From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43)
	id 1Krxnn-0005AH-IQ
	for qemu-devel@nongnu.org; Mon, 20 Oct 2008 12:40:19 -0400
Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43)
	id 1Krxnl-00059g-VP
	for qemu-devel@nongnu.org; Mon, 20 Oct 2008 12:40:19 -0400
Received: from [199.232.76.173] (port=48322 helo=monty-python.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1Krxnl-00059d-Q6
	for qemu-devel@nongnu.org; Mon, 20 Oct 2008 12:40:17 -0400
Received: from bsdimp.com ([199.45.160.85]:53947 helo=harmony.bsdimp.com)
	by monty-python.gnu.org with esmtps
	(TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60)
	(envelope-from <imp@bsdimp.com>) id 1Krxnl-0008Ge-DM
	for qemu-devel@nongnu.org; Mon, 20 Oct 2008 12:40:18 -0400
Received: from localhost (localhost [127.0.0.1])
	by harmony.bsdimp.com (8.14.2/8.14.1) with ESMTP id m9KGdIOv010562
	for <qemu-devel@nongnu.org>; Mon, 20 Oct 2008 10:39:18 -0600 (MDT)
	(envelope-from imp@bsdimp.com)
Date: Mon, 20 Oct 2008 10:40:20 -0600 (MDT)
Message-Id: <20081020.104020.-233674303.imp@bsdimp.com>
From: "M. Warner Losh" <imp@bsdimp.com>
Mime-Version: 1.0
Content-Type: Text/Plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Subject: [Qemu-devel] Odd hangs
Reply-To: qemu-devel@nongnu.org
List-Id: qemu-devel.nongnu.org
List-Unsubscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.gnu.org/pipermail/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: qemu-devel@nongnu.org

Greetings,

We've been using qemu heavily to emulate a powerpc with the prep
machine.  Our environment is a bunch of programs running under Linux
2.6.24.  We've seen a number of hangs in this environment.  The hangs
are never in the same place.  They are always appear to be in the qemu
emulation layer.  This is with 0.9.1, although we've seen this in
0.9.0 as well.

Before doing a deep dive into the qemu cpu emulation code, I thought
I'd ask here if other people are seeing a similar problem or not.

I know this is a vague description, and I'm not expecting people to
send me patches based on it.  This is a request more for other people
that have been using powerpc + linux heavily in recent qemu and can
comment on its stability...

Thanks a bunch

Warner