From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1KKZa4-0005nE-Ep for user-mode-linux-devel@lists.sourceforge.net; Sun, 20 Jul 2008 07:08:08 -0700 Received: from [198.99.130.12] (helo=saraswathi.solana.com) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1KKZa2-0001hw-U8 for user-mode-linux-devel@lists.sourceforge.net; Sun, 20 Jul 2008 07:08:08 -0700 Date: Sun, 20 Jul 2008 10:07:56 -0400 From: Jeff Dike Message-ID: <20080720140756.GA4577@c2.user-mode-linux.org> References: <804dabb00807181222r2e80126fp75bf7bdd9c4cac73@mail.gmail.com> <20080718205532.GG13572@c2.user-mode-linux.org> <804dabb00807200215n32b5171do97d344f2f954c490@mail.gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <804dabb00807200215n32b5171do97d344f2f954c490@mail.gmail.com> Subject: Re: [uml-devel] Kernel panic - not syncing: do_syscall_stub : PTRACE_SETREGS failed, errno = 5 List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: user-mode-linux-devel-bounces@lists.sourceforge.net Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net To: Peter Teoh Cc: user-mode-linux-devel@lists.sourceforge.net On Sun, Jul 20, 2008 at 05:15:16PM +0800, Peter Teoh wrote: > And ptrace_setregs() calling ptrace() seemed to returned -errno almost > immediately: > > (gdb) s > ptrace_setregs (pid=19131, regs=0x820aae0) at > /mnt/hd0/download/linux-2.6-latest/arch/um/sys-i386/ptrace_user.c:18 > 18 if (ptrace(PTRACE_SETREGS, pid, 0, regs) < 0) > (gdb) s > 19 return -errno; > (gdb) s > > Why is it so? Because the registers are all zero. Jeff -- Work email - jdike at linux dot intel dot com ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel