Date: Thu, 19 Apr 2007 16:07:44 -0600 From: Scott Long <scottl@samsco.org> To: "Gelsema, P \(Patrick\)" <gelsemap@superhero.nl> Cc: =?ISO-8859-1?Q?Dag-Erling_Sm=F8rgrav?= <des@des.no>, freebsd-current@freebsd.org Subject: Re: Crash when issueing shutdown -r now Message-ID: <4627E830.8060507@samsco.org> In-Reply-To: <4840.10.202.77.103.1177020302.squirrel@webmail.superhero.nl> 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> <462779FF.6040805@samsco.org> <4840.10.202.77.103.1177020302.squirrel@webmail.superhero.nl>
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Gelsema, P (Patrick) wrote: > On Thu, April 19, 2007 16:17, Scott Long wrote: >> 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 >> > > Hi Scott, > > I did notice some commits regarding CAM code so I did a cvsup, rebuild > world and kernel and rebooted. > > The first LOR after reboot seems to be gone. All the actions I performed > to create the first LOR do not throw one anymore. So this one seems to be > ok. Thanks for that! > > The second LOR when rebooting/shutting down is still there in a slightly > altered form. Seems to be the same type of problem as the first LOR. See > excerpt from logs below. > Looks like I missed placing an unlock somewhere. Thanks for the report. Scott
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