Date: Tue, 3 Feb 2009 18:50:03 GMT From: John Baldwin <jhb@freebsd.org> To: freebsd-amd64@FreeBSD.org Subject: Re: amd64/131209: 7.1-STABLE amd64 crash Message-ID: <200902031850.n13Io3mn091521@freefall.freebsd.org>
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The following reply was made to PR amd64/131209; it has been noted by GNATS. From: John Baldwin <jhb@freebsd.org> To: Roar Pettersen <roar.pettersen@uib.no> Cc: freebsd-amd64@freebsd.org, freebsd-gnats-submit@freebsd.org Subject: Re: amd64/131209: 7.1-STABLE amd64 crash Date: Tue, 3 Feb 2009 13:40:08 -0500 On Tuesday 03 February 2009 1:02:04 pm Roar Pettersen wrote: > Hello ! > > > 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'. > > > (kgdb) p m0 > No symbol "m0" in current context. > (kgdb) p sw_rx_cons_idx > No symbol "sw_rx_cons_idx" in current context. > (kgdb) p sc->rx_mbuf_ptr[sw_rx_cons_idx] > No symbol "sc" in current context. You have to be at 'frame 8' for these to work. > (kgdb) x/i 0xffffffff8021d746 > 0xffffffff8021d746 <bce_intr+710>: mov 0x10(%r14),%r10 Ok, so %r14 is presumably NULL. Looking at the disassembly, I think m0 is NULL. This is a bug in bce(4) of some sort. You can try e-mailing davidch@. -- John Baldwin
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