On Wednesday 24 August 2005 19:21, Jack F Vogel wrote:
<snip>
Hi Jack,
>
> Hey Ray :)
>
> Is it possible for you to install SLES9 SP2 and check if
> the modular kdb there works?
>
I tested it far enough to find out that I could get into KDB and type go and
have the system continue to run. Didn't do anything more than a "sniff"
test though.
> Is there anything special about the hardware I should know?
>
Nothing special. I've tried it on all sorts of Opteron boxes, single core,
dual core, and a 2-way EMT64 box, and it fails every time. I guess the common
thread is that these are all SMP boxes, typically 4-socket things. The
SimNow case was for a simulated UP, but it was still the SMP kernel.
> When you first mentioned kprobes it worried me, I suspect that
> both kdb and kprobes are registering on the die chain, and I
> never had the opportunity to work with multiple registering.
>
> However if you say it didnt help to disable that then it must
> be something else.
>
> My access to hardware is diminished at the moment, but I will
> attempt a fresh build/test here to see what happens.
>
> Cheers,
>
> Jack
--
Ray Bryant
AMD Performance Labs Austin, Tx
512-602-0038 (o) 512-507-7807 (c)
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