[LAU] random system lockups, memtest clean, no idea... Magic sysrq?

[david]

Loki Davison wrote:
> On Wed, Nov 19, 2008 at 4:46 PM, david <gnome at hawaii.rr.com> wrote:
>> hollunder at gmx.at wrote:
>>> On Tue, 18 Nov 2008 21:13:04 -0800
>>> Kevin Cosgrove <kevinc at cosgroves.us> wrote:
>>>
>>>> On 19 November 2008 at 16:11, "Loki Davison" <loki.davison at gmail.com>
>>>> wrote:
>>>>
>>>>> mmm... so a mobo problem... that would be annoying. Does that
>>>>> actually happen?
>>>> I had to have an ABIT board serviced.  I never did put it back into
>>>> my machine.  But yes, it quit powering up.
>>>>
>>>> --
>>>> Kevin
>>> It could be possible I guess...
>>>
>>> My personal situation:
>>> The mobo is a couple of years old, I have lockups whenever it comes to
>>> apps that need a lot of video-power, like games and even some movies.
>>> I tried a couple of video cards (all nvidia tough) without seeing
>>> any real changes.
>>> The problem occurred in windows as well (I had it installed to play
>>> some games) and it didn't matter if I used the nv or binary drivers,
>>> after a couple of minutes the machine just locks up.
>>> The only explanation I have is that it's some kind of mobo-problem, but
>>> now that I just use nv and don't play games anymore it happens rarely
>>> when watching movies or something.
>>>
>>> I heard that logs don't help much in cases like this and that consoles
>>> connected via serial cables would be more helpful, but I haven't tried
>>> that.
>> A bit of speculation here. Perhaps the slot the video card is in is just
>> slightly low on providing power to the video card. Ordinary use of the
>> card works. Heavy duty use (like gaming) makes the card draw more power
>> than the slot can actually provide, producing a crash?
>>
>> I guess, to check this, try a different slot for the video card (if you
>> can).
>>
>> --
>> David
>> gnome at hawaii.rr.com
>> authenticity, honesty, community
> 
> Are the voltages provided by lm_sensors useful for diagnosing this? i.e vid v?

Sorry, I have no idea. I've always just tried a different slot for the 
video.

-- 
David
gnome at hawaii.rr.com
authenticity, honesty, community