Date: Tue, 3 Mar 2009 12:03:23 +0100 From: Markus Hitter <mah@jump-ing.de> To: Ross Penner <ross.penner@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: powerd causing crash on Mini-ITX EN1200 Message-ID: <6667FB2D-BBB5-4E1D-B08D-B31679E04595@jump-ing.de> In-Reply-To: <f80199c40903030000g2fba7e57g91d06a498b6c2f04@mail.gmail.com> References: <f80199c40902260944q430b7faavd9fc7891c6ecb7b0@mail.gmail.com> <F5A1D5F3-5DBE-453D-8FEC-1AD034803922@jump-ing.de> <f80199c40903030000g2fba7e57g91d06a498b6c2f04@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Am 03.03.2009 um 09:00 schrieb Ross Penner:
> On Mon, Mar 2, 2009 at 2:13 AM, Markus Hitter <mah@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
- - - - - - - - - - - - - - - - - - -
Dipl. Ing. Markus Hitter
http://www.jump-ing.de/
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?6667FB2D-BBB5-4E1D-B08D-B31679E04595>