From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 12602 invoked by alias); 24 Jan 2008 10:24:00 -0000 Received: (qmail 12595 invoked by uid 22791); 24 Jan 2008 10:23:59 -0000 X-Spam-Status: No, hits=-2.1 required=5.0 tests=AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from wildebeest.demon.nl (HELO gnu.wildebeest.org) (83.160.170.119) by sourceware.org (qpsmtpd/0.31) with ESMTP; Thu, 24 Jan 2008 10:23:37 +0000 Received: from dijkstra.wildebeest.org ([192.168.1.29]) by gnu.wildebeest.org with esmtp (Exim 4.63) (envelope-from ) id 1JHzF8-0005UI-59 for frysk@sourceware.org; Thu, 24 Jan 2008 11:23:34 +0100 Subject: Re: Surprise: debug (utrace/ptrace attach) -> no suspend From: Mark Wielaard To: frysk In-Reply-To: <1200740314.12412.15.camel@localhost.localdomain> References: <1200740314.12412.15.camel@localhost.localdomain> Content-Type: text/plain Date: Thu, 24 Jan 2008 10:24:00 -0000 Message-Id: <1201170213.3337.0.camel@dijkstra.wildebeest.org> Mime-Version: 1.0 X-Mailer: Evolution 2.12.3 (2.12.3-1.fc8) Content-Transfer-Encoding: 7bit X-Spam-Score: -4.4 (----) X-IsSubscribed: yes Mailing-List: contact frysk-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: frysk-owner@sourceware.org X-SW-Source: 2008-q1/txt/msg00041.txt.bz2 On Sat, 2008-01-19 at 11:58 +0100, Mark Wielaard wrote: > As a good hacker I was using frysk while traveling with my laptop to > debug some program. Imagine my surprise that when I had to switch trains > my laptop didn't want to suspend. The cause was frysk (!). Only when I > quit my frysk debugging session could I suspend and change trains. > Meanwhile I noticed the same thing with gdb. When you are attached to a > process the kernel refuses to suspend. This is primarily a note to > myself to not forget about this incident, investigate a bit more when I > am back, and file a proper bug report against the kernel/utrace. I filed this against the upstream fedora kernel here: https://bugzilla.redhat.com/show_bug.cgi?id=430060 Cheers, Mark