[Xen-bugs] [Bug 131] New: xenU session destroyed while receiving a file by scp from another machine

[hien1@xxxxxxxxxx]

http://bugzilla.xensource.com/cgi-bin/bugzilla/show_bug.cgi?id=131

           Summary: xenU session destroyed while receiving a file by scp
                    from another machine
           Product: Xen
           Version: unstable
          Platform: x86
        OS/Version: Linux-2.6
            Status: NEW
          Severity: major
          Priority: P1
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: hien1@xxxxxxxxxx
                CC: pl@xxxxxxxxxx,sglass@xxxxxxxxxx


I have a xen0 with OS of SLES9 SP2 RC4 on a x86 machine (x335). I created a xenU
using file-backed VBD and network using bridge.



vm xenU was destroyed  while scping a file ( about 3 MB) from another machine:

  scp ltp-full-20050605.tgz 9.3.189.202:/tmp

console shows the following Oops mesg at the time it died:
dragon-p5-sf4-net2:/var/log # Oops: 0002 Ä#1Ü
PREEMPT SMP
Modules linked in:
EIP:    0061:Ä<c02f427c>Ü    Not tainted VLI
CPU:    0
-------------


Here are network config in vm xenU:

dragon-p5-sf4-net2:/etc/sysconfig/network # ip addr show
1: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
                                                                                
    link/ether aa:00:00:18:b7:57 brd ff:ff:ff:ff:ff:ff
    inet 9.3.189.202/24 brd 9.3.189.255 scope global eth0
qlen 10002: eth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast
dragon-p5-sf4-net2:/etc/sysconfig/network # ip route show
9.3.189.0/24 dev eth0  proto kernel  scope link  src 9.3.189.202
169.254.0.0/16 dev eth0  scope link 127.0.0.0/8 dev lo  scope link
default via 9.3.189.1 dev eth0dragon-p5-sf4-net2:/etc/sysconfig/network # ip
route show
9.3.189.0/24 dev eth0  proto kernel  scope link  src 9.3.189.202
169.254.0.0/16 dev eth0  scope link
127.0.0.0/8 dev lo  scope link
default via 9.3.189.1 dev eth0



-----------------
network config on xen0:
x335-hien2:ß # ip addr show
1: eth0: <BROADCAST,MULTICAST,NOARP,UP> mtu 1500 qdisc pfifo_fast qlen 1000
    link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
2: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop qlen 1000
    link/ether 00:11:25:3e:0c:67 brd ff:ff:ff:ff:ff:ff
3: lo: <LOOPBACK,UP> mtu 16436 qdisc noqueue
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
4: vif0.0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
    link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
5: veth0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
    link/ether 00:11:25:3e:0c:66 brd ff:ff:ff:ff:ff:ff
    inet 9.3.189.226/24 brd 9.3.189.255 scope global veth0
6: xen-br0: <BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
    link/ether fe:ff:ff:ff:ff:ff brd ff:ff:ff:ff:ff:ff
x335-hien2:ß # ip route show
9.3.189.0/24 dev veth0  proto kernel  scope link  src 9.3.189.226
169.254.0.0/16 dev veth0  scope link
127.0.0.0/8 dev lo  scope link
default via 9.3.189.1 dev veth0
x335-hien2:ß #
x335-hien2:ß # ifconfig
eth0      Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          UP BROADCAST RUNNING NOARP MULTICAST  MTU:1500  Metric:1
          RX packets:592849 errors:0 dropped:0 overruns:0 frame:0
          TX packets:14956 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:115908533 (110.5 Mb)  TX bytes:1496519 (1.4 Mb)
          Interrupt:24
                                                                                
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:7874 errors:0 dropped:0 overruns:0 frame:0
          TX packets:7874 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:832696 (813.1 Kb)  TX bytes:832696 (813.1 Kb)
                                                                                
veth0     Link encap:Ethernet  HWaddr 00:11:25:3E:0C:66
          inet addr:9.3.189.226  Bcast:9.3.189.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:546509 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3478 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:78375854 (74.7 Mb)  TX bytes:651843 (636.5 Kb)
                                                                                
vif0.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3478 errors:0 dropped:0 overruns:0 frame:0
          TX packets:546509 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:651843 (636.5 Kb)  TX bytes:78375854 (74.7 Mb)
                                                                                
vif4.0    Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:17 errors:0 dropped:4570 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b)  TX bytes:2066 (2.0 Kb)
                                                                                
xen-br0   Link encap:Ethernet  HWaddr FE:FF:FF:FF:FF:FF
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:456499 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:60068805 (57.2 Mb)  TX bytes:0 (0.0 b)



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