[Xen-users] Re: [Fedora-xen] Guest VM dropping connection.

[Mark Nielsen <mnielsen@xxxxxxxxxx>]

are you seeing any messages on the host about the network bouncing?

Ubaidul Khan wrote:
> 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
> >
> > --
> > Fedora-xen mailing list
> > Fedora-xen@xxxxxxxxxx
> > https://www.redhat.com/mailman/listinfo/fedora-xen
> >     
> _________________________________________________________________
> Share life as it happens with the new Windows Live.
> http://www.windowslive.com/share.html?ocid=TXT_TAGHM_Wave2_sharelife_012008
>
> --
> Fedora-xen mailing list
> Fedora-xen@xxxxxxxxxx
> https://www.redhat.com/mailman/listinfo/fedora-xen
>

Attachment: mnielsen.vcf
Description: Vcard

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users