Comment 28 for bug 1661741

I ran into this problem with my Dell Latitude E5470 (6300U/8GB/256GB SanDisk X400 m2), too. suspend and resume used to work just fine with Ubuntu 19.10 and 20.04 until mid of July. With no apparent reason from this time on the computer did not resume after suspend when running on battery. I found this bug report und Jonathan’s solution worked for me, too. My computer even never hibernated but just powered off because there was no swap partition available. Since I switched back to suspend the computer resumes correctly after suspend even running on battery.