From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39521) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VHShH-0004j5-Al for qemu-devel@nongnu.org; Thu, 05 Sep 2013 02:05:45 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VHShB-0004cF-6o for qemu-devel@nongnu.org; Thu, 05 Sep 2013 02:05:39 -0400 Sender: Paolo Bonzini Message-ID: <52281F2B.8030907@redhat.com> Date: Thu, 05 Sep 2013 08:05:31 +0200 From: Paolo Bonzini MIME-Version: 1.0 References: <20130904210844.4cd6164e@redhat.com> In-Reply-To: <20130904210844.4cd6164e@redhat.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] BUG: memory API related abort (bisected) List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Luiz Capitulino Cc: rth@twiddle.net, qemu-devel , qemu-stable@nongnu.org Il 05/09/2013 03:08, Luiz Capitulino ha scritto: > Reproducer: > > 1. Start QEMU with gdb support: > > $ qemu [...] -kernel [...] -s > > 2. Start gdb and install a breakpoint > > gdb /path/to/vmlinux > (gdb) target remote localhost:1234 > (gdb) b init_hw_perf_events > Remote communication error. Target disconnected.: Connection reset by peer. > > 3. Kaboom on QEMU terminal > > According to bisect the culprit is: > > commit 23326164ae6fe8d94b7eff123e03f97ca6978d33 > Author: Richard Henderson > Date: Mon Jul 8 14:55:59 2013 -0700 > > exec: Support 64-bit operations in address_space_rw > > Honor the implementation maximum access size, and at least check > the minimum access size. Already reported twice, missed 1.6, will send pull request today or tomorrow. Sorry for the breakage. Paolo