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From: bugzilla-daemon@kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 221852] New: X does not start (or does not show screen) on
 DisplayPort of NVIDIA Quadro 600 with nouveau
Date: Sat, 08 Aug 2026 06:02:46 +0000
X-Bugzilla-Reason: None
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: AssignedTo drivers_video-dri@kernel-bugs.osdl.org
X-Bugzilla-Product: Drivers
X-Bugzilla-Component: Video(DRI - non Intel)
X-Bugzilla-Version: 2.5
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: takashi.yano@nifty.ne.jp
X-Bugzilla-Status: NEW
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X-Bugzilla-Priority: P3
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https://bugzilla.kernel.org/show_bug.cgi?id=3D221852

            Bug ID: 221852
           Summary: X does not start (or does not show screen) on
                    DisplayPort of NVIDIA Quadro 600 with nouveau
           Product: Drivers
           Version: 2.5
          Hardware: All
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: takashi.yano@nifty.ne.jp
        Regression: No

Created attachment 310599
  --> https://bugzilla.kernel.org/attachment.cgi?id=3D310599&action=3Dedit
Proposed patch to fix the issue

[Environment]
- Base distribution: Debian GNU/Linux 13 (Trixie)
- CPU: Intel(R) Xeon(R) CPU E3-1281 v3 @ 3.70GHz
- Video card: Quadro 600

[Issue]
When starting X on NVIDIA Quadro 600 DisplayPort, X does not start correctly
and does not show screen at all. I am using nouveau. This also happen with
- Quadro 600 / 2000 / 4000
- Quadro FX 1800
The issue does not happen if DVI output is used.

[Steps to reproduce]
(1) Install Debian GNU/Linux 13.6 (Trixie) with X
(2) Build latest linux kernel (7.2.0-rc6) and install on it
(3) Reboot the system
(4) Start X (or boot with Display Manager)

[Solution]
After some effort, I found that the attached patch resolves the issue.
This essentially reverts a5a7379f6d9d ("drm/nouveau/kms/nv50-: split DP
disable+enable into two modesets") and adds a workaround for Quadro FX
1800.

