Date: Mon, 16 Jun 2003 08:22:01 +0200 (CEST) From: Thorsten Schroeder <ths@katjusha.de> To: current@freebsd.org Subject: Re: qmail uses 100% cpu after FreeBSD-5.0 to 5.1 upgrade Message-ID: <Pine.BSF.4.55.0306160817250.48094@typhaon.so36.net> In-Reply-To: <87of0y3l98.fsf@PECTOPAH.shenton.org> References: <87of0y3l98.fsf@PECTOPAH.shenton.org>
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Hi,
On Mon, 15 Jun 2003, Chris Shenton wrote:
> [...] qmail is run under daemontools and all work fine (the configuration
> is 2 years old!), but when I delivery the first mail (localy or remote)
> the qmail-send process fire up to 100% of CPU infinitely
>
> All other mail are right delivery, and the CPU use is the only problem, I
> see in qmail-send.c that select() function, after the first message,
> allways return 1
same here too.
I don't know what it could be - perhaps a problem with named pipes
("lock/trigger")?
You can find my ktrace output here: http://cs.so36.net/~ths/kdump.txt
Would be nice if anyone have an idea :)
> A truss shows me it's running in a tight loop over this code:
> close(9) = 0 (0x0)
> select(0x9,0xbfbffcbc,0xbfbffc3c,0x0,0xbfbffc24) = 1 (0x1)
> Anyone else seen this or know what in FreeBSD-5.1 might have changed to cause
> this? Any thoughts on how I might go about diagnosing this any better?
greetings,
thorsten
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