MFC of "Large set of CAM improvements" breaks I/O to Adaptec 29160 SCSI controller

[Andy Farkas]

On Wed, Apr 28, 2010 at 12:19 AM, Matthew Jacob <mj at feral.com> wrote:

> What do you mean by 'deadlock'?

All disk I/O stops.

eg. bonnie++ will get stuck in 'getblk' state, or rm will get stuck in
'biord' state.
bufdaemon gets stuck in 'wdrain' state.

The system will respond to pings but any process requiring disk access hangs.

Any help is appreciated, thanks.

-andyf