Userland Lenovo Ideapad 330 15-ARR seems quicker ... stable so far running zenStates.py C6-disable no kernel parms used.
Lenovo ideapad 330 15-ARR AMD 2700u Radeon Vega
Fingers crossed, looks much better ...
Feb 26 14:45:04 kernel: [Firmware Bug]: AMD-Vi: IOAPIC[4] not in IVRS table Feb 26 14:45:04 kernel: [Firmware Bug]: AMD-Vi: IOAPIC[5] not in IVRS table Feb 26 14:45:04 kernel: [Firmware Bug]: AMD-Vi: No southbridge IOAPIC found
Didn't boot ... added intremap=off booted, kernel panic
Ideapad 330 15-ARR won't boot
Ideapad 330 15-ARR won't boot
Ideapad 330 15-ARR won't boot (hangs at GDM) ... will boot with amd_iommu=on iommu=pt
IdeaPad 330-15ARR AMD 2700u - hangs at GDM login -kernel-4.20.4-100.fc28.x86_64
still using kernel-4.19.16-200.fc28.x86_64
IdeaPad 330-15ARR AMD 2700u - hangs at GDM login -kernel-4.20.5-100.fc28.x86_64
still using kernel-4.19.16-200.fc28.x86_64
kernel-4.20.4-100.fc28.x86_64 - failed same way
IdeaPad 330-15ARR AMD 2700u - hangs at GDM login - kernel-4.20.6-100.fc28.x86_64
still using kernel-4.19.16-200.fc28.x86_64
kernel-4.20.4-100.fc28.x86_64 - failed same way kernel-4.20.5-100.fc28.x86_64 - failed same way
kernel-5.2.11-100.fc29.x86_64 Red Hat Bugzilla – Bug 1671119