Date: Sun, 24 Apr 2005 11:08:15 +0200 From: =?ISO-8859-1?Q?S=F8ren_Schmidt?= <sos@DeepCore.dk> To: Paul Mather <paul@gromit.dlib.vt.edu> Cc: freebsd-current@freebsd.org Subject: Re: Fatal TIMEOUT - WRITE_DMA errors return with ATA Mk.III Message-ID: <426B61FF.80001@DeepCore.dk> In-Reply-To: <1114305707.71309.40.camel@zappa.Chelsea-Ct.Org> References: <1114305707.71309.40.camel@zappa.Chelsea-Ct.Org>
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Paul Mather wrote: > Since somewhere in the 5.x release cycle, my system has fallen prey to > the "TIMEOUT - WRITE_DMA" errors which result in the drive becoming > detached (which causes my geom_mirror to break and require rebuilding).= > According to smartctl and disk diagnostics, there's nothing wrong with > my drives. Plus, the problem does not manifest itself under 4-STABLE. > (I'm not the only one to have reported this problem.) >=20 > Lately, I'd had success using a patch posted to freebsd-current by Ian > Dowse. The "TIMEOUT - WRITE_DMA" errors still occurred, but they > weren't fatal. I updated my kernel and world recently, and, alas, the > "TIMEOUT - WRITE_DMA" problem has returned once more: You should try a recent -current, I committed cleanups to the timeout=20 system on the 21'st. You might still have timeouts (which might due to=20 non-ATA issues) but they should not be fatal unless the HW really does=20 screw up.. --=20 -S=F8ren
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