** Description changed:
[Impact]
The new feature added by below commit let BT device to wake the system from
S3 and/or s2idle by its advertising packets
- a0085f2510e8 ("Bluetooth: btusb: driver to enable the usb-wakeup feature")
+ a0085f2510e8 ("Bluetooth: btusb: driver to enable the usb-wakeup feature")
This feature wakes up the system randomly from an unpaired BLE device.
[Fix]
There is no easy way to fix this, so current solution for this is to revert
it.
- 1ffdb51f28e8 ("Revert "Bluetooth: btusb: driver to enable the usb-wakeup
feature"")
+ 1ffdb51f28e8 ("Revert "Bluetooth: btusb: driver to enable the usb-wakeup
feature"")
[Test]
Verified on machines which has paired BLE devices, and can't be waken up by
BT devices after entered suspended.
[Regression]
- Yes, it reverts the feature by waking up system from BT devices, but this
feature introduces regression, so I'd suggest to revert it.
+ Yes, it reverts the feature by waking up system from s2idle by paired non-BLE
BT devices, but this feature introduces regression, so I'd suggest to revert it.
** Description changed:
[Impact]
- The new feature added by below commit let BT device to wake the system from
S3 and/or s2idle by its advertising packets
+ The new feature added by below commit let BT device to wake the system from
S3 and/or s2idle.
a0085f2510e8 ("Bluetooth: btusb: driver to enable the usb-wakeup feature")
- This feature wakes up the system randomly from an unpaired BLE device.
+ But this feature also wakes up the system randomly from an unpaired BLE
device by its advertising packets.
[Fix]
- There is no easy way to fix this, so current solution for this is to revert
it.
+ There is no easy way to fix this and may requires firmware update, so current
solution for this is to revert it.
1ffdb51f28e8 ("Revert "Bluetooth: btusb: driver to enable the usb-wakeup
feature"")
[Test]
Verified on machines which has paired BLE devices, and can't be waken up by
BT devices after entered suspended.
[Regression]
- Yes, it reverts the feature by waking up system from s2idle by paired non-BLE
BT devices, but this feature introduces regression, so I'd suggest to revert it.
+ Yes, it reverts the feature by waking up system from s2idle by paired BT
devices, but this feature introduces regression, so I'd suggest to revert it.
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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/1844247
Title:
BT advertising packet wakes up the system from S3 and suspend-to-idle
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Bionic:
In Progress
Status in linux-oem source package in Bionic:
New
Status in linux source package in Disco:
In Progress
Status in linux-oem source package in Disco:
New
Status in linux source package in Eoan:
In Progress
Status in linux-oem source package in Eoan:
New
Status in linux source package in FF-Series:
In Progress
Status in linux-oem source package in FF-Series:
New
Bug description:
[Impact]
The new feature added by below commit let BT device to wake the system from
S3 and/or s2idle.
a0085f2510e8 ("Bluetooth: btusb: driver to enable the usb-wakeup feature")
But this feature also wakes up the system randomly from an unpaired BLE
device by its advertising packets.
[Fix]
There is no easy way to fix this and may requires firmware update, so current
solution for this is to revert it.
1ffdb51f28e8 ("Revert "Bluetooth: btusb: driver to enable the usb-wakeup
feature"")
[Test]
Verified on machines which has paired BLE devices, and can't be waken up by
BT devices after entered suspended.
[Regression]
Yes, it reverts the feature by waking up system from s2idle by paired BT
devices, but this feature introduces regression, so I'd suggest to revert it.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1844247/+subscriptions
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