Date: Tue, 05 May 2009 09:49:16 +0200 From: Miroslav Lachman <000.fbsd@quip.cz> To: freebsd-current@freebsd.org Cc: Mark Powell <M.S.Powell@salford.ac.uk> Subject: Re: ata FLUSHCACHE timeout errors? [patch] Message-ID: <49FFEF7C.6030005@quip.cz> In-Reply-To: <20090416104803.O88758@rust.salford.ac.uk> References: <49E4CED7.2040206@jrv.org> <49E69F7C.9020402@jrv.org> <20090416104803.O88758@rust.salford.ac.uk>
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Mark Powell wrote: > On Wed, 15 Apr 2009, James R. Van Artsdalen wrote: > >> James R. Van Artsdalen wrote: >> >>> I am getting many FLUSHCACHE timeout errors during "zfs recv" >>> operations. >> >> >> This patch fixes this. PR to be filed. >> In addition this causes any ata request that times out to print the >> timeout, since it's going to be the timeout itself that's likely wrong. > > > This is well known and had been repeated ad. inf.. Problem is, it never > got addressed: > > http://wiki.freebsd.org/JeremyChadwick/ATA_issues_and_troubleshooting > > Attached is an 8-CURRENT patch which makes the ata timeout a tuneable. > Shamelessy ripped off the FreeNAS patch on the above url. > Cheers. Is there any possibility to have it committed in to the tree? It seems useful, I have timeout problems [READ_DMA timed out] on few machines and this (tunable / longer timeout) should definitely fix it. Miroslav Lachman
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