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Re: [Xen-users] DomU (Centos 5) with dedicated e1000 (intel) device dropping packets


After ifdown, ifup my interface i see packet arriving in it but...

while using tshark to catch packets, here is what i get when it runs :

tshark -i eth0
No log handling enabled - turning on stderr logging
Cannot find module (IP-MIB): At line 0 in (none)
Cannot find module (IF-MIB): At line 0 in (none)
Cannot find module (TCP-MIB): At line 0 in (none)
Cannot find module (UDP-MIB): At line 0 in (none)
Cannot find module (SNMPv2-MIB): At line 0 in (none)
Cannot find module (SNMPv2-SMI): At line 0 in (none)
Cannot find module (UCD-SNMP-MIB): At line 0 in (none)
audit(1196968132.562:2): dev=eth0 prom=256 old_prom=0 auid=4294967295
Capturing on eth0

And nothing...

To correct what i wrote earlier.
Pci export from Dom0 (Debian Etch) to DomU (CentOs 5) works.
I can transfer big files but after a moment, no response (while not using it)

Could it be acpi that standby my card which do work correctly?

Thanks in advance.


Julien Reveillet a écrit :
Hello everybody,

I've finished with pci export from DomU to Dom0 (Debian Etch) but now i have a new problem, and a big one.

My ethernet card is dropping packets but after some time (i can't tell how)
It can work for a day (not in production so not hard tested) and then all packets are dropped.

Look at the ifconfig output :

eth0      Link encap:Ethernet  HWaddr XX:XX:XX:XX:XX:XX
          inet addr:  Bcast:  Mask:
          inet6 addr: fe80::213:72ff:fe0f:1c6a/64 Scope:Link
          RX packets:10505 errors:0 dropped: 352 overruns:0 frame:0
          TX packets:2921 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:2223312 (2.1 MiB)  TX bytes:555445 (542.4 KiB)
          Base address:0xcce0 Memory:fe3e0000-fe400000

Today, nothing was done on it but, a few minutes before, i realised that it was down.

Dmesg output :

Intel(R) PRO/1000 Network Driver - version 7.1.9-k4-NAPI
Copyright (c) 1999-2006 Intel Corporation.
PCI: Enabling device 0000:00:01.0 (0000 -> 0003)
PCI: Setting latency timer of device 0000:00:01.0 to 64
e1000: 0000:00:01.0: e1000_probe: (PCI Express:2.5Gb/s:Width x1) xx:xx:xx:xx:xx:xx
e1000: eth0: e1000_probe: Intel(R) PRO/1000 Network Connection
e1000: eth0: e1000_watchdog: NIC Link is Up 1000 Mbps Full Duplex
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
IPv6 over IPv4 tunneling driver
NET: Registered protocol family 5
eth0: no IPv6 routers present

The interface is still up.

I saw while googling that it could be an hardware problem but this was not in a xen environnement so...

Anybody have seen this before?


Best Regards.

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