On Fri, Jul 20, 2012 at 11:47 AM, Stanislaw Gruszka <sgruszka@xxxxxxxxxx> wrote: > On Wed, Jul 18, 2012 at 08:06:17PM +0200, Sedat Dilek wrote: >> On Tue, Jul 17, 2012 at 7:41 AM, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: >> > Hi all, >> > >> > Changes since 20120716: >> > >> >> Not sure what the root cause of this issue is. >> >> I see the following call-trace in linux-next (next-20120717). >> >> [ 23.431889] ------------[ cut here ]------------ >> [ 23.431896] WARNING: at lib/debugobjects.c:261 debug_print_object+0x8e/0xb0() >> [ 23.431897] Hardware name: <HIDDEN> >> [ 23.431901] ODEBUG: free active (active state 0) object type: >> timer_list hint: delayed_work_timer_fn+0x0/0x40 > There are few delayed works on hci_dev structure, it's hard to say which > one is not stopped before kfree. > >> # CONFIG_DEBUG_OBJECTS_WORK is not set > If you enable that option, it should show which delayed work is causing trouble. > OK, thanks for the explanations & hints! I will activate that kconfig-option. FYI: With yesterday's linux-next (next-20120719) I didn't trap into this regression (same kernel-config + several bootups). - Sedat - > Stanislaw -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html