I have checked and IMOMMU is rightly disabled.
The lspci -vv = https://pastebin.com/46gZfuDE
I'm installing the Kai-Heng's kernel now.
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Acer Aspire A315 IOAPIC failure on Ubuntu 18.04, kernel hangs, can't
load, kernel freeze (AMD Ryzen 5/Radeon/Raven) / AMDGPU Hybrid crash
Status in amd:
Status in Linux:
Status in linux package in Ubuntu:
Status in linux-firmware package in Ubuntu:
CPU: Ryzen 5 2500U
VGA: Radeon 535
Notebook: Acer Aspire A315
This is a brand new notebook on the market with Ryzen 5/Radeon.
The default kernel of Ubuntu(18.04) hangs at loading with message:
tsc: Refined TSC clocksource calibration: 1996.250 MHz
clocksource: tsc: mask: 0xffffffffffffffff max_cycles: (...), max_idle_ns:
Using pci=noacpi kernel parameter kernel loads without any problem but
my notebook produces more heat than on Win10. If I know right Acer
notebooks need ACPI to the correct power management.
The same thing happens on mainline 4.17,4.18rc1-2.
BIOS upgrade to the latest version: 1.08 hasn't helped
This problem has been reported upstream:
The latest correctly working kernel was 4.13.* but the heat problem
was present with this too.
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