Date: Sat, 10 Apr 2010 01:07:36 +0200 From: Jilles Tjoelker <jilles@stack.nl> To: Attilio Rao <attilio@freebsd.org> Cc: Ed Maste <emaste@sandvine.com>, freebsd-arch@freebsd.org Subject: Re: so_rcv_sx, deadlkres, SIGSTOP Message-ID: <20100409230736.GA7317@stack.nl> In-Reply-To: <q2s3bbf2fe11004080257t8eeccb1dhdf90913dee28bc2f@mail.gmail.com> References: <20100404175140.GB40499@stack.nl> <q2s3bbf2fe11004080257t8eeccb1dhdf90913dee28bc2f@mail.gmail.com>
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On Thu, Apr 08, 2010 at 11:57:10AM +0200, Attilio Rao wrote: > Jilles, > may you please try this patch?: > http://www.freebsd.org/~attilio/Sandvine/deadlkres/deadlkres-blessed.diff > It does introduce a blessed list where the sx_lock can be whitelisted. > It also fixes, for long sleeps, the wrap-up of ticks object. > The obvious fallout is that deadlkres can't help much with deadlocks > for whitelisted sxlock or lockmgr but that is a fair price I think. This fixes the inappropriate deadlkres triggering for me. -- Jilles Tjoelker
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