On Fri, Dec 05, 2008 at 05:18:07PM -0600, Larry Finger wrote: > Greg KH wrote: > > On Fri, Dec 05, 2008 at 03:47:45PM +0100, Christian Lamparter wrote: > >> This patch fixes a problem identified by Johannes Berg. > > > > No, it only papers over the real problem here, let's work on a correct > > patch please. > > I can contribute a little info. If SLUB debugging is enabled, and the boot > command includes 'slub_debug=P', I get a GPF in kref_get(), which is called from > kobject_get() with the following code: > > if (kobj) > kref_get(&kobj->kref); > > >From the dump, &kobj->kref is 0x6b6b6b6b6b6b6dbb, a poisoned value. > > Somewhere, the "struct urb" has been freed, but kobj has not been set to NULL. > > As everything I've found is a symptom, I'm still looking for the real cause. See alan's post on linux-usb, it shows the real cause. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
