From owner-cvs-all Fri Oct 12 16:53:46 2001 Delivered-To: cvs-all@freebsd.org Received: from anchor-post-33.mail.demon.net (anchor-post-33.mail.demon.net [194.217.242.91]) by hub.freebsd.org (Postfix) with ESMTP id ADF4637B407; Fri, 12 Oct 2001 16:53:38 -0700 (PDT) Received: from [62.49.251.130] (helo=herring.nlsystems.com) by anchor-post-33.mail.demon.net with esmtp (Exim 2.12 #1) id 15sC7U-000LaQ-0X; Sat, 13 Oct 2001 00:53:37 +0100 Received: from salmon.nlsystems.com (salmon [10.0.0.3]) by herring.nlsystems.com (8.11.2/8.11.2) with ESMTP id f9CNqL707805; Sat, 13 Oct 2001 00:52:21 +0100 (BST) (envelope-from dfr@nlsystems.com) Date: Sat, 13 Oct 2001 00:50:46 +0100 (BST) From: Doug Rabson To: John Baldwin Cc: Doug Rabson , , Subject: RE: cvs commit: src/sys/ia64/ia64 trap.c In-Reply-To: Message-ID: <20011013004948.F549-100000@salmon.nlsystems.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Fri, 12 Oct 2001, John Baldwin wrote: > > On 12-Oct-01 Doug Rabson wrote: > > dfr 2001/10/12 04:49:11 PDT > > > > Modified files: > > sys/ia64/ia64 trap.c > > Log: > > If the faulting instruction is a cmpxchg, then isr.w and isr.r will both > > be set. We need to check isr.w before isr.r so that we can correctly > > handle a cmpxchg to a copy-on-write page. > > > > This fixes the hang-after-fork problem for dynamically linked programs. > > Wow. Good snooping. :) I love simulators.... I'll work on trying to reproduce the mutex panic I saw before tomorrow. -- Doug Rabson Mail: dfr@nlsystems.com Phone: +44 20 8348 6160 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message