[Bug 2084526] Re: r8169: transmit queue 0 timed out error when re-plugging the Ethernet cable

This bug is awaiting verification that the linux-
realtime-6.11/6.11.0-1003.3~24.04.2 kernel in -proposed solves the
problem. Please test the kernel and update this bug with the results. If
the problem is solved, change the tag 'verification-needed-noble-linux-
realtime-6.11' to 'verification-done-noble-linux-realtime-6.11'. If the
problem still exists, change the tag 'verification-needed-noble-linux-
realtime-6.11' to 'verification-failed-noble-linux-realtime-6.11'.


If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.


See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-noble-linux-realtime-6.11-v2 verification-needed-noble-linux-realtime-6.11

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https://bugs.launchpad.net/bugs/2084526

Title:
r8169: transmit queue 0 timed out error when re-plugging the Ethernet
cable

Status in HWE Next:
New
Status in linux package in Ubuntu:
In Progress
Status in linux-oem-6.11 package in Ubuntu:
New
Status in linux source package in Jammy:
In Progress
Status in linux-oem-6.11 source package in Jammy:
Invalid
Status in linux source package in Noble:
Fix Released
Status in linux-oem-6.11 source package in Noble:
Fix Released
Status in linux source package in Oracular:
Fix Released
Status in linux-oem-6.11 source package in Oracular:
Invalid

Bug description:
[Impact]
After unplugging and re-plugging the Ethernet cable, the r8169 NIC stop working and reports an error "transmit queue 0 timed out". The connection will remain broken until around 15 minutes.

[Fix]
Apply the fix from upstream solves the issue:

b9c7ac4fe22c r8169: disable ALDPS per default for RTL8125

[Test Plan]
1. Boot up the kernel with r8169 hardware shown in the machine
2. Unplug the Ethernet cable
3. After the connection-close icon shown, re-plug the Ethernet cable
4. See if the connection is established

[Where problems could occur]
May cause regression.

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