Re: 5.0: locking panic when running atf-run as root

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

On Wed, Jul 15, 2009 at 12:33:11PM -0700, Brian Buhrow wrote:
 >      hello.  I just realized I wasn't clear about what problem I'm actually
 > seeing.
 >      What I see is that the machines kernel runs fine.  Processes which
 > don't write to the filesystem run fine.  Processes which write to the
 > filesystem, either directly or indirectly via something like syslog
 > eventually hang.  I'm not sure where they hang, because I don't have ddb in
 > this kernel and I can't let the machine sit around when it happens so I
 > can't get it into ddb and look.  I thought it might be the lockf problem
 > which was recently fixed up in the NetBSD-5 branch, but I've got those
 > fixes, and the problem still occurs.

ps -alx will often (not always) still work if the vfs subsystem is
deadlocked, and might reveal something useful. (and it might not)

-- 
David A. Holland
dholland%netbsd.org@localhost