Ever since I upgraded my Dell tower (with separate Nvidia graphics card) to F40, hibernate no longer works. If I try it, it starts to hibernate, but then comes back up immediately. If I immediately hibernate again, it writes the image (as shown by shutdown messages, the usual 10% ... 20% ... 30% etc.), but when I turn the system on again, it loads the image (10% ... 20% ... 30% etc.) but the resume fails and it comes back to the login screen.
Suspend also behaves weirdly; if I suspend, it all goes black, but the system stays fully powered (light on power button solid on rather than blinking, and the huge bright blue LED that Dell uses on this machine stays on. I can press the power button and the machine comes back up. The real weirdness is that if I immediately suspend again, it works; power button blinking. I can then press the power button to bring back the machine.
So I can suspend (after a fashion), but I cannot hibernate.
Before I begin a potentially time consuming research project, I just want to ask if anyone else has seen issues with hibernate and suspend that worked previously and broke on upgrading to F40.
I should mention that these symptoms occur whether I am using Nouveau or the proprietary NVIDIA driver.
Thank you,
--Greg
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