Hi All. I had a working installation of OpenSUSE 15.5/15.6, then due to a hardware failure I moved the SSD drive to another laptop (bought used, but recent) and I used it as it is without new installations.
Since then a strange issue began to appear. Since the disk is encrypted there is a password prompt by the boot loader, when the disk is opened successfully there is the screen with the boot options, after selecting the first option there are few log lines on the screen then the system hangs. CTRL+ALT+F1 does not work, the only option is a full reset. After one or two resets usually the startup is successful, when I check the logs I can find no traces of the failed startups. I suspect that it hangs when the system tries to remount in write mode the hard drive. In that moment I expect a second password prompt, but I just see that the screen becomes dark.
Actually with the above system in the nvme slot this issue happens rarely, therefore I gave up for a while to find the cause. But now I installed OpenSUSE 16.0 on an external USB3 drive. With that system the issue happens regularly and often it requires many resets, still I cannot find anything in the logs. I suspect that the problem is not the new version of the OS, but the USB bus that is slower. Unfortunately I have to keep it on an external drive and I should actually move soon to the new OS.
I also checked the BIOS and I did not find any setting that might have any influence. The system is a laptop with a Ryzen 5 5500U and built in graphics. 24 GB of RAM of which one is used by the grphic processor. The BIOS has quite few options, does not provide setting for things like AMD Virtualization or cool 'n quiet.
What I would like to know is if there is a way to investigate the issue.
Otherwise I thought that it might be some kind of timeout or conflict on a resource that causes the freeze, I wondered if there is a system setting to make it more tolerant, if it is slower I don’t mind.
Thank you for helping.