Re-post without attachments for list readers.
Keir Fraser schrieb am Sun, Jun 05, 2005 at 05:52:13PM +0100:
>
> On 4 Jun 2005, at 18:05, Birger Tödtmann wrote:
>
> >Funnily, nothing happend after
> >starting the first 10-12 nodes, but after "xm create"ing one or two
> >more
> >nodes, the system oopsed with at least some info, but sysrq gone as
> >well. So I wrote it down on a peace of paper ;-) , hopefully someone
> >can make sense of it:
>
> Do you have the vmlinux file? It would be useful to know where in
> net_rx_action the crash is happening.
Apparently it is happening somewhere here:
[...]
0xc028cbe5 <net_rx_action+1135>: test %eax,%eax
0xc028cbe7 <net_rx_action+1137>: je 0xc028ca82 <net_rx_action+780>
0xc028cbed <net_rx_action+1143>: mov %esi,%eax
0xc028cbef <net_rx_action+1145>: shr $0xc,%eax
0xc028cbf2 <net_rx_action+1148>: mov %eax,(%esp)
0xc028cbf5 <net_rx_action+1151>: call 0xc028c4c4 <free_mfn>
0xc028cbfa <net_rx_action+1156>: mov $0xffffffff,%ecx
^^^^^^^^^^
0xc028cbff <net_rx_action+1161>: jmp 0xc028ca82 <net_rx_action+780>
0xc028cc04 <net_rx_action+1166>: call 0xc02c59fe <net_ratelimit>
0xc028cc09 <net_rx_action+1171>: test %eax,%eax
0xc028cc0b <net_rx_action+1173>: jne 0xc028cc47 <net_rx_action+1233>
0xc028cc0d <net_rx_action+1175>: mov 0xc0378b60,%eax
[...]
which is, I presume, reflected by this section within net_rx_action():
[...]
/* Check the reassignment error code. */
status = NETIF_RSP_OKAY;
if ( unlikely(mcl[1].args[5] != 0) )
{
DPRINTK("Failed MMU update transferring to DOM%u\n", netif->domid);
free_mfn(mdata >> PAGE_SHIFT);
status = NETIF_RSP_ERROR;
}
[...]
Kernel image and System.map attached.
Regards,
--
Birger Tödtmann
Technik der Rechnernetze, Institut für Experimentelle Mathematik und Institut
für Informatik und Wirtschaftsinformatik, Universität Duisburg-Essen
email:btoedtmann@xxxxxxxxxxxxxx skype:birger.toedtmann pgp:0x6FB166C9
icq:294947817
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