Dual Xeon EM64T crashes reliably w/ 5.x amd64

[Erich Dollansky]

Hi,

did this machine ever run with two CPUs with any operating system?

Erich

Palle Girgensohn wrote:
> 
> 2005-05-26 kl. 03.39 skrev Mike Jakubik:
> 
>> On Wed, May 25, 2005 8:44 pm, Palle Girgensohn said:
>>
>>>
>>
>>>
>>> HTT is off (byt setting in BIOS). It helped for a couple of days, but
>>> now it crashes with "simple" dual SMP as well. Turning SMP off in  
>>> kernel
>>> config makes the machine stable, so this is an SMP problem, AFAIKT.
>>>
>>>
>>> Can anyone conclude if this is a harware problem? There must be tons  of
>>> Dell 2850's out there, aren't any running FreeBSD 5.4/amd64? Are they
>>> stable?
>>
>>
>> You would have to enable debugging, and let us know the result. Please
>> look at
>> http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/ 
>> kerneldebug.html
>> for more info. Also, a dmesg of your system would be useful too.
> 
> 
> Debugging is on, but the crash/panic does not write a core, it never  
> happens, the system is too hung for that... it does no automatic  
> reboot, and is completely unresponsive, I have to hit the big button to  
> restart it. :(
> 
> KDB
> KDB_UNATTENDED
> KDB_TRACE
> 
> Not even the KDB_TRACE reveals anything...
> 
> /Palle
> 
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