Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 3 Feb 2009 12:55:29 -0500
From:      John Baldwin <jhb@freebsd.org>
To:        Roar Pettersen <roar.pettersen@uib.no>
Cc:        freebsd-gnats-submit@freebsd.org, freebsd-amd64@freebsd.org
Subject:   Re: amd64/131209: 7.1-STABLE amd64 crash
Message-ID:  <200902031255.29430.jhb@freebsd.org>
In-Reply-To: <Pine.SOC.4.64.0902031832130.4565@alf.uib.no>
References:  <200901311529.n0VFTj73014198@www.freebsd.org> <200902031020.33158.jhb@freebsd.org> <Pine.SOC.4.64.0902031832130.4565@alf.uib.no>

next in thread | previous in thread | raw e-mail | index | archive | help
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



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200902031255.29430.jhb>