linux-generic-hwe-16.04-edge from xenial-proposed repo fixes the
problem.
$ sudo cat /etc/apt/sources.list | grep proposed
deb http://archive.ubuntu.com/ubuntu xenial-proposed main
$ sudo apt-cache policy linux-generic-hwe-16.04-edge
linux-generic-hwe-16.04-edge:
Installed: 4.10.0.23.16
Candidate: 4.10.0.23.16
Version table:
*** 4.10.0.23.16 500
500 http://archive.ubuntu.com/ubuntu xenial-proposed/main amd64 Packages
100 /var/lib/dpkg/status
4.10.0.22.15 500
500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
500 http://archive.ubuntu.com/ubuntu xenial-security/main amd64 Packages
$ uname -a
Linux <hostname-omitted> 4.10.0-23-generic #25~16.04.1-Ubuntu SMP Fri Jun 9
10:45:17 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
$ ip link show | grep bond0
bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 9000 qdisc noqueue master
br-bond0 state UP mode DEFAULT group default qlen 1000
$ sudo ovs-vsctl list-br | grep br-int
br-int
$ ip link show | grep br-int
32: br-int: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT
group default qlen 1000
$ sudo ip link set br-int mtu 9000
$ ip link show | grep br-int
32: br-int: <BROADCAST,MULTICAST> mtu 9000 qdisc noop state DOWN mode DEFAULT
group default qlen 1000
also solves BUG mentioned in LP#1685742
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https://bugs.launchpad.net/bugs/1679823
Title:
bond0: Invalid MTU 9000 requested, hw max 1500 with kernel 4.8 / 4.10
in XENIAL LTS
Status in Linux:
Unknown
Status in linux package in Ubuntu:
Triaged
Status in linux-hwe package in Ubuntu:
Fix Released
Status in linux-hwe-edge package in Ubuntu:
Confirmed
Status in linux source package in Xenial:
Confirmed
Status in linux-hwe source package in Xenial:
Fix Released
Status in linux-hwe-edge source package in Xenial:
Confirmed
Status in linux source package in Yakkety:
Fix Released
Status in linux-hwe source package in Yakkety:
Fix Committed
Status in linux-hwe-edge source package in Yakkety:
Fix Committed
Status in linux source package in Zesty:
In Progress
Status in linux-hwe source package in Zesty:
Confirmed
Status in linux-hwe-edge source package in Zesty:
Confirmed
Bug description:
Since I upgraded the kernel from linux-image-4.8.0-46-generic to
linux-image-extra-4.10.0-14-generic I'm facing an issue when I want to
change the MTU.
It seems to be known bug already fixed:
https://bugzilla.kernel.org/show_bug.cgi?id=194763
# ip l sh eno49
2: eno49: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 9000 qdisc mq master
bond0 state UP mode DEFAULT group default qlen 1000
link/ether 5c:b9:01:8a:61:e9 brd ff:ff:ff:ff:ff:ff
# ip l sh eno50
3: eno50: <BROADCAST,MULTICAST,SLAVE,UP,LOWER_UP> mtu 9000 qdisc mq master
bond0 state UP mode DEFAULT group default qlen 1000
link/ether 5c:b9:01:8a:61:e9 brd ff:ff:ff:ff:ff:ff
# ip l sh bond0
6: bond0: <BROADCAST,MULTICAST,MASTER,UP,LOWER_UP> mtu 1500 qdisc noqueue
state UP mode DEFAULT group default qlen 1000
link/ether 5c:b9:01:8a:61:e9 brd ff:ff:ff:ff:ff:ff
# ip l set mtu 9000 bond0
RTNETLINK answers: Invalid argument
root@controller002[SRV][YUL]:~# tail -1 /var/log/syslog
Apr 4 19:36:28 controller002 kernel: [ 8869.077853] bond0: Invalid MTU 9000
requested, hw max 1500
# modinfo ixgbe
filename:
/lib/modules/4.10.0-14-generic/kernel/drivers/net/ethernet/intel/ixgbe/ixgbe.ko
version: 4.4.0-k
license: GPL
description: Intel(R) 10 Gigabit PCI Express Network Driver
# modinfo bonding
filename:
/lib/modules/4.10.0-14-generic/kernel/drivers/net/bonding/bonding.ko
author: Thomas Davis, [email protected] and many others
description: Ethernet Channel Bonding Driver, v3.7.1
version: 3.7.1
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