Date: Sat, 29 Jun 2002 15:46:17 +0200 (CEST) From: Soeren Schmidt <sos@freebsd.dk> To: Nuno Teixeira <nunotex@pt-quorum.com> Cc: freebsd-stable@freebsd.org Subject: Re: hw.ata.tags="1" && hw.ata.wc="0": invalidating queued requests? Message-ID: <200206291346.g5TDkHd9074854@freebsd.dk> In-Reply-To: <20020625195533.GA267@gw.tex.bogus>
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It seems Nuno Teixeira wrote: > > Hello to all, > > For a long time that I am seeking over the groups about ata tags and > write cache. What I heard is that when hw.ata.tags is activated, > hw.ata.wc is ignored. I tested my system with: > > - softupdates enabled in all filesystems > > - ad0: 29314MB <IBM-DTLA-307030> [59560/16/63] at ata0-master tagged > UDMA33 > > - /boot/loader.conf: > > hw.ata.tags="1" > hw.ata.wc="0" > > and the system gives a lot of errors (without crashing) like: > (...) > When I use hw.ata.tags="1" && hw.ata.wc="1" the the system runs without > any problems. > > Am I missing something? You can only do tags when WC is enabled, the updated driver in 4.6 forward wil do this automagically... -Søren To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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