6.4-RC2 crashes after a few minutes of uptime

[Rory Arms]

On 2008-11-16, at 17:28 , barbara wrote:

>>> Hi Rory,
>>>
>>> did you see my replies or are you missing them for any reason?
>>
>> Yes, I have seen your replies. I must have missed the PR you  
>> mentioned
>> last time, sorry.
>
> No problem!
>
>>> Your panics and
>>> some aspects about how they happens look like mine to me, look here:
>>> http:
>>> //lists.freebsd.org/pipermail/freebsd-stable/2008-October/ 
>>> 045865.html
>>
>> Yes, indeed. That looks very similar to the issue I'm running into
>> with 6.4-RC2 as well. Sounds like it might be a regression in ata(4).
>> At least you were able to open the core dump. Are you still able to
>> open core dumps with RC2?
>>
>
> I'm not sure. I'm running STABLE and I had no panics after the  
> branch has changed to RC2. It seems that my panics are not frequent  
> as yours.
> Anyway my box freezed a couple of times after last newvers.sh and  
> the symptoms looked like the same, with messages about acd0. I was  
> able to ping it but it won't let me ssh in, like it was using all  
> the cpus.
>
> About kgdb...
> I never used freebsd-update, so sorry if I'm saying something  
> stupid, but could it be the case that the kernel has been built  
> without debugging symbols or something like that? Does freebsd- 
> update provide a kernel.debug?

I haven't had to use a the kernel.debug file in the obj dir in a long  
time. As far as I know, these days, the GENERIC kernel includes debug  
symbols. And in cases when there aren't any debug symbols, that  
shouldn't prevent kgdb from loading, I wouldn't think.

- rory