Re: Re: [vserver] Networktroubles centos6

From: Roman Pretory <roman.pretory_at_austrianonlines.com>
Date: Fri 09 Mar 2012 - 22:09:05 GMT
Message-ID: <05eaaa17b1448e2b744014da2d8f6b3f@10.0.0.6>

This Sever have quit the simples network config from all my Servers

He have 2 nic's, motherbord default realtech unused and Intel Desktop
Pro1000GT

The Intel is changed to be eth0 in the
/etc/udev/rules.d/70-persistent-net.rules

eth0 is unconfigured
br0 have 192.168.1.2/24 GW 192.168.1.1
Xp-Box 192.168.1.10/24 GW 192.168.1.1 (KVM)
Samba/VS 192.168.1.11/24 GW 192.168.1.1

Kernel:kernel 2.6.32-220.4.1.el6.vs2.3.0.36.29.6.21
Nic driver is loaded as Modul and kernel default // no reload done

please have a look in dmesg yourself.(dmesg.txt)

--
Roman
On Sat, 10 Mar 2012 08:36:31 +1100, Steve Kieu <msh.computing@gmail.com>
wrote:
> What is the network configuration for the window XP box? How the network
in
> the host machine configured like how many NICs, and IP assignment to
> vserver/ the kvm etc..
> 
> Instead of rebooting if your NIC driver is loaded as module, did you try
to
> unload/reload it and see if problem  disappear?
> 
> 
> I got some network problems before with stock kernel 2.6.32.54 something
> (from kernel.org and with vserver patch) in some cases - esp. multiple
> nics/networks gateway setup. I swtich to 2.6.37.5 and no problem so far.
> 
> 
> Did you see anything in the dmesg log? Something abt warn slow path in
> networking stack?
> 
> 
> 
> 
> 
> 
> On Fri, Mar 9, 2012 at 11:43 PM, Roman Pretory
> <roman.pretory@austrianonlines.com> wrote:
> Hello
> 
> I have in the moment curious networktroubles
> 
> The system is a Centos 6.2 fully updated.
> 
> Kernel and Utils are from rpm.hozac.com
> 
> on this server is running a Vserver Centos 5 with samba und a qemu with
> windows xp
> 
> It's running without any troubles 1 Month or so now,
> normaly I have 60Mbit by samba file copy.
> 
> if the server is resarted it begin after 2 hourers or a days later that
> they have errors in the connection.
> in this time I have only 128kbit by file copy and the ping to the server
> is
> on gbLan over 90ms.
> 
> The strange is that the virtuell xp have no troubles, all is running
fine,
> if I stop all virtual servers the ping to the hostsystem makes no change,
> only reboot bring back normal status.
> 
> I have looked in top, netstat, logs nothing, also stopping alles
> unnesessary service make no change..
> 
> so I have change the networkcard from an intel Destopadapter to a
> realtech,
> the result is that the troubles came faster back.
> 
> The last idea I have is that the motherboard is overclocking the pci
bus..
> and i have to change to a pci-e card
> 
> if anyone have an better idea for me I would be happy.
> 
> --
> Roman
> 
> 
> 
> 
> 
> 
> 
> 
>

Received on Fri Mar 9 22:09:16 2012
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