Fixed by bios upgrade..... -kernel: DMI: HP HP Laptop 15-db0xxx/84AE, BIOS F.02 04/06/2018 +kernel: DMI: HP HP Laptop 15-db0xxx/84AE, BIOS F.20 05/15/2019
also interesting -kernel: amdgpu 0000:04:00.0: VRAM: 256M 0x000000F400000000 - 0x000000F40FFFFFFF (256M used) +kernel: amdgpu 0000:04:00.0: VRAM: 1024M 0x000000F400000000 - 0x000000F43FFFFFFF (1024M used) -kernel: AMD-Vi: [Firmware Bug]: : IOAPIC[4] not in IVRS table -kernel: AMD-Vi: [Firmware Bug]: : IOAPIC[5] not in IVRS table -kernel: AMD-Vi: [Firmware Bug]: : No southbridge IOAPIC found -kernel: AMD-Vi: Disabling interrupt remapping and other changes with previous bios kernel 5.4 did not load (black screen at boot). with current bios it is loaded now : Linux 5.4.0-050400rc5-generic #201910271430 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1849084 Title: Freeze on system-resume caused by kwin and amdgpu driver To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kwin/+bug/1849084/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
