Thanks for the information although the fix is for the WLAN driver.
That's quite surprising to me. Anyway, it's good to know the bug is
gone.
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Hi Chris,
Firstly thank you helping with this. Secondly it looks like someone has
beaten you to the fix.
I've just updated my device to kernel 5.4.0-84.94 and the issue appears
to have been resolved.
Looking at the change log. It seems there has been a device list fix
applied.
That fix seems
Thanks for the result. That means the commit between 74_117 and 74_118
cause the problem. However, there's no r8169 related commits. So I can
only do stupid thing to bisect commits between the 2 versions. I may
cost 6~7 test versions. Could you help me test the kernel in
Hi Chris,
Apologises emailed my update rather than posting it via the webui. Yes
it that version worked.
Regards,
James
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Title:
Kernel
@James, any update?
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Title:
Kernel driver support issue between 5.4.0-74-generic and
5.4.0-80-generic
To manage notifications about this bug
Please help test
https://people.canonical.com/~mschiu77/lp1938697/74_117/ and let me know
if you can see the second ethernet interface. No need to do apport-
collect. Thanks
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No. I will need only the output of "dmesg". You can do "dmesg >
dmesg.log" on the 5.4.0-74-generic and attach the dmesg.log here. Thanks
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Title:
Ok so I tried the modified version. As you'll see the ethernet
interface isn't there. I've run apport again.
When I switch back to 5.4.0-74-generic from the repo we see the ethernet
interface again. Did you want an updated apport from the repo version?
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apport information
** Description changed:
I have found an issue after upgrading my Kernel from 5.4.0-74-generic to
5.4.0-80-generic on Ubuntu 20.04.
It appears that support for the second ethernet port on my Lenovo m90n-1
has been dropped or isn't working as expected. After
Thanks for result of the 5.4.0-75. Now the range can be narrowed down.
The strange thing is there's no r8169 related modification between 74 to
75. So it's not that easy to identify which commit commit the problem. I
build a modified 74 version to help. Can you try the kernel in
[0.00] microcode: microcode updated early to revision 0xea, date =
2021-01-05
[0.00] Linux version 5.4.0-75-generic (root@u-Precision-5560) (gcc
version 9.3.0 (Ubuntu 9.3.0-17ubuntu1~20.04)) #84 SMP Mon Aug 30 12:30:05 CST
2021 (Ubuntu 5.4.0-75.84-generic 5.4.119)
[0.00]
apport information
** Description changed:
I have found an issue after upgrading my Kernel from 5.4.0-74-generic to
5.4.0-80-generic on Ubuntu 20.04.
It appears that support for the second ethernet port on my Lenovo m90n-1
has been dropped or isn't working as expected. After
Could you try the 5.4.0-75 I put in
https://people.canonical.com/~mschiu77/lp1938697/75/? No need to run
apport-collect. I'll need the output of the command "dmesg". Thanks
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Hi,
I have tried the 2 kernels requested. Neither kernel recognised enp2s0.
I have uploaded the reports using apport-collect. I have also installed
an unsigned version of 5.4.0-74 which does recognise enp2s0. I hope
this helps.
Regards,
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apport information
** Description changed:
I have found an issue after upgrading my Kernel from 5.4.0-74-generic to
5.4.0-80-generic on Ubuntu 20.04.
It appears that support for the second ethernet port on my Lenovo m90n-1
has been dropped or isn't working as expected. After
apport information
** Description changed:
I have found an issue after upgrading my Kernel from 5.4.0-74-generic to
5.4.0-80-generic on Ubuntu 20.04.
It appears that support for the second ethernet port on my Lenovo m90n-1
has been dropped or isn't working as expected. After
apport information
** Description changed:
I have found an issue after upgrading my Kernel from 5.4.0-74-generic to
5.4.0-80-generic on Ubuntu 20.04.
It appears that support for the second ethernet port on my Lenovo m90n-1
has been dropped or isn't working as expected. After
Can you test the kernel for me?
https://people.canonical.com/~mschiu77/lp1939113/76/
https://people.canonical.com/~mschiu77/lp1939113/78/
You just need to download the .deb files and do `dpkg -i *.deb` and you
will see different version in the grub menu. Thanks
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
Kernel driver support issue between 5.4.0-74-generic and
apport information
** Tags added: apport-collected uec-images
** Description changed:
I have found an issue after upgrading my Kernel from 5.4.0-74-generic to
5.4.0-80-generic on Ubuntu 20.04.
It appears that support for the second ethernet port on my Lenovo m90n-1
has been dropped
Can you please test the kernel in the following?
https://people.canonical.com/~mschiu77/lp1939113/76/
https://people.canonical.com/~mschiu77/lp1939113/78/
It will help us to know which version starts to have this problem?
And please also do `apport-collect 1938697` as requested above so that
we
As a note - I have an internal Lenovo bug tracking this:
https://bugs.launchpad.net/sutton/+bug/1938174
I did a bit of investigation just before I went on vacation and I
believe this is a regression in the Ubuntu kernel - I'm not seeing the
issue with a vanilla kernel.org kernel
Mark
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** Tags added: focal
** Package changed: ubuntu => linux (Ubuntu)
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Title:
Kernel driver support issue between 5.4.0-74-generic and
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