After long suspend, whole screen freezes and doesn’t respond. Sometimes only touchpad responds. Here is journalctl for suspend:
It says BIOS may not properly restore RDAND after suspend. There may be some problem with my pretty old hardware.
Any ideas where the problem might be?
BIOS may not properly restore RDRAND after suspend, hiding RDRAND via CPUID. Use rdrand=force ro reenable.
For above message, I edited ‘rdrand=force’ in grub config. For suspend problem, I switched the suspend method from ‘suspend to RAM’ to ‘suspend to idle’. The laptop doesn’t freezes after suspend anymore. There may have been some problems in ‘suspend to RAM’ method for my laptop.
GRUB_CMDLINE_LINUX_DEFAULT='rdrand=force mem_sleep_default=s2idle'
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