On 8/17/19 2:20 AM, Petr Vandrovec wrote: > Vlastimil Babka wrote on 8/16/2019 5:47 AM: >> On 8/15/19 9:13 PM, Petr Vandrovec wrote: >>> With iommu=off disks are visible, but USB keyboard (and other USB >>> devices) does not work: >> >> I've been told iommu=soft might help. > > Thanks. I've rebuilt kernel without IOMMU. > > Unfortunately I was not able to reproduce original problem with latest > kernel - neither with CMA nor without CMA. System seems stable as a rock. That's rather fortunate I would say :) But if you have any unrelated regressions in 5.3, please report them accordingly. > This is the change on which I've tried to reproduce it with your > debugging patches: > > commit 41de59634046b19cd53a1983594a95135c656997 (HEAD -> master, > origin/master, origin/HEAD) > Merge: e22a97a2a85d 1ee1119d184b > Author: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> > Date: Wed Aug 14 15:29:53 2019 -0700 > > Merge tag 'Wimplicit-fallthrough-5.3-rc5' of > git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux > > Petr >