Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xserver-xorg-video-amdgpu (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1776563
Title:
Ubuntu 18.04 can't load kernel on Acer Aspire A315 (Ryzen5/Radeon/FHD)
Status in amd:
New
Status in linux package in Ubuntu:
Confirmed
Status in xserver-xorg-video-amdgpu package in Ubuntu:
Confirmed
Bug description:
CPU: Ryzen 5 2500U
VGA: Radeon 535
Notebook: Acer Aspire A315
I've just bought a new AMD Ryzen/Radeon notebook (Acer Aspire 3) and I wanted
to install an Ubuntu/Kubuntu 18.04 on it. I checked the bios settings and uefi
was the only boot option, so there is no legacy mode what I had used with my
old computer before. I downloaded the normal iso image and made an usb boot
pendrive using mkusb. The boot was okay, I got an uefi type menu but after
starting the kernel it paniced(?) instantly.
Error messages: ACPI Error [MAC0] Namespace lookup failure
ACPI ERROR 1 table load failures, 13 successful
BUG: soft lockup CPU#0 stuck for 22s
...
...
EFI VGA framebuffer device
clocksource tsc mask
Switching to colour framebuffer device
[28.040001] ...
...
...
I've tried to boot the same pendrive on my girlfriend's Acer
Travelmate with uefi and worked well.
I searched and I found that the problem is maybe in connection with
uefi framebuffer but I am not sure.
Ubuntu 16.04 can be loaded with nomodeset and noacpi parameters but
for 18.04 none of them are working. I tried 4.16,4.17 kernels too
(replaced on live usb) but without any success. The result is totally
equivalent.
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