powerd causing crash on Mini-ITX EN1200

[Markus Hitter]

Am 03.03.2009 um 09:00 schrieb Ross Penner:

> On Mon, Mar 2, 2009 at 2:13 AM, Markus Hitter <mah at jump-ing.de> wrote:
>>
>> Am 26.02.2009 um 18:44 schrieb Ross Penner:
>>
>>> When I enable powerd, it is only but a matter of time before my
>>> machine will lock up completely. I've had this problem since I've
>>> migrated to FreeBSD 7 from 6. FreeBSD 6 never seemed to have any
>>> problems.
>>
>> As FreeBSD Stable is a continuous development, you have good  
>> chances to
>> narrow down the culprit by bisecting. The assumption is, one  
>> single SVN
>> commit broke your functionality and you just have to find out  
>> which one.
>>
>> Get sources from SVN, then switch to the earliest Stable/7 to  
>> confirm your
>> assumption ("it broke with 7"). If it works, check out a few  
>> thousand SVN
>> revisions later, try again. If it doesn't work, switch to an earlier
>> revision, a late Stable/6. Each step cuts the number of SVN  
>> revisions in
>> question in half, after some 10 or 12 iterations you're down to a  
>> single
>> revision.
>>
>> Having a single revision pretty much directly points you to what  
>> the problem
>> is. This helps developers very much and with some luck you can  
>> reverse-apply
>> this change to a more recent set of the sources.
>
> Thanks for the idea! is downgrading possible or will I have to  
> reinstall?

Downgrading is possible. "make buildkernel", "make buildworld", etc.


MarKus

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Dipl. Ing. Markus Hitter
http://www.jump-ing.de/