amd64/131209: 7.1-STABLE amd64 crash

[John Baldwin]

On Tuesday 03 February 2009 12:32:47 pm Roar Pettersen wrote:
> Hello John !
> 
> > Looks to be a bug here.  Can you do 'frame 8' followed by 'l' in kgdb?
> 
> (kgdb) frame 8
> #8  0xffffffff8021d746 in bce_intr (xsc=Variable "xsc" is not available.
> ) at /usr/src/sys/dev/bce/if_bce.c:5748
> 5748                    sc->rx_mbuf_ptr[sw_rx_cons_idx] = NULL;
> 
> (kgdb) l
> 5743                    bus_dmamap_unload(sc->rx_mbuf_tag,
> 5744                        sc->rx_mbuf_map[sw_rx_cons_idx]);
> 5745
> 5746                    /* Remove the mbuf from the RX chain. */
> 5747                    m0 = sc->rx_mbuf_ptr[sw_rx_cons_idx];
> 5748                    sc->rx_mbuf_ptr[sw_rx_cons_idx] = NULL;
> 5749                    DBRUN(sc->debug_rx_mbuf_alloc--);
> 5750                    sc->free_rx_bd++;
> 5751
> 5752                    /*

Hmm, it shouldn't be faulting here. :(  Can you do 'p m0' 'p sw_rx_cons_idx' 
and 'p sc->rx_mbuf_ptr[sw_rx_cons_idx]'?  Also, 'x/i 0xffffffff8021d746'.

-- 
John Baldwin