Unfortunately we have to revert the fix for this issue as it caused
other network card models to have no network at all (bug #2115393).
** Changed in: linux (Ubuntu Noble)
Status: Fix Released => Triaged
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https://bugs.launchpad.net/bugs/2106558
Title:
Latitude 5450 is experiencing packet loss on Ethernet in Ubuntu 22.04
Status in HWE Next:
New
Status in linux package in Ubuntu:
Invalid
Status in linux source package in Noble:
Triaged
Bug description:
[Impact]
The issue occurs sporadically and can be reproduced using a ping test script.
After some restarts, there is no packet loss, but the issue may reappear after
subsequent restarts.
[Fix]
Intel provides a patch which is included in v6.15-rc1 to fix this issue
efaaf344bc29 e1000e: change k1 configuration on MTP and later platforms
We may receive this patch through upstream stable update, but from PM's
request
submit this to 6.5 and 6.8 kernels first to meet the requirement.
[Test]
ping that target machine for 60 seconds and there should be no packet loss.
[Where problems could occur]
This patch changes the e1000e k1 timeout value on MTP and later platforms,
and from the patch commit message, if the timeout value is wrong, we may
encounter sporadic MDI errors when accessing the PHY, and in rare circumstances
could lead to packet corruption.
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