On Tue, Jul 27, 2021 at 09:10:11AM -0700, Ben Greear wrote: > Hello, > > My system was stable with 5.13.0, though there was a KASAN warning. > So, I upgrade to 5.13.5, and now it takes a very long time to fully boot to > login prompt, and I see this splat in the logs. > > I'm working on bisecting, but if someone has a clue, please let me know. > > [ 2187.021338] irq 4: nobody cared (try booting with the "irqpoll" option) Have you tried booting with that option?