Hi Dmitriy,
thank you for taking the time to open this bug report!
It looks like the upstream patches required does include the one you
noted, but one other one as well.
The required patches looks to be:
ecf848eb934b net: usb: ax88179_178a: fix link status when link is set to
down/up
7be4cb7189f7 net: usb: ax88179_178a: improve reset check
** Changed in: linux-hwe-6.8 (Ubuntu)
Assignee: (unassigned) => Philip Cox (philcox)
** Changed in: linux-hwe-6.8 (Ubuntu)
Status: Incomplete => Triaged
** Changed in: linux-hwe-6.8 (Ubuntu)
Importance: Undecided => Medium
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https://bugs.launchpad.net/bugs/2077823
Title:
AX88179_178a USB-ethernet adapter not always initializes properly with
the kernel 6.8
Status in linux-hwe-6.8 package in Ubuntu:
Triaged
Bug description:
After upgrading the kernel packages to version 6.8 I encounter the
following issue. My ax88179_178a-based USB-ethernet adapter sometimes
does not initialize properly on the system boot. Approximately one
time of five it comes up with the status "link down' ("link not
detected"). Checking the physical connectivity shows no problems.
Unplugging/plugging the cable does not help. Reloading the kernel
module does help, i.e. after:
sudo modprobe -r ax88179_178a && sudo modprobe ax88179_178a
the link comes up and the problem goes away (until the moment when it
appears again five or six reboots later).
The issue is apparently sourced from here:
https://lore.kernel.org/all/20240523130330.215273...@linuxfoundation.org/
And it is probably solved already in the kernel 6.9.7:
https://lwn.net/Articles/979848/
It would be nice, if you backport the solution into Ubuntu 6.8 kernel
(if I am right and this indeed is a solution).
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-hwe-6.8/+bug/2077823/+subscriptions
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