With bios/UEFI 1.13 and kernel 5.0.7 things seems to work. I got touchpad working by installing https://github.com/Syniurge/i2c-amd-mp2 (master works, the wip-v16 doesn't work and screwed up a lot of things when i tried it so don't try that version).
git clone https://github.com/Syniurge/i2c-amd-mp2.git master mv master i2c-amd-mp2 cd i2c-amd-mp2 LANG=C sudo ./dkms-install.sh First i booted with pci=noacpi and with that touchpad wasn't working with bios 1.13 that uses advanced touchpad, it did work with earlier bios that had basic option for touchpad. Removing pci=acpi and instead using: ivrs_ioapic[4]=00:14.0 ivrs_ioapic[5]=00:00.2 did the trick for me. I sometimes needs to toogle wifi after suspend, i haven't tried hibernate. My laptop is an A315-41 non G but it think the G only means that it also has a dedicated graphicscard. I haven't tried it out much yet but at least things seems to work now. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1776563 Title: 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: Fix Released Status in Linux: Incomplete Status in linux package in Ubuntu: Triaged Bug description: 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: (...) Soft lockup 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: https://bugzilla.kernel.org/show_bug.cgi?id=200087 The latest correctly working kernel was 4.13.* but the heat problem was present with this too. To manage notifications about this bug go to: https://bugs.launchpad.net/amd/+bug/1776563/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
