Date: Wed, 27 Nov 2002 00:43:23 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: aurelien.nephtali@wanadoo.fr Cc: current@FreeBSD.ORG Subject: Re: PANIC: "Most recently used by bus" Message-ID: <20021127.004323.65008236.imp@bsdimp.com> In-Reply-To: <20021127.003130.15920342.imp@bsdimp.com> References: <20021126192147.GB530@nebula.wanadoo.fr> <20021127.003130.15920342.imp@bsdimp.com>
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In message: <20021127.003130.15920342.imp@bsdimp.com>
"M. Warner Losh" <imp@bsdimp.com> writes:
: In message: <20021126192147.GB530@nebula.wanadoo.fr>
: Aurelien Nephtali <aurelien.nephtali@wanadoo.fr> 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.
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
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