please reopen if this is still an issue
** Changed in: systemd (Ubuntu)
Status: Confirmed => Invalid
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Title:
Predictable interface names
** Tags added: cscc
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Title:
Predictable interface names partially broken with igb driver
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Just talked to a SuperMicro tech agent and has sent me a non released
BIOS update for the X9DRI-4LNF motherboard, which fixes Spectre and
several other fixes, including the enumeration problem of the ethernet
jacks of this board.
This BIOS update is v3.3 and dated from May 2018, so pretty recent,
I observe the same effect on Asus P10S-M WS motherboard with Ubuntu
18.04, kernel 4.15.0-22-generic
(from lshw :)
product: P10S-M WS Series
vendor: ASUSTeK COMPUTER INC.
version: Rev 1.xx
description: BIOS
vendor: American Megatrends Inc.
version: 4401
date: 03/05/2018
'biosdevname -d' prints
** Changed in: systemd (Ubuntu)
Importance: Undecided => Medium
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Title:
Predictable interface names partially broken with igb driver
To
quick update, fwiw I just got an updated bios from a SM tech and it
worked:
$ sudo biosdevname -d | grep "BIOS dev"
BIOS device: em1
BIOS device: em2
BIOS device: em3
BIOS device: em4
The bios's reported version from the BIOS screen is 3.2,
Dear all,
I have a supermicro X9DRI-4LNF and experiencing the same issue. @pdxvoyd
mentioned this does not happen on BIOS 3.0 but it does for us.
Running latest xenial server with kernel 4.4.0-66.
sudo biosdevname -d | grep device
BIOS device: em1
BIOS device: em1
BIOS device: em1
BIOS device:
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: systemd (Ubuntu)
Status: New => Confirmed
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Title:
I recently ran into this while upgrading 76 systems. In my research I
have concluded that this bug is the result of bad information coming
from the BIOS 3.0b, 3.0c, and 3.2. This bug is not present with BIOS
3.00.
If you run biosdevname, you will see that the BIOS Device name is em1
for both of
@Martin: Fixing the installed system is easy, the bad case happens when
the installer sets up the system with "rename2" as the first interface,
making access via console necessary in order to recover.
root@compute-node37:~# SYSTEMD_LOG_LEVEL=debug udevadm test-builtin net_id
/sys/class/net/eno1
To fix your system locally you can set some custom names for these two
devices, or disable the ifnames schema completely. Please see
/usr/share/doc/udev/README.Debian.gz for details.
Can you please copy the output of
SYSTEMD_LOG_LEVEL=debug udevadm test-builtin net_id
/sys/class/net/eno1
and
Looking further, it seems that the BIOS is providing broken information,
see this snippet from dmidecode output:
Handle 0x007E, DMI type 41, 11 bytes
Onboard Device
Reference Designation: Onboard Intel Ethernet 1
Type: Ethernet
Status: Enabled
Type Instance: 1
We have seen the issue only when deploying Xenial, installations running
Precise or Trusty do not seem to be affected.
Running with 4.6.0-040600rc6-generic has shown the same behaviour.
After doing the rmmod/modprobe cycle, I have now found the attached set
of messages in the output of
Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.6
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