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 1914411
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
** Changed in: linux (Ubuntu Focal)
Status: New => Incomplete
** Changed in: linux (Ubuntu Groovy)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1914411
Title:
Fix broken efifb on graphics device without driver
Status in HWE Next:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem-5.10 package in Ubuntu:
New
Status in linux source package in Focal:
Incomplete
Status in linux-oem-5.10 source package in Focal:
New
Status in linux source package in Groovy:
Incomplete
Status in linux-oem-5.10 source package in Groovy:
New
Bug description:
[Impact]
EFIFB stops working after graphics device is runtime suspended in
D3cold.
[Fix]
Prevent the graphics device from being runtime suspended.
[Test]
With the patch applied, using efifb on graphics device without driver
always work, because the device stays at D0 all the time.
[Where problems could occur]
Potentially this can affect power consumption, if user expects to put
graphics device to D3cold, and is fine to get a broken efifb.
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