Dump core after a panic. This will provide better debugging information than is currently available.
Signed-off-by: Jeff Dike <[EMAIL PROTECTED]> -- 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(); +} - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/