This morning (still with 4.18) pc getting hard to start, 90 seconds to boot with 23 seconds of CPU stuck... dmesg here : https://paste.ubuntu.com/p/KbywwGWRSF/ after 5/10 minutes he totally freeze so I was forced to hard reboot (power button).
I'll keep testing this 4.18.0 and if I keep getting problems, I'll retry the 4.15. there is my sensors, start since 1 min : $ sensors ath10k_hwmon-pci-0200 Adapter: PCI adapter temp1: +75.0°C amdgpu-pci-0300 Adapter: PCI adapter vddgfx: N/A vddnb: N/A fan1: N/A temp1: +44.0°C (crit = +80.0°C, hyst = +0.0°C) power1: N/A k10temp-pci-00c3 Adapter: PCI adapter Tdie: +44.9°C (high = +70.0°C) Tctl: +44.9°C -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to 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 To manage notifications about this bug go to: https://bugs.launchpad.net/amd/+bug/1776563/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs