Re: [Xen-API] Re: XCP BETA BUG: bridge, kernel panic

[Sébastien Riccio <sr@xxxxxxxxxxxxxxx>]

Hi,

[root@xcp11 ~]# cat /etc/xensource/network.conf
openvswitch

[root@xcp11 ~]# ovs-vsctl --version
ovs-vsctl (Open vSwitch) 1.0.2
Compiled Feb  7 2011 17:28:47

[root@xcp11 ~]# brctl show
bridge name     bridge id               STP enabled     interfaces
xapi1           0000.bc305b3883c8       no              bond0
                                                        eth5
                                                        eth4
xenbr0          0000.bc305b3883c0       no              eth0
xenbr1          0000.bc305b3883c2       no              eth1
xenbr2          0000.bc305b3883c4       no              eth2
xenbr3          0000.bc305b3883c6       no              xapi7

[root@xcp11 ~]# brctl addbr test

Message from syslogd@ at Thu Sep 15 19:47:37 2011 ...
xcp12 kernel: Oops: 0000 [#1] SMP

Message from syslogd@ at Thu Sep 15 19:47:37 2011 ...
xcp12 kernel: last sysfs file: /sys/class/net/lo/carrier

Message from syslogd@ at Thu Sep 15 19:47:37 2011 ...
xcp12 kernel: Process modprobe (pid: 9791, ti=ee3c2000 task=ece757f0 
task.ti=ee3c2000)
Message from syslogd@ at Thu Sep 15 19:47:37 2011 ...
xcp12 kernel: Stack:

Message from syslogd@ at Thu Sep 15 19:47:37 2011 ...
xcp12 kernel: Call Trace:

Message from syslogd@ at Thu Sep 15 19:47:37 2011 ...
xcp12 kernel: Code: 00 00 e8 c4 21 00 00 8b 5d f4 31 c0 8b 75 f8 8b 7d 
fc 89 ec 5d c3 90 8d 74 26 00 ff 24 95 a0 73 fa f0 f6 41 30 04 75 d3 8b 
55 f0 <8b> 42 14 f6 80 b8 00 00 00 01 74 c4 89 d0 e8 0d b7 3d cf 89 f8
Message from syslogd@ at Thu Sep 15 19:47:37 2011 ...
xcp12 kernel: EIP: [<f0fa4050>] br_device_event+0x70/0x150 [bridge] 
SS:ESP 0069:ee3c3f18
Message from syslogd@ at Thu Sep 15 19:47:37 2011 ...
xcp12 kernel: CR2: 0000000000000014


That was kinda trivial to reproduce it. If it's a bug of version 1.0.2 
and as they are currently working hard to release the next XCP version, 
it could be a good thing to have it upgraded to a recent version like 
1.1.2 or 1.2.1.
ps: cc'ing mike McClurg who is in charge of XCP


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