* Fengguang Wu <fengguang...@intel.com> wrote: > After enabling CONFIG_DEBUG_OBJECTS_TIMERS=y, it will issue a WARNING > followed by a "BUG: ..."
Cool! > [ 2.802167] parport_pc 00:04: reported by Plug and Play ACPI > [ 2.803818] parport0: PC-style at 0x378, irq 7 [PCSPP(,...)] > [ 2.806035] kobject: 'parport_pc.956' (ffff880006dc3820): kobject_release, > parent (null) (delayed) > [ 2.808626] ------------[ cut here ]------------ > > [ 2.809776] WARNING: CPU: 1 PID: 1 at /c/wfg/linux/lib/debugobjects.c:260 > debug_print_object+0x7c/0x8d() > [ 2.812433] ODEBUG: init active (active state 0) object type: timer_list > hint: (null) > ...... > [ 3.796079] BUG: unable to handle kernel NULL pointer dereference at > (null) Mind posting the full backtrace? It should show the actual callsite that zaps the timer. I don't think we got that dump so far, I've only seen timer list corruption backtraces. (but I haven't read the whole thread.) Thanks, Ingo -- 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/