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xen-devel
[Xen-devel] Example of broken Network and related issues
xen_changeset : Wed Oct 26 11:59:13 2005 +0100
7500:20d1a79ebe31
UP P4 1.7 gig
This was fine with the changeset right after 2.6.12.5 patch was applied.
Somehow all my dom0's nics got reordered.
cat /etc/modprobe.conf
alias eth0 3c59x
alias eth1 e100
alias eth2 e1000
what should be eth2 is eth1 and vice versa.
[root@tarkus ~]# xm list
Name ID Mem(MiB) VCPUs State Time(s)
Domain-0 0 128 1 r----- 38.4
tdom1 1 73 1 -b---- 15.2
tdom2 2 133 1 ------ 13.0
tdom3 4 409 1 -b---- 15.7
[root@tarkus ~]# brctl show
bridge name bridge id STP enabled interfaces
xenbr0 8000.feffffffffff no peth0
vif0.0
[root@tarkus ~]# xm network-list tdom3
(0 ((backend-id 0) (mac AA:00:66:00:02:03) (handle 0)
(backend /local/domain/0/backend/vif/4/0) (tx-ring-ref 522) (rx-ring-ref
523) (event-channel 8)))
[root@tarkus ~]# ifconfig
eth0 Link encap:Ethernet HWaddr 00:0E:0C:51:20:9E
inet addr:10.255.2.1 Bcast:10.255.2.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:197 errors:0 dropped:0 overruns:0 frame:0
TX packets:157 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:20918 (20.4 KiB) TX bytes:37052 (36.1 KiB)
eth1 Link encap:Ethernet HWaddr 00:B0:D0:07:0A:D1
inet addr:172.16.201.22 Bcast:172.16.201.23
Mask:255.255.255.248
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1541 errors:0 dropped:0 overruns:61 frame:0
TX packets:1313 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:142072 (138.7 KiB) TX bytes:122468 (119.5 KiB)
Interrupt:18 Base address:0xe480
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:700 errors:0 dropped:0 overruns:0 frame:0
TX packets:700 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:74534 (72.7 KiB) TX bytes:74534 (72.7 KiB)
peth0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
UP BROADCAST RUNNING NOARP MULTICAST MTU:1500 Metric:1
RX packets:336 errors:0 dropped:0 overruns:0 frame:0
TX packets:281 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:35277 (34.4 KiB) TX bytes:53117 (51.8 KiB)
Base address:0xe840 Memory:fe1a0000-fe1c0000
vif0.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:157 errors:0 dropped:0 overruns:0 frame:0
TX packets:197 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:37052 (36.1 KiB) TX bytes:20918 (20.4 KiB)
xenbr0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:71 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:4112 (4.0 KiB) TX bytes:0 (0.0 b)
[root@tarkus ~]# brctl showmacs xenbr0
port no mac addr is local? ageing timer
1 00:0e:0c:51:20:9e no 6.75
2 00:e0:81:05:3c:6c no 1.86
[root@tdom3 ~]# ifconfig
eth0 Link encap:Ethernet HWaddr AA:00:66:00:02:03
inet addr:10.255.2.203 Bcast:10.255.2.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:14 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:588 (588.0 b)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:7 errors:0 dropped:0 overruns:0 frame:0
TX packets:7 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:911 (911.0 b) TX bytes:911 (911.0 b)
[root@tarkus ~]# xm network-list tdom1
(0 ((backend-id 0) (mac aa:00:66:00:02:01) (handle 0)
(backend /local/domain/0/backend/vif/1/0) (tx-ring-ref 522) (rx-ring-ref
523) (event-channel 8)))
(1 ((backend-id 0) (mac aa:00:66:01:02:01) (handle 1)
(backend /local/domain/0/backend/vif/1/1) (tx-ring-ref 1036)
(rx-ring-ref 1037) (event-channel 9)))
(2 ((backend-id 0) (mac aa:00:66:02:02:01) (handle 2)
(backend /local/domain/0/backend/vif/1/2) (tx-ring-ref 1550)
(rx-ring-ref 1551) (event-channel 10)))
Three vifs when nics=1
[root@tarkus ~]# xm network-list tdom2
(0 ((backend-id 0) (mac AA:00:66:00:02:02) (handle 0)
(backend /local/domain/0/backend/vif/2/0) (tx-ring-ref 522) (rx-ring-ref
523) (event-channel 8)))
[root@tarkus ~]# xm network-list tdom3
(0 ((backend-id 0) (mac AA:00:66:00:02:03) (handle 0)
(backend /local/domain/0/backend/vif/4/0) (tx-ring-ref 522) (rx-ring-ref
523) (event-channel 8)))
[root@tarkus ~]# grep nics /etc/xen/tdom*
/etc/xen/tdom1:nics = 1
/etc/xen/tdom2:nics = 1
/etc/xen/tdom3:nics = 1
[root@tarkus xen]# md5sum xend-config.sxp
25e7cfe9faecf838135bbf95d75ed477 xend-config.sxp
default
Whatever happened somewhere around that 2.6.12.5 patch correctly applied
is wreaking havoc. I also still have APCI errors on my SMP Athlon with
anything after that at well.
Changeset 7396 was the last marginally usable changeset that worked on
both my UP P4 and SMP Athlon.
Regards,
Ted
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