Messages in this thread | | | Date | Thu, 08 Feb 2001 23:30:50 -0500 | From | Thomas Hood <> | Subject | Re: Bug: 2.4.0 w/ PCMCIA on ThinkPad: KERNEL: assertion(dev->ip_ptr==NULL)failed at dev.c(2422):netdev_finish_unregister |
| |
This problem has been resolved (sort of). See the follow up to "[PATCH] to deal with bad dev->refcnt in unregister_netdevice()"
Thomas Hood
> Here is a patch which may not solve the underlying > problem but which does prevent the kernel from > generating an infinite number of error messages > on "cardctl eject" and from hanging up on shutdown. > > ---------------------------------------------------- > jdthood@thanatos:/usr/src/kernel-source-2.4.1-ac3/net/core# diff dev.c_ORIG dev.c > 2558c2558 > < while (atomic_read(&dev->refcnt) != 1) { > --- > > while (atomic_read(&dev->refcnt) > 1) { > ----------------------------------------------------- > > The underlying problem is that refcnt is zero or less > at this point. This is erroneous. The error in > maintaining the refcnt appears to occur only when > I configure the eth0 interface using pump or dhclient. > Be that as it may, because of the erroneous refcnt, > this while loop loops forever in the original. As > modified it falls through; and this makes the kernel > usable for me. > > I hope the networking gurus can find the real bug. > > Thomas Hood > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
| |