Crash when issueing shutdown -r now

Scott Long scottl at
Thu Apr 19 22:08:10 UTC 2007

Gelsema, P (Patrick) wrote:
> On Thu, April 19, 2007 16:17, Scott Long wrote:
>> 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.
>>> 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.


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