Kernel panic when unpluggin AC adaptor

[Garrett Cooper]

On Mon, May 3, 2010 at 2:57 PM, David DEMELIER <demelier.david at gmail.com> wrote:
> 2010/5/3 David DEMELIER <demelier.david at gmail.com>:
>> Hi,
>>
>> I just updated my 8.0-STABLE/amd64 today around 17h CEST, and it just
>> panics when I unplug my AC.  The current process = 11 (idle: cpu1) is
>> this related to the cpufreq and related stuff ?
>>
>> It also says cannot dump. Device not defined or unavailable so I can't
>> give you more infos now.
>>
>
> I can confirm that :
>
> #performance_cx_lowest="HIGH"
> #performance_cpu_freq=${performance_cx_lowest}
> #economy_cx_lowest="LOW"
> #economy_cpu_freq=${economy_cx_lowest}
>
> in rc.conf was the problem.

    Set dumpdev in /boot/loader.conf to your swap device, reboot, and
then try to reproduce the issue.
Cheers,
-Garrett