From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 4615 invoked by alias); 1 Nov 2011 20:13:12 -0000 Received: (qmail 4563 invoked by uid 22791); 1 Nov 2011 20:13:09 -0000 X-SWARE-Spam-Status: No, hits=-7.2 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,SPF_HELO_PASS X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 01 Nov 2011 20:12:51 +0000 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id pA1KCpq5002261 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Tue, 1 Nov 2011 16:12:51 -0400 Received: from host1.jankratochvil.net (ovpn-116-23.ams2.redhat.com [10.36.116.23]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id pA1KCnwl029972 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 1 Nov 2011 16:12:50 -0400 Received: from host1.jankratochvil.net (localhost [127.0.0.1]) by host1.jankratochvil.net (8.14.4/8.14.4) with ESMTP id pA1KCmmk020328; Tue, 1 Nov 2011 21:12:48 +0100 Received: (from jkratoch@localhost) by host1.jankratochvil.net (8.14.4/8.14.4/Submit) id pA1KClfv020326; Tue, 1 Nov 2011 21:12:47 +0100 Date: Tue, 01 Nov 2011 20:13:00 -0000 From: Jan Kratochvil To: Jan Kiszka Cc: Tom Tromey , Vimal , gdb@sourceware.org Subject: Re: Multiple breakpoint issue when debugging loadable kernel module Message-ID: <20111101201247.GA19887@host1.jankratochvil.net> References: <4EA89365.2010807@web.de> <4EAED7DC.5030805@siemens.com> <4EB010D1.9050209@web.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4EB010D1.9050209@web.de> User-Agent: Mutt/1.5.21 (2010-09-15) 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: 2011-11/txt/msg00010.txt.bz2 On Tue, 01 Nov 2011 16:31:29 +0100, Jan Kiszka wrote: > (gdb) b ieee80211_register_hw > Breakpoint 1 at 0xffffffffa01b31a0: file > /data/linux/net/mac80211/main.c, line 646. > (gdb) l ieee80211_register_hw > No line number known for ieee80211_register_hw. It reminds me a binutils bug, maybe you could check your /path/to/some/module.ko with readelf if it has its .debug_ranges right: https://bugzilla.redhat.com/show_bug.cgi?id=714824#c6 Sure it also may be a completely different bug and it may really be in GDB. Thanks, Jan