Re: x86-64 sporadic hang in 2.6.23rc7 and 2.6.22

[Helge Hafting <helge.hafting@aitel.hist.no>]

Thomas Gleixner wrote:
> On Sat, 29 Sep 2007, Helge Hafting wrote:
>   
>> Thomas Gleixner wrote:
>>     
>>>> I have gone back to 2.6.22rc4, which seems to work.
>>>>
>>>> This is a single opteron, although on a dual-slot board.
>>>>     
>>>>         
>>> Can you switch to serial console, so we can get some information out of
>>> that box? Sysrq-B is working, so we can get info from other sysrq
>>> functions as well.
>>>   
>>>       
>> I didn't need the serial - it crashes during console work too.
>> I think a "make clean" was in progress at the time. There must be work going
>> on in order to crash.
>>
>> This time 2.6.22rc4 died on me with a general protection fault
>>
>> I got two reports, the first one scrolled partially off screen but
>> the whole trace was there:
>>     
>
> That's why I asked for a serial console. That way we can get all the
> information from the reports including the register dumps ...
>   
Sure. But I can't get a cable right now. Was the registers necessary
in this case? Often, the trace turns out to be enough.

Helge Hafting