Bugs still persist with bios 1.13 and 5.0+ kernels. Advanced touchpad doesn't work out the box like 4.19 and 4.20 did, new dmesg errors about pcie powersaving [use pcie_aspm=off to fix], complaints about not locating smbus and iommu too late in the boot (sometimes causing softlocks [fix with Ives args]), and acpi tables not all loading [11 successful]. These bugs persist, so should not be closed. I think someone with some handy bios skills should look at what Lenovo and HP have done with their bioses vs ours as their MBs [same] work well now. It's been over a year since these computers have been on the market without much in the way of Linux compatibility. I doubt Acer will bother to debug correctly as it works with Windows and that's the only thing they're concerned about supporting, unfortunately. If we close this bug report, then we all might as well give up on these machines.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-firmware 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 Status in linux-firmware package in Ubuntu: Confirmed 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