[dmesg log (partial)]
[   37.200312] nouveau 0000:04:00.0: disp: ERROR 4 [INVALID_ARG] 84 [] chid=
 0
mthd 0804 data 00882208
[   37.200361] nouveau 0000:04:00.0: disp: ERROR 5 [INVALID_STATE] 05 [] ch=
id 0
mthd 0080 data 00000002
[   37.200366] nouveau 0000:04:00.0: disp: Core:
[   37.200374] nouveau 0000:04:00.0: disp:      0084: 02580320 -> 80000000
[   37.200382] nouveau 0000:04:00.0: disp:      0088: f0000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200385] nouveau 0000:04:00.0: disp: Core - DAC 0:
[   37.200392] nouveau 0000:04:00.0: disp:      0400: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200400] nouveau 0000:04:00.0: disp:      0404: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200406] nouveau 0000:04:00.0: disp:      0420: 00010000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200408] nouveau 0000:04:00.0: disp: Core - DAC 1:
[   37.200416] nouveau 0000:04:00.0: disp:      0480: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200424] nouveau 0000:04:00.0: disp:      0484: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200431] nouveau 0000:04:00.0: disp:      04a0: 00010000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200433] nouveau 0000:04:00.0: disp: Core - DAC 2:
[   37.200441] nouveau 0000:04:00.0: disp:      0500: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200449] nouveau 0000:04:00.0: disp:      0504: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200456] nouveau 0000:04:00.0: disp:      0520: 00010000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200458] nouveau 0000:04:00.0: disp: Core - SOR 0:
[   37.200466] nouveau 0000:04:00.0: disp:      0600: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200467] nouveau 0000:04:00.0: disp: Core - SOR 1:
[   37.200475] nouveau 0000:04:00.0: disp:      0640: 00000000 -> 00022801
[   37.200477] nouveau 0000:04:00.0: disp: Core - SOR 2:
[   37.200484] nouveau 0000:04:00.0: disp:      0680: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200486] nouveau 0000:04:00.0: disp: Core - SOR 3:
[   37.200493] nouveau 0000:04:00.0: disp:      06c0: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200494] nouveau 0000:04:00.0: disp: Core - PIOR 0:
[   37.200502] nouveau 0000:04:00.0: disp:      0700: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200504] nouveau 0000:04:00.0: disp: Core - PIOR 1:
[   37.200511] nouveau 0000:04:00.0: disp:      0740: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200512] nouveau 0000:04:00.0: disp: Core - PIOR 2:
[   37.200518] nouveau 0000:04:00.0: disp:      0780: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200520] nouveau 0000:04:00.0: disp: Core - HEAD 0:
[   37.200528] nouveau 0000:04:00.0: disp:      0800: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200536] nouveau 0000:04:00.0: disp:      0804: 00841190=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200543] nouveau 0000:04:00.0: disp:      0808: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200551] nouveau 0000:04:00.0: disp:      080c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200558] nouveau 0000:04:00.0: disp:      0810: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200566] nouveau 0000:04:00.0: disp:      0814: 08ae0fa0=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200572] nouveau 0000:04:00.0: disp:      0818: 0004008f=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200580] nouveau 0000:04:00.0: disp:      081c: 00070097=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200587] nouveau 0000:04:00.0: disp:      0820: 08770f97=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200595] nouveau 0000:04:00.0: disp:      0824: 00000001=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200601] nouveau 0000:04:00.0: disp:      0828: 00000384=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200609] nouveau 0000:04:00.0: disp:      082c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200615] nouveau 0000:04:00.0: disp:      0830: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200623] nouveau 0000:04:00.0: disp:      0838: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200630] nouveau 0000:04:00.0: disp:      0840: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200638] nouveau 0000:04:00.0: disp:      0844: 00000430=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200644] nouveau 0000:04:00.0: disp:      0848: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200652] nouveau 0000:04:00.0: disp:      084c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200659] nouveau 0000:04:00.0: disp:      085c: 00000000 -> f0000001
[   37.200667] nouveau 0000:04:00.0: disp:      0860: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200673] nouveau 0000:04:00.0: disp:      0864: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200681] nouveau 0000:04:00.0: disp:      0868: 08700f00=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200687] nouveau 0000:04:00.0: disp:      086c: 00103c00=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200695] nouveau 0000:04:00.0: disp:      0870: 0000cf00=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200702] nouveau 0000:04:00.0: disp:      0874: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200710] nouveau 0000:04:00.0: disp:      0878: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200716] nouveau 0000:04:00.0: disp:      0880: 20000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200724] nouveau 0000:04:00.0: disp:      0884: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200730] nouveau 0000:04:00.0: disp:      089c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200738] nouveau 0000:04:00.0: disp:      08a0: 00000002=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200745] nouveau 0000:04:00.0: disp:      08a4: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200753] nouveau 0000:04:00.0: disp:      08a8: 00040000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200759] nouveau 0000:04:00.0: disp:      08c0: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200767] nouveau 0000:04:00.0: disp:      08c4: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200773] nouveau 0000:04:00.0: disp:      08c8: 08700f00=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200781] nouveau 0000:04:00.0: disp:      08d4: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200788] nouveau 0000:04:00.0: disp:      08d8: 08700f00=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200796] nouveau 0000:04:00.0: disp:      08dc: 08700f00=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200802] nouveau 0000:04:00.0: disp:      0900: 00000301=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200810] nouveau 0000:04:00.0: disp:      0904: 00000100=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200816] nouveau 0000:04:00.0: disp:      0910: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200824] nouveau 0000:04:00.0: disp:      0914: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200826] nouveau 0000:04:00.0: disp: Core - HEAD 1:
