** Also affects: linux (Ubuntu Cosmic)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Disco)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux-oem (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-oem (Ubuntu Cosmic)
Status: New => Invalid
** Changed in: linux-oem (Ubuntu Disco)
Status: New => Invalid
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1825487
Title:
The Realtek card reader does not enter PCIe 1.1/1.2
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem package in Ubuntu:
New
Status in linux source package in Bionic:
New
Status in linux-oem source package in Bionic:
New
Status in linux source package in Cosmic:
New
Status in linux-oem source package in Cosmic:
Invalid
Status in linux source package in Disco:
New
Status in linux-oem source package in Disco:
Invalid
Bug description:
[Impact]
The Realtek card reader does not enter PCIe 1.1/1.2.
This keeps Intel SoC staying at PC3, which consumes lots of power.
[Fix]
Set correct ASPM parameter on rtsx_pci.
[Test]
With the patch applied, Intel SoC can enter PC10, which saves lots of power.
[Regression Potential]
Low. The card reader in question still works as before.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1825487/+subscriptions
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