I'm running Open Media Vault on top of debian (headless).
the motherboard is an old Atom miniITX with onboard 10/100 NIC and i've plugged a gigabet card into the PCI card and all has been good for many years.
last week we had an extended power cut and brown out.
The BIOS got reset, and i had to install a new BIOS battery.
so here is the wierd part.
The on board network works fine.
The PCI card gigabit card does not work (can't ping)
I thought maybe the card was gone so i swapped it out for a realtek gigabit card, same issue.
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root@mediafiler:~# dmesg | grep eth
[ 1.657408] r8169 0000:01:02.0: eth0: RTL8169sb/8110sb at 0xf7eb4800, e8:de:27:a8:92:f9, XID 10000000 IRQ 17
[ 1.704500] eth1: RealTek RTL8139 at 0xc800, 00:22:68:44:0f:0a, IRQ 19
[ 6.517640] udev[357]: renamed network interface eth0 to eth3
[ 6.520806] udev[361]: renamed network interface eth1 to eth0
[ 10.071544] eth0: link down
[ 10.072093] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 10.139773] r8169 0000:01:02.0: eth3: link down
[ 10.140387] ADDRCONF(NETDEV_UP): eth3: link is not ready
[ 12.486190] r8169 0000:01:02.0: eth3: link up
[ 12.486664] ADDRCONF(NETDEV_CHANGE): eth3: link becomes ready
[ 321.414621] r8169 0000:01:02.0: eth3: link down
[ 324.247128] eth0: link up, 100Mbps, full-duplex, lpa 0xC5E1
[ 324.247515] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 505.519527] eth0: link down
[ 508.814696] r8169 0000:01:02.0: eth3: link up
[ 1490.581826] r8169 0000:01:02.0: eth3: link down
[ 1492.942505] eth0: link up, 100Mbps, full-duplex, lpa 0xC5E1
eth 3 is the realtek gigabit card
(eth2 is the intel card that was working fine until the power cut; not currently installed)
here is my interfaces config
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# The loopback network interface
auto lo
iface lo inet loopback
iface lo inet6 loopback
# eth0 network interface
auto eth0
allow-hotplug eth0
iface eth0 inet static
address 192.168.1.21
gateway 192.168.1.254
netmask 255.255.255.0
post-up /sbin/ifconfig $IFACE mtu 1500
dns-nameservers 192.168.1.254 192.231.203.3
iface eth0 inet6 manual
pre-down ip -6 addr flush dev eth0
# eth3 network interface
auto eth3
allow-hotplug eth3
iface eth3 inet static
address 192.168.1.21
gateway 192.168.1.254
netmask 255.255.255.0
post-up /sbin/ifconfig $IFACE mtu 1500
dns-nameservers 192.168.1.254 192.231.203.3
iface eth3 inet6 manual
pre-down ip -6 addr flush dev eth3
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root@mediafiler:~# lspci
00:00.0 Host bridge: Intel Corporation 82945G/GZ/P/PL Memory Controller Hub (rev 02)
00:02.0 VGA compatible controller: Intel Corporation 82945G/GZ Integrated Graphics Controller (rev 02)
00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio Controller (rev 01)
00:1d.0 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #1 (rev 01)
00:1d.1 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #2 (rev 01)
00:1d.2 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #3 (rev 01)
00:1d.3 USB Controller: Intel Corporation N10/ICH 7 Family USB UHCI Controller #4 (rev 01)
00:1d.7 USB Controller: Intel Corporation N10/ICH 7 Family USB2 EHCI Controller (rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1)
00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge (rev 01)
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 01)
00:1f.2 IDE interface: Intel Corporation N10/ICH7 Family SATA IDE Controller (rev 01)
00:1f.3 SMBus: Intel Corporation N10/ICH 7 Family SMBus Controller (rev 01)
01:02.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8169 Gigabit Ethernet (rev 10)
01:06.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
any ideas?