From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from igw3.br.ibm.com (igw3.br.ibm.com [32.104.18.26]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "igw3.br.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTP id 54062DDDFD for ; Mon, 10 Mar 2008 11:54:08 +1100 (EST) Received: from mailhub1.br.ibm.com (unknown [9.18.232.109]) by igw3.br.ibm.com (Postfix) with ESMTP id C8A2E390076 for ; Sun, 9 Mar 2008 21:42:52 -0300 (BRST) Received: from d24av01.br.ibm.com (d24av01.br.ibm.com [9.18.232.46]) by mailhub1.br.ibm.com (8.13.8/8.13.8/NCO v8.7) with ESMTP id m2A0rwnH4038860 for ; Sun, 9 Mar 2008 21:53:58 -0300 Received: from d24av01.br.ibm.com (loopback [127.0.0.1]) by d24av01.br.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id m2A0rwtk019188 for ; Sun, 9 Mar 2008 21:53:58 -0300 Subject: Re: PPC upstream kernel ignored DABR bug From: Luis Machado To: Arnd Bergmann In-Reply-To: <200711290113.29024.arnd@arndb.de> References: <20071126220224.GA5606@host0.dyn.jankratochvil.net> <200711272335.36981.arnd@arndb.de> <474DF2D8.9010407@am.sony.com> <200711290113.29024.arnd@arndb.de> Content-Type: text/plain Date: Sun, 09 Mar 2008 21:53:51 -0300 Message-Id: <1205110432.10078.5.camel@gargoyle> Mime-Version: 1.0 Cc: linuxppc-dev@ozlabs.org, Paul Mackerras , Roland McGrath , Jan Kratochvil Reply-To: luisgpm@linux.vnet.ibm.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , > Yes, I know. I tried it on the PS3 first and couldn't reproduce > the bug he saw on the blade. Arnd, Do we have any news on this topic? I've seen this happening quite often within GDB when using hardware watchpoints on a shared variable in a threaded (7+ threads) binary. Sometimes the watchpoint won't trigger, even though the monitored variable's value was modified. Appreciate your feedback. Best regards, -- Luis Machado LoP Toolchain Software Engineer IBM Linux Technology Center