HELP: Fedora 5 causes kernel to always freeze!

[Georgios Petasis]

O/H Chong Yu Meng έγραψε:
> On Tue, 2006-06-27 at 22:17 +0300, Georgios Petasis wrote:
>   
>> Dear Fedora users,
>>
>> I have an AMD-64 system which I have 32-bit fedora installed. The
>> system was working
>> perfectly with fedora core 4. When core 5 was released, I upgraded
>> again to the 32-bit version.
>> Since day one, I experienced random freezes. So, I did a clean install
>> of 32-bit core 5.
>> The freezes didn't stop. I get them so frequently, that it is
>> impossible to work with the system.
>>
>> My system is in this state quite many months now (this means that I
>> don't use it at all). I have tried 
>> to ask for help in this list on how to debug the freezes, but with no
>> results.
>> Of course I have tried to check my hardware, so I did a memtest86
>> check on memory and a SMART
>> check on my (only) disk. I even changed the graphics card. No hardware
>> errors have been found but the
>> problem persisted.
>>
>> Today, I came across a kernel boot argument that can help debug such
>> freezes nmi_watchdog=1. So,
>> I booted my system with this option, and I haven't yet got a freeze
>> (so I added permenantly in my grub.conf :-))
>> Looking in the output of dmesg, I can see strange entries, like the
>> one at the end of this mail.
>> Is there a problem with the cpuspeed process? Is it safe to disable
>> it? What is its job?
>> Is there anything I can set in my BIOS to prevent this?
>> Finally, is it a bug that should be reported somewhere? (I have never
>> reported a bug using bugzilla :-))
>>
>> Any help will be welcomed :-)
>>
>> Regards,
>>
>> George
>>
>> <snip>
>>     
>
> Hi George, 
>
> What motherboard are you using ? I used to have a Abit motherboard that
> would do that to me at least once a day and had to be rebooted. Turned
> out to be a capacitor problem -- the original motherboard had a flaw
> which was that an under-rated capacitor was being used. This was
> reported on some message boards, and there were 2 solutions: send the
> board back to the manufacturer or replace the capacitor with another
> that had the recommended rating. 
>
> Anyway, the frustrating thing was that you could not predict the
> freezes, and on Windows, it worked fine (unless you started Photoshop).
>
> You may want to check the message boards for your motherboard.
>
> I am using an Nvidia motherboard, K8NGM2-FID, from MSI (the ONLY brand I
> use now), with an Athlon AMD64 and running 64-bit FC5 with no problems
> so far. 
>
> Regards,
>   
I am using a gigabyte *GA-K8NNXP (*nForce3 150 chipset). It is still 
within warranty period...
Any hinds where to look for such a problem?

Regards,

George
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