Public bug reported:
[Impact]
Spurious wakeup from s2idle caused by Intel 7560 WWAN device.
[Fix]
Keep the device at D0 to prevent the unwanted wakeup. Since PCIe ASPM is
enabled, the power consumption impact is minimal.
[Test]
No more spurious wakeup on s2idle.
[Where problems could occur]
If the device somehow requires to be power-cycled via D3, this may break
the assumption.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Medium
Status: Confirmed
** Tags: oem-priority originate-from-1953296 stella
** Summary changed:
- Fix spurious wakeup caused by Intel 7560 WWA
+ Fix spurious wakeup caused by Intel 7560 WWAN
** Also affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux-oem-5.14 (Ubuntu)
Status: New => Invalid
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: New => Confirmed
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided => Medium
** Tags added: oem-priority originate-from-1953296 stella
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https://bugs.launchpad.net/bugs/1956443
Title:
Fix spurious wakeup caused by Intel 7560 WWAN
Status in HWE Next:
New
Status in linux-oem-5.14 package in Ubuntu:
Invalid
Status in linux-oem-5.14 source package in Focal:
Confirmed
Bug description:
[Impact]
Spurious wakeup from s2idle caused by Intel 7560 WWAN device.
[Fix]
Keep the device at D0 to prevent the unwanted wakeup. Since PCIe ASPM is
enabled, the power consumption impact is minimal.
[Test]
No more spurious wakeup on s2idle.
[Where problems could occur]
If the device somehow requires to be power-cycled via D3, this may break
the assumption.
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1956443/+subscriptions
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