Can confirm, this bug, is present in 4.8.0-49
dpkg -l | grep linux-image
ii linux-image-4.8.0-49-generic 4.8.0-49.52~16.04.1
amd64 Linux kernel image for version 4.8.0 on 64 bit x86 SMP
ii linux-image-extra-4.8.0-49-generic 4.8.0-49.52~16.04.1
amd64 Linux kernel extra modules for version 4.8.0 on 64
bit x86 SMP
ii linux-image-generic-hwe-16.04 4.8.0.49.21
amd64 Generic Linux kernel image
# dmesg | tail -n 10
[26794.190251] enp1s10: Invalid MTU 9000 requested, hw max 68
[26814.409107] enp1s10: Invalid MTU 9000 requested, hw max 68
[27052.974824] enp1s10: Invalid MTU 4500 requested, hw max 68
[27057.685078] enp1s10: Invalid MTU 1600 requested, hw max 68
[27066.995768] enp0s7: Invalid MTU 9000 requested, hw max 68
lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.2 LTS
Release: 16.04
Codename: xenial
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https://bugs.launchpad.net/bugs/1679823
Title:
bond0: Invalid MTU 9000 requested, hw max 1500 with kernel 4.10 (or
4.8.0-49)
Status in Linux:
Unknown
Status in linux package in Ubuntu:
Triaged
Status in linux-hwe package in Ubuntu:
Confirmed
Status in linux-hwe-edge package in Ubuntu:
Confirmed
Status in linux source package in Yakkety:
In Progress
Status in linux-hwe source package in Yakkety:
Confirmed
Status in linux-hwe-edge source package in Yakkety:
Confirmed
Status in linux source package in Zesty:
Fix Released
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, tada...@lbl.gov and many others
description: Ethernet Channel Bonding Driver, v3.7.1
version: 3.7.1
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