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

[Matthew Jacob]

On 04/27/2010 01:08 PM, Andy Farkas wrote:
> 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.
>
> -a
>    

Does anything time out (eventually)?