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 1HbfL6-00025H-4x for user-mode-linux-devel@lists.sourceforge.net; Wed, 11 Apr 2007 09:06:32 -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 1HbfL5-0001U4-J8 for user-mode-linux-devel@lists.sourceforge.net; Wed, 11 Apr 2007 09:06:32 -0700 Date: Wed, 11 Apr 2007 12:01:26 -0400 From: Jeff Dike Message-ID: <20070411160126.GA6329@c2.user-mode-linux.org> Mime-Version: 1.0 Content-Disposition: inline Subject: [uml-devel] [PATCH 3/4] UML - Dump core on panic 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: Andrew Morton Cc: LKML , uml-devel Dump core after a panic. This will provide better debugging information than is currently available. Signed-off-by: Jeff Dike -- arch/um/include/os.h | 1 + arch/um/kernel/um_arch.c | 2 +- arch/um/os-Linux/util.c | 6 ++++++ 3 files changed, 8 insertions(+), 1 deletion(-) Index: linux-2.6.21-mm/arch/um/include/os.h =================================================================== --- linux-2.6.21-mm.orig/arch/um/include/os.h 2007-04-06 10:36:33.000000000 -0400 +++ linux-2.6.21-mm/arch/um/include/os.h 2007-04-06 10:38:54.000000000 -0400 @@ -281,6 +281,7 @@ extern void setup_machinename(char *mach extern void setup_hostinfo(char *buf, int len); extern int setjmp_wrapper(void (*proc)(void *, void *), ...); extern void os_log_info(char *fmt, va_list ap); +extern void os_dump_core(void); /* time.c */ #define BILLION (1000 * 1000 * 1000) Index: linux-2.6.21-mm/arch/um/kernel/um_arch.c =================================================================== --- linux-2.6.21-mm.orig/arch/um/kernel/um_arch.c 2007-04-06 10:37:48.000000000 -0400 +++ linux-2.6.21-mm/arch/um/kernel/um_arch.c 2007-04-06 10:38:05.000000000 -0400 @@ -474,7 +474,7 @@ static int panic_exit(struct notifier_bl show_regs(&(current->thread.regs)); bust_spinlocks(0); uml_exitcode = 1; - machine_halt(); + os_dump_core(); return 0; } Index: linux-2.6.21-mm/arch/um/os-Linux/util.c =================================================================== --- linux-2.6.21-mm.orig/arch/um/os-Linux/util.c 2007-04-05 13:25:28.000000000 -0400 +++ linux-2.6.21-mm/arch/um/os-Linux/util.c 2007-04-06 10:57:55.000000000 -0400 @@ -148,3 +148,9 @@ void os_log_info(char *fmt, va_list ap) vsnprintf(&logging_buf[len], sizeof(logging_buf) - len, fmt, ap); write(logging_fd, logging_buf, strlen(logging_buf)); } + +void os_dump_core(void) +{ + signal(SIGSEGV, SIG_DFL); + abort(); +} ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys-and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753208AbXDKQGj (ORCPT ); Wed, 11 Apr 2007 12:06:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753215AbXDKQGj (ORCPT ); Wed, 11 Apr 2007 12:06:39 -0400 Received: from saraswathi.solana.com ([198.99.130.12]:46126 "EHLO saraswathi.solana.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753208AbXDKQGh (ORCPT ); Wed, 11 Apr 2007 12:06:37 -0400 Date: Wed, 11 Apr 2007 12:01:26 -0400 From: Jeff Dike To: Andrew Morton Cc: LKML , uml-devel Subject: [PATCH 3/4] UML - Dump core on panic Message-ID: <20070411160126.GA6329@c2.user-mode-linux.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Dump core after a panic. This will provide better debugging information than is currently available. Signed-off-by: Jeff Dike -- arch/um/include/os.h | 1 + arch/um/kernel/um_arch.c | 2 +- arch/um/os-Linux/util.c | 6 ++++++ 3 files changed, 8 insertions(+), 1 deletion(-) Index: linux-2.6.21-mm/arch/um/include/os.h =================================================================== --- linux-2.6.21-mm.orig/arch/um/include/os.h 2007-04-06 10:36:33.000000000 -0400 +++ linux-2.6.21-mm/arch/um/include/os.h 2007-04-06 10:38:54.000000000 -0400 @@ -281,6 +281,7 @@ extern void setup_machinename(char *mach extern void setup_hostinfo(char *buf, int len); extern int setjmp_wrapper(void (*proc)(void *, void *), ...); extern void os_log_info(char *fmt, va_list ap); +extern void os_dump_core(void); /* time.c */ #define BILLION (1000 * 1000 * 1000) Index: linux-2.6.21-mm/arch/um/kernel/um_arch.c =================================================================== --- linux-2.6.21-mm.orig/arch/um/kernel/um_arch.c 2007-04-06 10:37:48.000000000 -0400 +++ linux-2.6.21-mm/arch/um/kernel/um_arch.c 2007-04-06 10:38:05.000000000 -0400 @@ -474,7 +474,7 @@ static int panic_exit(struct notifier_bl show_regs(&(current->thread.regs)); bust_spinlocks(0); uml_exitcode = 1; - machine_halt(); + os_dump_core(); return 0; } Index: linux-2.6.21-mm/arch/um/os-Linux/util.c =================================================================== --- linux-2.6.21-mm.orig/arch/um/os-Linux/util.c 2007-04-05 13:25:28.000000000 -0400 +++ linux-2.6.21-mm/arch/um/os-Linux/util.c 2007-04-06 10:57:55.000000000 -0400 @@ -148,3 +148,9 @@ void os_log_info(char *fmt, va_list ap) vsnprintf(&logging_buf[len], sizeof(logging_buf) - len, fmt, ap); write(logging_fd, logging_buf, strlen(logging_buf)); } + +void os_dump_core(void) +{ + signal(SIGSEGV, SIG_DFL); + abort(); +}