[Bug 92327] New: Tearing and drm_wait_vblank kernel log spam with reverse PRIME (intel+nouveau)

[Bug 92327] New: Tearing and drm_wait_vblank kernel log spam with reverse PRIME (intel+nouveau)

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https://bugs.freedesktop.org/show_bug.cgi?id=92327

            Bug ID: 92327
           Summary: Tearing and drm_wait_vblank kernel log spam with
                    reverse PRIME (intel+nouveau)
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: mschiffer+misc-Nyw9WiXk/RKXhJHkyCwd5uTW4wlIGRCZ@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Setup: I use reverse PRIME with a primary intel and a secondary nouveau card. I
have enabled one output on each of the cards. The reverse PRIME (nouveau)
output is set as primary output via xrandr.

Whenever there's a DRI user on the reverse PRIME screen, the following message
gets written to my kernel log once for each buffer swap:

[drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0x7d, supported mask
0x7400003f

Both DRI2 and DRI3 cause this behaviour. I also see tearing on the nouveau
output.

Depending on the exact setup (DRI2/DRI3, different DRI users), I also get
slightly different messages:

[drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0x15d, supported
mask 0x7400003f
[drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0x400015d, supported
mask 0x7400003f


Hardware:

00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core
Processor Family Integrated Graphics Controller (rev 09)
01:00.0 VGA compatible controller: NVIDIA Corporation GF119M [Quadro NVS 4200M]
(rev a1)

Software:

* xserver 1.17.2
* xf86-video-intel 2.99.917-476-g4e668dd
* xf86-video-nouveau 1.0.11-31-g1ff13a9


I opened a bug report for the kernel first (see
https://bugzilla.kernel.org/show_bug.cgi?id=105601 ), but was told that this is
a userspace bug.

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[Bug 92327] Tearing and drm_wait_vblank kernel log spam with reverse PRIME (intel+nouveau)

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https://bugs.freedesktop.org/show_bug.cgi?id=92327

--- Comment #1 from Fredy Neeser <nfd-OA+xvbQnYDHMbYB6QlFGEg@public.gmane.org> ---
Same issue here on Fedora 22 with intel (LVDS) + nouveau (ext. monitor):

https://bugzilla.redhat.com/show_bug.cgi?id=1243432
Bug 1243432 - KDE 5 dual monitor setup with intel+nouveau drivers causes
journal to be flooded with errors "[drm:drm_wait_vblank [drm]] *ERROR*
Unsupported type value ..."

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[Bug 92327] Tearing and drm_wait_vblank kernel log spam with reverse PRIME (intel+nouveau)

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https://bugs.freedesktop.org/show_bug.cgi?id=92327

Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #2 from Martin Peres <martin.peres-GANU6spQydw@public.gmane.org> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance:
https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/222.

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