On Thu, Feb 16, 2017 at 06:25:35PM +0100, Pavel Machek wrote: > Hi! > > > > > 4.10-rc4 broken > > > > 4.10-rc3 ok > > > > > > Hmm. If those actually end up being reliable, then there's not a whole > > > lot in between them wrt PCI or USB. > > > > > > What looked like the most likely candidate seems to be xhci-specific, though. > > > > > > But maybe it's something that isn't directly in drivers/{pci,usb}/ and > > > just interacts badly. > > > > Ok. I _hope_ my tests are ok. Bisect log so far is: > > And the winner is: > > pavel@half:/data/l/linux$ git bisect bad > 24b91e360ef521a2808771633d76ebc68bd5604b is the first bad commit > commit 24b91e360ef521a2808771633d76ebc68bd5604b > Author: Frederic Weisbecker <fweisbec@xxxxxxxxx> > Date: Wed Jan 4 15:12:04 2017 +0100 > > nohz: Fix collision between tick and other hrtimers I haven't followed the discussion but this patch has a known issue which is fixed with: 7bdb59f1ad474bd7161adc8f923cdef10f2638d1 "tick/nohz: Fix possible missing clock reprog after tick soft restart" I hope this fixes your issue.