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Re: kgdb on NetBSD/amd64 6.99.23



In article <523AAB61.8000503%gmail.com@localhost>,
Jan Danielsson  <jan.m.danielsson%gmail.com@localhost> wrote:
>On 9/18/13 7:00 PM, Jan Danielsson wrote:
>>    I'm trying to get kgdb working between two virtual box instances. (I
>> have verified that /dev/tty00 <-> /dev/tty00 works by running GENERIC
>> kernels and minicom on both virtual machines).
>[---]
>
>   Problem #1 "solved" (worked-around). It looks like RB_KDB isn't being
>passed over to the kernel properly. I simply commented out "if
>(boothowto & RB_KDB)", and how have a kernel which actually waits for a
>remote debugger to attach on boot.
>
>   I enabled DEBUG_KGDB, and when I attach the debugger from the
>"remote" the target clearly reacts to it. Unfortunately, the "remote"
>says "PC register not available" -- and it doesn't appear to actually be
>connected.
>
>   Is kgdb supposed to work on amd64 and/or -current? I'm starting to
>get the feeling that this is somewhat untested.

I did not test kgdb last time I upgraded gdb, so it might need fixing...

christos



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