Date: Fri, 4 Aug 2000 12:38:32 -0700 (PDT) From: Matthew Jacob <mjacob@feral.com> To: marius@soylent-green.org Cc: freebsd-scsi@FreeBSD.ORG Subject: Re: telling CAM to never timeout a transaction Message-ID: <Pine.BSF.4.10.10008041238240.76103-100000@beppo.feral.com> In-Reply-To: <20000804213657.A87057@alchemy.grabstein.net>
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Fix the da driver to have an infinite timeout On Fri, 4 Aug 2000 marius@soylent-green.org wrote: > hi > > could anyone tell me the parameter to make CAM never timeout a transaction ? > i need it to get rid of a problem with a dpt raid controller: > > Aug 4 13:16:13 newtrinity /kernel: (da0:dpt0:0:0:0): CCB 0xc83fd07c - timed out > Aug 4 13:16:13 newtrinity /kernel: (da0:dpt0:0:0:0): CCB 0xc83fd07c - timed out CCB already completed > > simon shapiro who did the freebsd support for dpt controllers told me to first check if the array has a lost disk which normally causes this problem but it hasn't > > he told me further this is a classic problem if the dpt firmware takes too long in the opinion of the cam abstraction layer to complete a transaction and then the dpt completes a "non-existing" transaction a while later > > i already wrote an email to justin gibbs to tell me the parameter but he unfortunately didn't reply > > i had a look to the cam sources but i didn't see something concerning disabling the timeout for transaction > > thanks > marius > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-scsi" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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