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Date:      Wed, 17 Sep 2003 22:46:04 -0400 (EDT)
From:      Daniel Eischen <eischen@vigrid.com>
To:        Bruce Evans <bde@zeta.org.au>
Cc:        current@freebsd.org
Subject:   Re: SMP kernel panic with traceback
Message-ID:  <Pine.GSO.4.10.10309172244480.28121-100000@pcnet5.pcnet.com>
In-Reply-To: <20030918052932.Q624@gamplex.bde.org>

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On Thu, 18 Sep 2003, Bruce Evans wrote:

> On Wed, 17 Sep 2003, Daniel Eischen wrote:
> 
> > I'm getting crashes when trying to debug mozilla (under KSE).
> > The panic message is "panic: absolutely cannot call smp_ipi_shootdown
> > with interrupts already disabled".  Attached is the trace.
> > Any ideas?
> 
> Eeek.  Looks like I forgot an attachment to i386/machdep.c 1.468 2001/08/13
> (use interrupt gates instead of trap gates for breakpoint and trace traps).
> Keeping interrupts disabled is only correct for these traps if they are
> from kernel mode.  It's surprising how few problems this has caused.

This patch seems to fix the problem.  Care to commit it?  Thanks!

-- 
Dan Eischen



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