Date: Fri, 7 Mar 2003 13:26:15 -0800 From: David Schultz <das@FreeBSD.ORG> To: "Marc G. Fournier" <scrappy@hub.org> Cc: Scott Long <scott_long@btc.adaptec.com>, freebsd-stable@FreeBSD.ORG Subject: Re: bug in aac driver ... ? Message-ID: <20030307212615.GA63881@HAL9000.homeunix.com> In-Reply-To: <20030307143810.O18433@hub.org> References: <20030305224856.R38115@hub.org> <20030307090449.GB61037@HAL9000.homeunix.com> <3E68B705.4070409@btc.adaptec.com> <20030307143810.O18433@hub.org>
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Thus spake Marc G. Fournier <scrappy@hub.org>: > > David Schultz wrote: > > > I don't know why VM_KMEM_SIZE would tickle a RAID controller > > > problem, but I've seen timeout message similar to the one you > > > describe with a flaky SCSI controller. (Try statically compiling > > > all relevant drivers into the kernel if you're not already.) The > > > fix for me was to reduce the tag depth with camcontrol. Try a > > > value around 8 or so; there shouldn't be much, if any, of a > > > performance difference. > > > > > > camcontrol tags devicename -N8 > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > > with "unsubscribe freebsd-stable" in the body of the message > > > > The aac driver does not use the CAM SCSI interface for accessing its > > RAID arrays, so changing parameters there will have no effect. > > Oh good, I thought I was doing something wrong when I kept getting errors > trying to access it through camcontrol :) Brain fart, my apologies. aac != ahc To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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