I moved to linux-lts after 5.19 started inexplicably making my X1 nano unusable after a few minutes of uptime. Load creeps higher and higher until you can't do

I moved to linux-lts after 5.19 started inexplicably making my X1 nano unusable after a few minutes of uptime. Load creeps higher and higher until you can't do anything at all. Couldn't find anything in the logs.