From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34275) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VHxiC-0007lN-TI for qemu-devel@nongnu.org; Fri, 06 Sep 2013 11:12:46 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VHxi7-0004UZ-Bi for qemu-devel@nongnu.org; Fri, 06 Sep 2013 11:12:40 -0400 Received: from mail-ve0-x231.google.com ([2607:f8b0:400c:c01::231]:48206) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VHxi7-0004US-77 for qemu-devel@nongnu.org; Fri, 06 Sep 2013 11:12:35 -0400 Received: by mail-ve0-f177.google.com with SMTP id db12so1662229veb.8 for ; Fri, 06 Sep 2013 08:12:34 -0700 (PDT) Sender: Richard Henderson Message-ID: <5229F0DE.7040308@twiddle.net> Date: Fri, 06 Sep 2013 08:12:30 -0700 From: Richard Henderson MIME-Version: 1.0 References: <5228EB17.4050209@weilnetz.de> <52295FD4.2030207@weilnetz.de> In-Reply-To: <52295FD4.2030207@weilnetz.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [Bug] qemu-sparc64 broken List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Weil Cc: Peter Maydell , qemu-devel On 09/05/2013 09:53 PM, Stefan Weil wrote: > Am 05.09.2013 23:32, schrieb Peter Maydell: >> On 5 September 2013 21:35, Stefan Weil wrote: >>> In a first analysis of this, I noticed that it is impossible to run >>> qemu-sparc64 >>> under gdb (raised fatal signal). >> You probably just need to let the signals go through to >> the target... I noticed that it had a tendency to do lots >> of (presumably safely handled) segfaulting while running; >> didn't look at why this happens. > > After lots of SIGSEGV, the program indeed finishes successfully, > so my report was wrong - SIGSEGV is not a fatal signal for sparc64. > That's interesting - thank you for this information. It's not just sparc64. That's changed page detection, for determining when to invalidate translation blocks. For self-modifying code, and more. r~