Date: Thu, 19 Apr 2007 08:17:35 -0600 From: Scott Long <scottl@samsco.org> To: =?ISO-8859-1?Q?Dag-Erling_Sm=F8rgrav?= <des@des.no> Cc: freebsd-current@freebsd.org, "Gelsema, P \(Patrick\)" <gelsemap@superhero.nl> Subject: Re: Crash when issueing shutdown -r now Message-ID: <462779FF.6040805@samsco.org> In-Reply-To: <86647sa5nc.fsf@dwp.des.no> References: <200704182239.59842.gelsemap@superhero.nl> <86tzvcvaai.fsf@dwp.des.no> <31439.195.50.100.20.1176984826.squirrel@www.superhero.nl> <86647sa5nc.fsf@dwp.des.no>
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Dag-Erling Smørgrav wrote: > "Gelsema, P \(Patrick\)" <gelsemap@superhero.nl> writes: >> On Thu, April 19, 2007 14:05, Dag-Erling Smørgrav wrote: >>> Do you have an Adaptec SCSI controller, and if so, do you use it? >> I do have an Adaptec SCSI Controller, and yes I use it. I boot from it. > > OK. There's a known locking bug in the ahd driver. You might try > reverting your source tree to a pre-MPSAFE-CAM version; try > 2007/04/14. > > DES Actually, just hang on for a few more hours and I'll have a fix committed. Oddly, this problem only shows up on amd64, though it's a major deadlock risk on any platform. I'm a bit disappointed in how serious of a problem it is. Scott
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