Hi Felipe,
I'm getting a crash when I rmmod the dwc3-pci driver in latest Linus, and
also in 3.8.6 and 3.8.0.
Screenshot (two parts) are here:
http://ompldr.org/vaTFibQ/IMG1.jpg
http://ompldr.org/vaTFicA/IMG2.jpg
Unfortunately the very first part of the crash has scrolled off the
screen.
I've decoded the crash a bit. The call chain descends through
platform_device_unregister(glue->dwc3) in dwc3_pci_remove(). It hits the
warning in kobject_put():
void kobject_put(struct kobject *kobj)
{
if (kobj) {
if (!kobj->state_initialized)
WARN(1, KERN_WARNING "kobject: '%s' (%p): is
not "
"initialized, yet kobject_put() is being
"
"called.\n", kobject_name(kobj), kobj);
kref_put(&kobj->kref, kobject_release);
}
}
and crashes when it tries to print the string, presumably because the
kobj->name field is either NULL or poisoned. So probably the kobject has
already been freed, or is in the process of being freed?
Any ideas? Any debugging hints?
--
Paul
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