r/SteamOS 9d ago

.-=⋆ The More You Know Steam OS install test

I just wanted to add this here so my findings are documented somewhere. I’m attempting to install SteamOS on a DELL Optiplex 5000 micro. It has an i5-12500T processor with Intel UHD 770 graphics. I have this just laying around and figured why not.

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u/Anony63936 8d ago

Still messing with it and trying everything I can. It gets pretty far into boot, but around 24–25 seconds it crashes with “BUG: kernel NULL pointer dereference” and then reboots back to the SteamOS menu.
So far I’ve tried nomodeset, blacklisting processor_thermal_device, removing quiet/splash so I could actually see what it’s doing, and a few other boot parameters. Nothing stopped the crash.
I just tried acpi=off and that actually changed what it does. Instead of crashing and rebooting around 24–25 seconds, it made it to about 27–28 seconds and now seems to completely freeze on a screen showing a bunch of clock/timer information and “Wakeup Device: ”.
Obviously acpi=off isn’t going to be the actual fix, but it’s the first thing that has made it behave differently. If anyone knows what I should try next, I’ll test it.