[Bug 204407] New: Bad page state in process Xorg

[Vlastimil Babka]

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 at linux-foundation.org>
> 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
>