This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1976438
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1976438
Title:
Fix sub-optimal I210 network speed
Status in HWE Next:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem-5.14 package in Ubuntu:
New
Status in linux-oem-5.17 package in Ubuntu:
New
Status in linux source package in Focal:
Won't Fix
Status in linux-oem-5.14 source package in Focal:
Confirmed
Status in linux-oem-5.17 source package in Focal:
Invalid
Status in linux source package in Jammy:
Confirmed
Status in linux-oem-5.14 source package in Jammy:
Invalid
Status in linux-oem-5.17 source package in Jammy:
Confirmed
Bug description:
[Impact]
I210 may not reach maximum speed on Intel Alder Lake platforms.
[Fix]
Following the datasheet to ensure I210 is not in idle state when CPU is
using PCIe link to perform TX.
[Test]
With the fix applied, the I210 TX/RX speed can reach ~94x MBps.
[Where problems could occur]
Since this changes how hardware idles, it can slightly increase power
consumption.
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