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Right now I am faced with the problem that Ubuntu won't boot. I am currently using my Dell computer as a dual boot with Windows 10 and Ubuntu 20.04. Windows works perfectly so far only when I start Ubuntu I get the following error message at some point after a black screen.

[1745.965236] ACPI BIOS Error (bug): Could not resolve symbol [\_SB.PCIO.PEGO.PEGP.GPS.PCGP], AE_NOT_FOUND (20201113/psargs-300)
[1745.965264] ACPI Error: Aborting method \_SB.PCIO.PEGO.PEGP.GPS due to previous error, AE_NOT_FOUND (20201113/psargs-529)
[1745.965269] ACPI Error: Aborting method \_SB.PCIO.PEGO.PEGP._DSM due to previous error, AE_NOT_FOUND (20201113/psargs-529)

Until yesterday everything was still running perfectly, then I connected a docking station at work, which is connected to two monitors. When I wanted to change the resolution/scaling of the screens, the computer crashed.

If I set acpi = off in the grub, the boot process starts, but I have no access to my Nvidia graphics card that I depend on. In addition, the computer then runs very slowly and the cursor is kinda laggy.

I'm not very familiar with ubuntu yet, maybe someone can help me at this point. In addition to the Nvidia RTX 2060, the Dell also has an Intel UHD GPU. As CPU it uses a i9-10885H Intel Core.

Thanks

BigCheese
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  • If you can edit grub at boot time, use this instead of acpi-off acpi_enforce_resources=lax pcie_ports=compat – darth_epoxy Aug 23 '21 at 07:22
  • Still wont boot – BigCheese Aug 23 '21 at 10:03
  • Can you run mokutil --sb-state to confirm that secure boot is off please?` – darth_epoxy Aug 23 '21 at 11:17
  • Did this and it says that the secure boot is disabled – BigCheese Aug 23 '21 at 11:58
  • I you remove the acpi line and add nomodeset to grub will it boot then? you wont have nvidia drivers but it will let us know if the 2 monitors via the docking station is the problem. – darth_epoxy Aug 24 '21 at 08:25
  • still wont boot with the same error message – BigCheese Aug 24 '21 at 12:34
  • The acpi BIOS error is the one I have never seen before. I found some info here but no real fixes however. https://askubuntu.com/questions/1031601/problem-with-dual-monitor-config-in-ubuntu-18-04 or this one specific to Dell https://www.dell.com/community/Precision-Mobile-Workstations/External-Monitor-not-working-Ubuntu-nvidia/td-p/6241315 and it's worth figureing out if you are booting with wayland enabled. – darth_epoxy Aug 24 '21 at 22:10
  • thanks for the research, I couldnt find any answers either. I'll see if these forum posts can still help me somehow. – BigCheese Aug 25 '21 at 11:08

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