On Wed, Nov 27, 2002 at 12:43:23AM -0700, M. Warner Losh wrote: > In message: <[EMAIL PROTECTED]> > "M. Warner Losh" <[EMAIL PROTECTED]> writes: > : In message: <[EMAIL PROTECTED]> > : Aurelien Nephtali <[EMAIL PROTECTED]> writes: > : : I've got a panic by unplugging my NIC then plugging it again and then doing > : : a dhclient <interface>. I've attached some informations about the panic. > : > : Kill the dhclient after you unplug the interface, but before you plug > : it back in.
I've killed it before, as always. > > This can also be caused by a bug in the network driver. If it failed > to attach for some reason, but created (and not destroyed) a mutex, > then the WITNESS code will modify the softc after it has been freed, > trigging the panic you described. > > Warner Yes, I think it's a bug too. I've already unplugged/plugged my NIC in the past without any problem (and always with WITNESS enabled) so maybe it's a new bug introduced recently, but I've not seen any commit about if_ed recently. -- Aurélien
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