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Patrick McHardy kaber at trash.netAm 10.01.2011 09:27, schrieb Barry Myles: > I'm using the linux-dect code and experimenting with dectmon and the libdect > examples. Mostly, I think they are working well. I have a com-on-air type II > card and it's in an aging P4 laptop. However, I'm having some kernel stability > problems. The machine runs stabily forever before the card is configured with > the netlink utilities. However, once the card is configured then a few minutes > later the kernel will oops. > > I'm configuring the card something like: > dect-cluster-add --name cluster0 --emc 0xABCD --fpn 0x12345 --mode PP > dect-cell-add --name cell0 --cluster cluster0 --flags monitor > dect-transceiver-bind --transceiver trx0 --cell cell0 > > Until the kernel oops then everything seems to work fine and dectmon, for > example will happily log what it sees. > > I've attached two kernel logs which seem fairly typical of what is happening. > > Can anyone help? > > [ 120.118216] BUG: unable to handle kernel NULL pointer dereference at 000003d0 > [ 120.119021] IP: [<c148faea>] _raw_spin_lock+0x15/0x27 This looks odd, apparently the transceiver group vanished. Could you send me your .config and the net/dect/transceiver.o files please?