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Re: kdb version of acces_ok

To: Keith Owens <kaos@xxxxxxx>
Subject: Re: kdb version of acces_ok
From: Olaf Hering <olh@xxxxxxx>
Date: Wed, 12 Oct 2005 13:21:35 +0200
Cc: kdb@xxxxxxxxxxx
In-reply-to: <32516.1129115724@xxxxxxxxxxxxxxx>
References: <20051012110811.GA27478@xxxxxxx> <32516.1129115724@xxxxxxxxxxxxxxx>
Sender: kdb-bounce@xxxxxxxxxxx
User-agent: Mutt und vi sind doch schneller als Notes (und GroupWise)
 On Wed, Oct 12, Keith Owens wrote:

> There is kdba_verify_rw(), I can always add a kdba_verify_r() function
> as well.

The ppc64 version of kdba_verify_rw looks broken, not very
stackfriendly.

> >I will add such a check to kdba_bt_stack_ppc now. How do other archs
> >deal with 'bt 72' (which should have been 'btp 72')?
> 
> ia64 does not allow bt <address>, because of the strange ia64 unwind
> data.  Other architectures such as i386 and x86_64 just use the
> address, if it is invalid then you get an oops, kdb recovers from the
> oops and continues.

I checked xmon, and it appears to works the same way. Apparently
something in that area is not properly implemented in the ppc64 part of
kdb.

-- 
short story of a lazy sysadmin:
 alias appserv=wotan
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