Same problem here. Thinkpad P14s Gen1, 32GB Ram. Was working fine on 20.04 - and after the upgrade to 22.04.1, everything is totally laggy, CPU consumption almost always at 100%.
iommu=off made it slightly better, but still not acceptable...
Same problem here. Thinkpad P14s Gen1, 32GB Ram. Was working fine on 20.04 - and after the upgrade to 22.04.1, everything is totally laggy, CPU consumption almost always at 100%.
iommu=off made it slightly better, but still not acceptable...