Date: Mon, 16 Jun 2003 16:37:02 +1000 From: Tim Robbins <tjr@freebsd.org> To: Chris Shenton <chris@shenton.org> Cc: current@freebsd.org Subject: Re: qmail uses 100% cpu after FreeBSD-5.0 to 5.1 upgrade Message-ID: <20030616163701.A56231@dilbert.robbins.dropbear.id.au> In-Reply-To: <20030616160951.A29962@dilbert.robbins.dropbear.id.au>; from tjr@freebsd.org on Mon, Jun 16, 2003 at 04:09:51PM %2B1000 References: <87of0y3l98.fsf@PECTOPAH.shenton.org> <20030616160951.A29962@dilbert.robbins.dropbear.id.au>
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On Mon, Jun 16, 2003 at 04:09:51PM +1000, Tim Robbins wrote: > On Sun, Jun 15, 2003 at 08:43:15PM -0400, Chris Shenton wrote: > > > I've been running qmail for years and like it, installed pretty much > > per www.LifeWithQmail.org. My main system was running FreeBSD > > 5.0-RELEASE and -CURRENT and qmail was fine. When I just upgraded to > > 5.1-CURRENT a couple days back, the qmail-send process started using > > all CPU. > > This looks like a bug in the named pipe code. Reverting > sys/fs/fifofs/fifo_vnops.c to the RELENG_5_0 version makes the problem go > away. I haven't tracked down exactly what change between RELENG_5_0 and > RELENG_5_1 caused the problem. Looks like revision 1.86 works, but it stops working with 1.87. Moving the soclose() calls to fifo_inactive() may have caused it. Tim
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