Date: Wed, 10 Jun 1998 19:12:33 +1000 From: Bruce Evans <bde@zeta.org.au> To: jdp@polstra.com, rb@gid.co.uk Cc: current@FreeBSD.ORG, phk@FreeBSD.ORG Subject: Re: Spurious SIGXCPU Message-ID: <199806100912.TAA05983@godzilla.zeta.org.au>
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>>Signal 24 is SIGXCPU (exceeded CPU time limit). Check your ulimit
>>settings ("limit" if you use csh) and your login.conf setup.
>
># limit
>cputime unlimited
>[etc]
>
>Checked that before showing my head above the parapet; and I did say
>"Doesn't seem to be repeatable" :-)
Apparently your process appeared to run for a negative amount of time.
p_runtime is unsigned (64 bits), so negative runtimes are interpreted
as huge runtimes, even huger than RLIMIT_INFINITY. This bug used to
be avoided by using signed variables even to hold values that should
be non-negative.
Bruce
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