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Message #91410
[Bug 1395269] [NEW] ethtool -t eth0 offline loses routing table
You have been subscribed to a public bug:
ethtool -t eth0 offline does the tests, but leaves the routing table
with only the entry for the local network. I had to sudo route add
default gw 10.0.0.1, in my case. The online test didn't do this.
Ubuntu 14.04, ethtool 1:3.13-1
Linux tesla 3.13.0-39-generic #66-Ubuntu SMP Tue Oct 28 13:30:27 UTC
2014 x86_64 x86_64 x86_64 GNU/Linux
ethtool -i eth0:
driver: e1000e
version: 2.3.2-k
firmware-version: 1.1-0
bus-info: 0000:00:19.0
relevant kernel log:
[637008.472410] e1000e 0000:00:19.0 eth0: offline testing starting
[637009.077985] e1000e 0000:00:19.0 eth0: testing unshared interrupt
[637022.468941] e1000e 0000:00:19.0: irq 45 for MSI/MSI-X
[637022.572094] e1000e 0000:00:19.0: irq 45 for MSI/MSI-X
[637022.572257] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[637037.432893] e1000e: eth0 NIC Link is Up 10 Mbps Full Duplex, Flow Control: Rx/Tx
[637037.433003] e1000e 0000:00:19.0 eth0: Link Speed was downgraded by SmartSpeed
[637037.433005] e1000e 0000:00:19.0 eth0: 10/100 speed: disabling TSO
[637037.433035] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[637037.982611] net_ratelimit: 3 callbacks suppressed
[637037.982623] IPv4: martian source 10.0.0.17 from 80.73.161.44, on dev eth0
[637037.982628] ll header: 00000000: 00 19 d1 11 b4 9b 00 03 6d 11 34 1b 08 00 ........m.4...
(the martian packets are from TCP connections that my router is still
NATing to this machine, even though without its routing table, it's not
happy to see them.)
And yes, my e1000e is autonegotiating to 10baseT/Full on the same
cables and switch that still works at 1000baseT with another machine,
hence running self-tests... I thought this machine used to run at
1000baseT, weird if I went 5 years without noticing my desktop being
slow. Not what this bug report is about, though.
The e1000e hardware is on a DG965WH Intel mobo (ICH8 / g965 graphics, first-gen core2)
00:19.0 Ethernet controller: Intel Corporation 82566DC Gigabit Network Connection (rev 02)
Subsystem: Intel Corporation Device 0001
Flags: bus master, fast devsel, latency 0, IRQ 45
Memory at e0300000 (32-bit, non-prefetchable) [size=128K]
Memory at e0324000 (32-bit, non-prefetchable) [size=4K]
I/O ports at 20e0 [size=32]
Capabilities: [c8] Power Management version 2
Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Kernel driver in use: e1000e
$ ethtool eth0
Settings for eth0:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: No
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Full
100baseT/Full
1000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Speed: 10Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: on
MDI-X: on (auto)
Cannot get wake-on-lan settings: Operation not permitted
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes
Appears to be the same problem as someone reported to Redhat a while ago, which got marked as fixed for the igb driver
https://bugzilla.redhat.com/show_bug.cgi?format=multiple&id=661976
Not very useful info in their BTS, because the bug that it's a dup of is now flagged private, so nobody can even look at it.
Possibly this is a per-driver thing, unless the right fix is to have
ethtool save/restore the routing table entries for that iface.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ethtool 1:3.13-1
ProcVersionSignature: Ubuntu 3.13.0-39.66-generic 3.13.11.8
Uname: Linux 3.13.0-39-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.5
Architecture: amd64
Date: Sat Nov 22 03:00:35 2014
Dependencies:
gcc-4.9-base 4.9.1-0ubuntu1
libc6 2.19-0ubuntu6.3
libgcc1 1:4.9.1-0ubuntu1
multiarch-support 2.19-0ubuntu6.3
SourcePackage: ethtool
UpgradeStatus: Upgraded to trusty on 2014-07-14 (130 days ago)
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
--
ethtool -t eth0 offline loses routing table
https://bugs.launchpad.net/bugs/1395269
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