Re: kern/42992: KGDB does not work once interrupts are enabled

[David Holland <dholland-bugs%netbsd.org@localhost>]

The following reply was made to PR kern/42992; it has been noted by GNATS.

From: David Holland <dholland-bugs%netbsd.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/42992: KGDB does not work once interrupts are enabled
Date: Wed, 17 Mar 2010 19:22:55 +0000

 On Wed, Mar 17, 2010 at 07:20:01PM +0000, paul_koning%dell.com@localhost wrote:
  > The solution is to put a splserial() early in kgdb_trap with the
  > matching splx() at the two exits.  This cures the problem and makes
  > KGDB work reliably.
 
 That's not going to fix it on a multiprocessor machine though, at
 least in general. Does this matter? I don't remember if kgdb is
 supposed to be multiprocessor-safe.
 
 -- 
 David A. Holland
 dholland%netbsd.org@localhost