* Linus Torvalds <torva...@linux-foundation.org> wrote: > On Fri, Oct 25, 2013 at 11:23 AM, Thomas Gleixner <t...@linutronix.de> wrote: > > > > Enable DEBUG_OBJECTS, DEBUG_OBJECTS_FREE, DEBUG_OBJECTS_TIMERS > > Yes, but nobody has actually been able to trigger it with those. > It's pretty rare, and the debug options are so expensive that they > aren't reasonable to enable generally... > > So we need to try to figure out how to trigger it, or narrow > things down some way..
If it's timing then maybe the 1 seconds delay isn't enough (especially if it's boot related, where we have a couple of delays already) - the patch below triples it. (If the bug goes away due to some other side effect then this patch won't make a difference to reproducability.) Thanks, Ingo diff --git a/lib/kobject.c b/lib/kobject.c index 084f7b1..124188f 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -595,7 +595,7 @@ static void kobject_release(struct kref *kref) pr_info("kobject: '%s' (%p): %s, parent %p (delayed)\n", kobject_name(kobj), kobj, __func__, kobj->parent); INIT_DELAYED_WORK(&kobj->release, kobject_delayed_cleanup); - schedule_delayed_work(&kobj->release, HZ); + schedule_delayed_work(&kobj->release, 3*HZ); #else kobject_cleanup(kobj); #endif -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/