGPIPE, looks like a pipe is being closed before the message
finishes getting handed off from sendmail to procmail. But I'm damned if I
know how to fix it.


Michael Nelson                                   nelson@seahunt.imat.com
San Francisco, CA                                   michaeln@csd.sgi.com

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