Public bug reported:
[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.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux-oem-5.17 (Ubuntu)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: Won't Fix
** Affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Medium
Status: Confirmed
** Affects: linux-oem-5.17 (Ubuntu Focal)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Jammy)
Importance: Medium
Status: Confirmed
** Affects: linux-oem-5.14 (Ubuntu Jammy)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-5.17 (Ubuntu Jammy)
Importance: Medium
Status: Confirmed
** Tags: oem-priority originate-from-1968653 sutton
** Also affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.17 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.17 (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.17 (Ubuntu Jammy)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Status: New => Won't Fix
** Changed in: linux (Ubuntu Jammy)
Status: New => Confirmed
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux-oem-5.14 (Ubuntu Jammy)
Status: New => Invalid
** Changed in: linux-oem-5.17 (Ubuntu Focal)
Status: New => Invalid
** Changed in: linux-oem-5.17 (Ubuntu Jammy)
Status: New => Confirmed
** Changed in: linux (Ubuntu Jammy)
Importance: Undecided => Medium
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided => Medium
** Changed in: linux-oem-5.17 (Ubuntu Jammy)
Importance: Undecided => Medium
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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.
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1976438/+subscriptions
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