Ferris McCormick wrote:

>On Wed, 2007-03-21 at 10:53 +0100, bertrand wrote:
>  
>
>>Ferris McCormick a écrit :
>>    
>>
>>>-----BEGIN PGP SIGNED MESSAGE-----
>>>Hash: SHA1
>>>
>>>      
>>>
>
>--- snip ---
>
>  
>
>>>>	JKB
>>>>        
>>>>
>>>This is a problem with U2+kernel-2.6.x generally.  Unfortunately, I
>>>have no suggestions nor do I have a solution. I just grit my teeth and
>>>stay with the kernel-2.4.x series, which are completely stable on U2,
>>>so far as I can tell.
>>>      
>>>
>>	What is your U2 configuration ? I have only one U2 and I cannot test on 
>>this station because it's a mail server :-( In fact, I think it should 
>>be interesting to know if this trouble come from SMP, ESP or Sbus 
>>support. It is impossible to build a kernel with debug information (it 
>>does not boot due to a address not aligned...), but I have tested the 
>>same kernel on a U1E (with the same ESP chip and two additional 
>>HappyMeal Ethernet cards on Sbus slots). It perfectly works. Can you try 
>>a 2.6 on U2 without SMP support ?
>>
>>	Regards,
>>
>>	JKB
>>    
>>
>
>I have 2 U2's; U2(2x300), U2(2x400).  The SMP doesn't matter, though; U2
>with 2.6.x will freeze eventually even if a uniprocessor.  SMP just lets
>it fail more quickly.  Problem is believed to be SCSI or Sbus, I think,
>but I don't know that anyone is sure.  The kernel people have known
>about this for well over a year, but no fix.
>
>For more current information, you might ask squash@gentoo.org or
>weeve@gentoo.org --- I haven't tried 2.6 on U2 for a while because no
>one has claimed to have a fix for this problem.  (Gentoo spent a lot of
>time on this freeze a few months ago, but no satisfaction.  I am sure,
>though, that we ruled out SMP as the problem.)
>
>  
>
>>-
>>    
>>
>Regards,
>
>  
>
Hi,

I'm running 2.6.20-rc5 on my ultra2 (2x300) for a few weeks now and have not
observed any freezes at all. I attach my config, maybe you can find some 
hint
what causes the problem.

Regards
              Georg