If the CPU hits a softlockup this patch will also have it print the information about all locks being held on the system. This might help determine if a lock is being held too long leading to this problem.
Signed-off-by: Eric Paris <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Andrew Morton <[email protected]> Cc: Don Zickus <[email protected]> Cc: Michal Hocko <[email protected]> Cc: Ben Zhang <[email protected]> --- kernel/watchdog.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/watchdog.c b/kernel/watchdog.c index 516203e..a027240 100644 --- a/kernel/watchdog.c +++ b/kernel/watchdog.c @@ -322,6 +322,7 @@ static enum hrtimer_restart watchdog_timer_fn(struct hrtimer *hrtimer) current->comm, task_pid_nr(current)); print_modules(); print_irqtrace_events(current); + debug_show_all_locks(); if (regs) show_regs(regs); else -- 1.9.0 -- 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/
