diff options
Diffstat (limited to 'arch/i386/kernel/traps.c')
| -rw-r--r-- | arch/i386/kernel/traps.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c index 6b63a5aa1e4..2d22f5761b1 100644 --- a/arch/i386/kernel/traps.c +++ b/arch/i386/kernel/traps.c @@ -365,6 +365,9 @@ void die(const char * str, struct pt_regs * regs, long err) if (++die.lock_owner_depth < 3) { int nl = 0; + unsigned long esp; + unsigned short ss; + handle_BUG(regs); printk(KERN_EMERG "%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter); #ifdef CONFIG_PREEMPT @@ -387,8 +390,19 @@ void die(const char * str, struct pt_regs * regs, long err) printk("\n"); if (notify_die(DIE_OOPS, str, regs, err, current->thread.trap_no, SIGSEGV) != - NOTIFY_STOP) + NOTIFY_STOP) { show_registers(regs); + /* Executive summary in case the oops scrolled away */ + esp = (unsigned long) (®s->esp); + savesegment(ss, ss); + if (user_mode(regs)) { + esp = regs->esp; + ss = regs->xss & 0xffff; + } + printk(KERN_EMERG "EIP: [<%08lx>] ", regs->eip); + print_symbol("%s", regs->eip); + printk(" SS:ESP %04x:%08lx\n", ss, esp); + } else regs = NULL; } else @@ -1193,6 +1207,6 @@ void __init trap_init(void) static int __init kstack_setup(char *s) { kstack_depth_to_print = simple_strtoul(s, NULL, 0); - return 0; + return 1; } __setup("kstack=", kstack_setup); |