Public bug reported:
Using kernel 5.4.0-65, the system does not wake up anymore from suspend to ram
(S3). The screen stays black, only the backlight comes on.
Following the instructions in "wiki.ubuntu.com/DebuggingKernelSuspend", it
shows that this PCI device is the problem:
00:02.0 VGA compatible controller: Intel Corporation Core Processor
Integrated Graphics Controller (rev 18)
This is a 1st gen Intel HD graphics (Ironlake)
Testing various versions of kernels 5.4.0.x , I found that the problem seems to
be introduced with 5.4.0-59
Versions after -59 don't wake up, and versions until 5.4.0-58 work fine.
Testing 5.8.0-41, it doesn't wake up.
Testing mainline 5.11.0-051100rc6-generic, it works fine.
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1914949
Title:
Resume from S3 not working with i915 driver (linux 5.4 and 5.8)
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