Date: Tue, 27 Apr 2010 14:12:43 -0600 From: Scott Long <scottl@samsco.org> To: Andy Farkas <chuzzwassa@gmail.com> Cc: freebsd-scsi@freebsd.org Subject: Re: MFC of "Large set of CAM improvements" breaks I/O to Adaptec 29160 SCSI controller Message-ID: <FF85D166-AF30-4BC1-BC74-C4B6E3748387@samsco.org> In-Reply-To: <o2rff80e6381004271308l302a7173qe2dbcd4e4f038305@mail.gmail.com> References: <E1O6ilc-0000GP-Q3@dilbert.ticketswitch.com> <4BD6F266.5080403@feral.com> <o2rff80e6381004271308l302a7173qe2dbcd4e4f038305@mail.gmail.com>
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On Apr 27, 2010, at 2:08 PM, Andy Farkas wrote: > On Wed, Apr 28, 2010 at 12:19 AM, Matthew Jacob <mj@feral.com> wrote: >=20 >> What do you mean by 'deadlock'? >=20 > All disk I/O stops. >=20 > eg. bonnie++ will get stuck in 'getblk' state, or rm will get stuck in > 'biord' state. > bufdaemon gets stuck in 'wdrain' state. >=20 > The system will respond to pings but any process requiring disk access = hangs. >=20 > Any help is appreciated, thanks. >=20 ACK. It'll take a little bit to unwind the problem out of that big = commit, and I'm consumed with finals and work at the moment. If someone = else doesn't fix it in the next few days, I'm going to propose that the = entire commit be reverted. Scott
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