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
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