Bug 199133

Summary: nouveau_mem_host+0x47/0x1b0 [nouveau]: NULL pointer dereference at 0000000000000040
Product: Drivers Reporter: Hector Cavalcanti Saavedra (hectorcavalcantisaavedra)
Component: Video(DRI - non Intel)Assignee: drivers_video-dri
Status: RESOLVED PATCH_ALREADY_AVAILABLE    
Severity: blocking CC: pierre.morrow
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: 4.15.8-300.fc27.x86_64 Subsystem:
Regression: Yes Bisected commit-id:
Attachments: Details on the kernel oops.

Description Hector Cavalcanti Saavedra 2018-03-17 10:27:21 UTC
Created attachment 274787 [details]
Details on the kernel oops.

The nouveau driver causes kernel oops after the new DRM changes. I can reproduce by using my system for a few minutes, mainly when using Chromium or opening a PDF file (on Evince or on Chromium).
Comment 1 Hector Cavalcanti Saavedra 2018-03-17 10:28:41 UTC
*** Bug 198853 has been marked as a duplicate of this bug. ***
Comment 2 Pierre Moreau 2018-03-17 14:36:52 UTC
Could you please try with the patch mentioned in https://bugs.freedesktop.org/show_bug.cgi?id=105174 (which was submitted along other drm-fixes this week)?

Also, fyi, the Nouveau bugs are reported at https://bugs.freedesktop.org; see https://nouveau.freedesktop.org/wiki/Bugs/ for more details.
Comment 3 Hector Cavalcanti Saavedra 2018-03-18 10:50:31 UTC
(In reply to Pierre Moreau from comment #2)
> Could you please try with the patch mentioned in
> https://bugs.freedesktop.org/show_bug.cgi?id=105174 (which was submitted
> along other drm-fixes this week)?
> 
> Also, fyi, the Nouveau bugs are reported at https://bugs.freedesktop.org;
> see https://nouveau.freedesktop.org/wiki/Bugs/ for more details.

Oops, my bad. Thank you for the patch, I'm going to try it and close this bug.