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xen-users
[Xen-users] RE: [Fedora-xen] Guest VM dropping connection.
I am still experiencing the same problems but I am seeing some weird messages
in /var/log/messages:
Jan 15 10:48:32 tsubo-dr kernel: device eth0 left promiscuous mode
Jan 15 10:49:50 tsubo-dr kernel: Removing netfilter NETLINK layer.
Jan 15 10:49:50 tsubo-dr kernel: ip_tables: (C) 2000-2006 Netfilter Core Team
Jan 15 10:49:50 tsubo-dr kernel: Netfilter messages via NETLINK v0.30.
Jan 15 10:49:50 tsubo-dr kernel: ip_conntrack version 2.4 (8192 buckets, 65536
max) - 304 bytes per conntrack
Jan 15 10:49:56 tsubo-dr kernel: device eth0 entered promiscuous mode
Jan 15 10:50:25 tsubo-dr kernel: device eth0 left promiscuous mode
Jan 15 10:54:08 tsubo-dr kernel: device eth0 entered promiscuous mode
Jan 15 10:54:37 tsubo-dr kernel: device eth0 left promiscuous mode
The loss of connection is happening during the windows when the interface
enters/leaves promiscuious mode.
----------------------------------------
> From: ukhanlists@xxxxxxxxxxx
> To: xen-users@xxxxxxxxxxxxxxxxxxx; fedora-xen@xxxxxxxxxx
> Date: Mon, 30 Jul 2007 22:04:45 -0400
> CC:
> Subject: [Fedora-xen] Guest VM dropping connection.
>
> I am running RHEL5 Guest and Host. The guest OS is dropping network
> connections occasionally(I noticed my ssh session suddenly terminated). The
> guest is configured with private network interface and a public network
> interface. Following are the bridge/network settings for the host:
>
> bridge name bridge id STP enabled interfaces
> xenbr0 8000.feffffffffff no vif2.0
>
> vif1.0
>
> peth0
>
> vif0.0
>
> xenbr1 8000.fefffffffffe no vif2.1
>
> peth1
>
> vif0.3
>
> xenbr1 is dedicated to provide the private network link for the guest os.
> Following is the guest OS configuration:
>
> # Automatically generated xen config file
> name = "saleen_webvm0"
> memory = "1000"
> disk = [
> 'tap:aio:/vms/img/redhat/linux/es/5.0/x86_64/saleen_webvm0.img,xvda,w','phy:/dev/sdc,xvdb,w'
>
> ]
> vif = [ 'mac=00:16:3e:2e:6f:e1, bridge=xenbr0','mac=00:16:3e:2f:9e:b1,
> bridge=xenbr1',]
> # vif = [ 'mac=00:16:3e:2e:6f:e1, bridge=xenbr0',]
> vfb = ["type=vnc,vncunused=1"]
> uuid = "122374dc-26a3-cb0d-99f8-3393e2481777"
> bootloader="/usr/bin/pygrub"
> vcpus=2
> on_reboot = 'restart'
> on_crash = 'restart'
>
> Following is the output of ifconfig:
>
> eth0 Link encap:Ethernet HWaddr 00:14:4F:40:D8:70
> inet addr:xxx.xxx.xxx.xxx Bcast:xxx.xxx.xxx.255
> Mask:255.255.255.0
> inet6 addr: fe80::214:4fff:fe40:d870/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:79313 errors:0 dropped:0 overruns:0 frame:0
> TX packets:1167 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:6619719 (6.3 MiB) TX bytes:115448 (112.7 KiB)
>
> eth1 Link encap:Ethernet HWaddr 00:14:4F:40:D8:71
> inet addr:xxx.xxx.xxx.xxx Bcast:xxx.xxx.xxx.255
> Mask:255.255.255.0
> inet6 addr: fe80::214:4fff:fe40:d871/64 Scope:Link
> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
> RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:0
> RX bytes:0 (0.0 b) TX bytes:720 (720.0 b)
>
> peth0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
> inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
> UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
> RX packets:105404 errors:0 dropped:0 overruns:0 frame:0
> TX packets:13455 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:9122426 (8.6 MiB) TX bytes:1997833 (1.9 MiB)
> Base address:0x8c00 Memory:fa5e0000-fa600000
>
> peth1 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FE
> inet6 addr: fe80::fcff:ffff:feff:fffe/64 Scope:Link
> UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
> RX packets:9239102 errors:0 dropped:0 overruns:0 frame:0
> TX packets:5337342 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:1000
> RX bytes:12420212276 (11.5 GiB) TX bytes:523849820 (499.5 MiB)
> Base address:0x8800 Memory:fa5c0000-fa5e0000
>
> vif1.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
> inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
> UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
> RX packets:2174 errors:0 dropped:0 overruns:0 frame:0
> TX packets:80032 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:32
> RX bytes:446031 (435.5 KiB) TX bytes:6941997 (6.6 MiB)
>
> vif2.0 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
> inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
> UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
> RX packets:10084 errors:0 dropped:0 overruns:0 frame:0
> TX packets:89284 errors:0 dropped:0 overruns:0 carrier:0
> collisions:0 txqueuelen:32
> RX bytes:1186096 (1.1 MiB) TX bytes:7380350 (7.0 MiB)
>
> vif2.1 Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
> inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
> UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
> RX packets:5337343 errors:0 dropped:0 overruns:0 frame:0
> TX packets:9239082 errors:0 dropped:20 overruns:0 carrier:0
> collisions:0 txqueuelen:32
> RX bytes:403712612 (385.0 MiB) TX bytes:12383227754 (11.5 GiB)
>
> Any help is greately appreciated.
>
> _________________________________________________________________
> http://liveearth.msn.com
>
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