Date: Sat, 25 Sep 2010 13:45:44 +1000 From: Lawrence Stewart <lstewart@freebsd.org> To: Marius Strobl <marius@FreeBSD.org> Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org, src-committers@FreeBSD.org Subject: Re: svn commit: r213105 - head/sys/dev/mpt Message-ID: <4C9D7068.2010100@freebsd.org> In-Reply-To: <201009241640.o8OGelKS031911@svn.freebsd.org> References: <201009241640.o8OGelKS031911@svn.freebsd.org>
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Hi Marius, On 09/25/10 02:40, Marius Strobl wrote: > Author: marius > Date: Fri Sep 24 16:40:46 2010 > New Revision: 213105 > URL: http://svn.freebsd.org/changeset/base/213105 > > Log: > Improve r56796; the reply handler actually may remove the request from > the chain in which case it shouldn't be removed twice. > Reported by: Staale Kristoffersen Can you please provide a bit of extra commentary about the symptoms of the issue this patch addresses? Like Staale, I'm running a FreeBSD server which uses mpt for its disk subsystem (SunFire X4100 with 2 x SATA 2.5" disks in RAID-1) and I've had a series of long running problems with the performance of the controller. I'm keeping a close eye on all mpt related commits and hope to find the cause sometime. Cheers, Lawrence
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