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#1 2013-01-20 17:34:02

SgrA
Member
Registered: 2011-06-08
Posts: 36

Duplicate Ethernet Interface - Connection Issues

Hi,

   Recently, after rebooting, I had a continuous stream of error messages on my login terminal, and I couldn't connect to the network.

[  669.236979] genirq: Flags mismatch irq 0. 00000080 (eth0) vs. 00015a20 (timer)
[  670.235840] genirq: Flags mismatch irq 0. 00000080 (eth0) vs. 00015a20 (timer)
[  671.234701] genirq: Flags mismatch irq 0. 00000080 (eth0) vs. 00015a20 (timer)
# ping www.google.com
ping: unknown host www.google.com
# ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN mode DEFAULT 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: eth0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT qlen 1000
    link/ether de:34:07:d0:d9:29 brd ff:ff:ff:ff:ff:ff
3: eth1: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT qlen 1000   ## Duplicate interfaces?
    link/ether 00:24:1d:a2:f7:c5 brd ff:ff:ff:ff:ff:ff
# ifconfig eth0 up                
SIOCSIFFLAGS: Device or resource busy
# ifconfig eth1 up
# dhcpcd eth1
dhcpcd[732]: version 5.6.4 starting
dhcpcd[732]: eth1: sending IPv6 Router Solicitation
dhcpcd[732]: eth1: rebinding lease of 192.168.1.3
dhcpcd[732]: eth1: acknowledged 192.168.1.3 from 192.168.1.1
dhcpcd[732]: eth1: checking for 192.168.1.3
dhcpcd[732]: eth1: sending IPv6 Router Solicitation
dhcpcd[732]: eth1: leased 192.168.1.3 for 2592000 seconds
dhcpcd[732]: forked to background, child pid 780
# ping www.google.com
64 bytes from bom03s02-in-f18.1e100.net (74.125.236.146): icmp_seq=1 ttl=56 time=11.6 ms

After manually configuring eth1, and assigning it an IP, everything works normally. Another bunch of curious messages at boot up were these:

[    0.271521] pci 0000:01:07.0: BAR 1: error updating (0xfde00000 != 0x000000)
[    0.271553] pci 0000:01:07.0: BAR 3: error updating (0xfdf10008 != 0x000008)
[    0.271583] pci 0000:01:07.0: BAR 2: error updating (0x00c001 != 0x00cc09)

What would be a clean way to fix this?

Thanks in advance!

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