Subject: Re: simple_lock: locking against myself on fresh i386 SMP kernel
To: Jeff Rizzo <>
From: Frank van der Linden <>
List: current-users
Date: 07/18/2003 19:29:16
On Fri, Jul 18, 2003 at 10:16:55AM -0700, Jeff Rizzo wrote:
> Without running anything (that I'm aware of, anyway) that's using pthreads,
> on a -current i386 kernel compiled from sources grabbed 45 minutes ago,
> I just got a locking panic.
> I was doing an http load test between this system and another one; the
> panic seems pretty reproducible.  I don't *think* it's a new problem; I
> was running a 1.6T kernel previously, and got a similar thing.
> Let me know if any more info would be useful.
> +j
> simple_lock: locking against myself
> lock: 0xc134e128, currently at: /usr/src/sys/kern/kern_event.c:930

I just checked in a fix to sys/kern/kern_event.c, which should
make this go away. It's in revision 1.17, let me know if it works
for you.

- Frank