Crash when issueing shutdown -r now

Scott Long scottl at
Thu Apr 19 14:17:57 UTC 2007

Dag-Erling Smørgrav wrote:
> "Gelsema, P \(Patrick\)" <gelsemap at> 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.

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.


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