From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21937 invoked by alias); 23 Nov 2006 16:13:30 -0000 Received: (qmail 21929 invoked by uid 22791); 23 Nov 2006 16:13:29 -0000 X-Spam-Check-By: sourceware.org Received: from nevyn.them.org (HELO nevyn.them.org) (66.93.172.17) by sourceware.org (qpsmtpd/0.31.1) with ESMTP; Thu, 23 Nov 2006 16:13:24 +0000 Received: from drow by nevyn.them.org with local (Exim 4.63) (envelope-from ) id 1GnHCS-000327-Cy; Thu, 23 Nov 2006 11:13:20 -0500 Date: Thu, 23 Nov 2006 16:13:00 -0000 From: Daniel Jacobowitz To: Joel Brobecker Cc: gdb@sourceware.org Subject: Re: [x86_64-linux] ptrace (PT_STEP) causes 2 instruction step??? Message-ID: <20061123161319.GA11623@nevyn.them.org> Mail-Followup-To: Joel Brobecker , gdb@sourceware.org References: <20061123042227.GA22601@adacore.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20061123042227.GA22601@adacore.com> User-Agent: Mutt/1.5.13 (2006-08-11) X-IsSubscribed: yes Mailing-List: contact gdb-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-owner@sourceware.org X-SW-Source: 2006-11/txt/msg00159.txt.bz2 On Wed, Nov 22, 2006 at 08:22:27PM -0800, Joel Brobecker wrote: > I searched the internet a bit, and apparently this type of error > has happened a while ago. Unfortunately, I lost the link, but the > reports were saying that the problem they saw only occured in a > very specific case, which is not the case here... That was over syscalls, I think. > Has anyone seen this before? Any clue? Surprisingly, all our > x86_64-linux machines started showing these symptoms on the same > day. All except one, which keeps working fine. Like Mark, I'm suspicious of updates. I've never seen this behavior before. -- Daniel Jacobowitz CodeSourcery