[Bug 1838176] Re: Kernel 5.2.3 fails to fully boot on Lenovo 330s-15arr, black screen at login screen with cursor

I am facing the same issue with ThinkPad-T495 5.3.0-26-generic (ubuntu 18.04). I have seen a subtle nuance to the issue. I can successfully boot every time I am powered on. But this issue only occurs when I am on battery. I tried the suggestion by Soedarsono (Comment #7) but the situation has not

[Bug 1850654] Re: update-initramfs complains of missing amdgpu firmware files

I can confirm that I get the same warning in ubuntu 18.04 Linux ThinkPad-T495 5.3.0-26-generic #28~18.04.1-Ubuntu SMP Wed Dec 18 16:40:14 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux error: update-initramfs: Generating /boot/initrd.img-5.3.0-26-generic W: Possible missing firmware /lib/firmware/amdg