[   37.200833] nouveau 0000:04:00.0: disp:      0c00: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200841] nouveau 0000:04:00.0: disp:      0c04: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200849] nouveau 0000:04:00.0: disp:      0c08: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200857] nouveau 0000:04:00.0: disp:      0c0c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200864] nouveau 0000:04:00.0: disp:      0c10: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200873] nouveau 0000:04:00.0: disp:      0c14: 00050008=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200881] nouveau 0000:04:00.0: disp:      0c18: 00000001=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200888] nouveau 0000:04:00.0: disp:      0c1c: 00010003=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200897] nouveau 0000:04:00.0: disp:      0c20: 00030004=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200903] nouveau 0000:04:00.0: disp:      0c24: 00000001=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200911] nouveau 0000:04:00.0: disp:      0c28: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200917] nouveau 0000:04:00.0: disp:      0c2c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200925] nouveau 0000:04:00.0: disp:      0c30: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200931] nouveau 0000:04:00.0: disp:      0c38: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200939] nouveau 0000:04:00.0: disp:      0c40: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200946] nouveau 0000:04:00.0: disp:      0c44: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200954] nouveau 0000:04:00.0: disp:      0c48: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200960] nouveau 0000:04:00.0: disp:      0c4c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200968] nouveau 0000:04:00.0: disp:      0c5c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200974] nouveau 0000:04:00.0: disp:      0c60: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200982] nouveau 0000:04:00.0: disp:      0c64: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200989] nouveau 0000:04:00.0: disp:      0c68: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.200997] nouveau 0000:04:00.0: disp:      0c6c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201003] nouveau 0000:04:00.0: disp:      0c70: 0000e900=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201011] nouveau 0000:04:00.0: disp:      0c74: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201017] nouveau 0000:04:00.0: disp:      0c78: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201025] nouveau 0000:04:00.0: disp:      0c80: 20000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201032] nouveau 0000:04:00.0: disp:      0c84: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201040] nouveau 0000:04:00.0: disp:      0c9c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201046] nouveau 0000:04:00.0: disp:      0ca0: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201054] nouveau 0000:04:00.0: disp:      0ca4: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201060] nouveau 0000:04:00.0: disp:      0ca8: 00040000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201068] nouveau 0000:04:00.0: disp:      0cc0: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201075] nouveau 0000:04:00.0: disp:      0cc4: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201083] nouveau 0000:04:00.0: disp:      0cc8: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201089] nouveau 0000:04:00.0: disp:      0cd4: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201097] nouveau 0000:04:00.0: disp:      0cd8: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201103] nouveau 0000:04:00.0: disp:      0cdc: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201111] nouveau 0000:04:00.0: disp:      0d00: 00000300=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201118] nouveau 0000:04:00.0: disp:      0d04: 00000100=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201126] nouveau 0000:04:00.0: disp:      0d10: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   37.201132] nouveau 0000:04:00.0: disp:      0d14: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   39.200277] nouveau 0000:04:00.0: drm: core notifier timeout
[   41.200331] nouveau 0000:04:00.0: drm: base-0: timeout
[   46.604120] nouveau 0000:04:00.0: disp: ERROR 5 [INVALID_STATE] 05 [] ch=
id 0
mthd 0080 data 00000000
[   46.604159] nouveau 0000:04:00.0: disp: Core:
[   46.604175] nouveau 0000:04:00.0: disp:      0084: 02580320 -> 00000000
[   46.604194] nouveau 0000:04:00.0: disp:      0088: f0000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604205] nouveau 0000:04:00.0: disp: Core - DAC 0:
[   46.604219] nouveau 0000:04:00.0: disp:      0400: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604235] nouveau 0000:04:00.0: disp:      0404: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604250] nouveau 0000:04:00.0: disp:      0420: 00010000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604261] nouveau 0000:04:00.0: disp: Core - DAC 1:
[   46.604273] nouveau 0000:04:00.0: disp:      0480: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604286] nouveau 0000:04:00.0: disp:      0484: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604297] nouveau 0000:04:00.0: disp:      04a0: 00010000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604302] nouveau 0000:04:00.0: disp: Core - DAC 2:
[   46.604312] nouveau 0000:04:00.0: disp:      0500: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604327] nouveau 0000:04:00.0: disp:      0504: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604341] nouveau 0000:04:00.0: disp:      0520: 00010000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604352] nouveau 0000:04:00.0: disp: Core - SOR 0:
[   46.604364] nouveau 0000:04:00.0: disp:      0600: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604374] nouveau 0000:04:00.0: disp: Core - SOR 1:
[   46.604388] nouveau 0000:04:00.0: disp:      0640: 00000000 -> 00022801
[   46.604398] nouveau 0000:04:00.0: disp: Core - SOR 2:
[   46.604410] nouveau 0000:04:00.0: disp:      0680: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604415] nouveau 0000:04:00.0: disp: Core - SOR 3:
[   46.604424] nouveau 0000:04:00.0: disp:      06c0: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604429] nouveau 0000:04:00.0: disp: Core - PIOR 0:
[   46.604439] nouveau 0000:04:00.0: disp:      0700: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604443] nouveau 0000:04:00.0: disp: Core - PIOR 1:
[   46.604453] nouveau 0000:04:00.0: disp:      0740: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604457] nouveau 0000:04:00.0: disp: Core - PIOR 2:
[   46.604466] nouveau 0000:04:00.0: disp:      0780: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604471] nouveau 0000:04:00.0: disp: Core - HEAD 0:
[   46.604481] nouveau 0000:04:00.0: disp:      0800: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604496] nouveau 0000:04:00.0: disp:      0804: 00841190=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604512] nouveau 0000:04:00.0: disp:      0808: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604527] nouveau 0000:04:00.0: disp:      080c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604542] nouveau 0000:04:00.0: disp:      0810: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604557] nouveau 0000:04:00.0: disp:      0814: 08ae0fa0=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604571] nouveau 0000:04:00.0: disp:      0818: 0004008f=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604581] nouveau 0000:04:00.0: disp:      081c: 00070097=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604591] nouveau 0000:04:00.0: disp:      0820: 08770f97=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604601] nouveau 0000:04:00.0: disp:      0824: 00000001=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604611] nouveau 0000:04:00.0: disp:      0828: 00000384=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604621] nouveau 0000:04:00.0: disp:      082c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604631] nouveau 0000:04:00.0: disp:      0830: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604640] nouveau 0000:04:00.0: disp:      0838: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604651] nouveau 0000:04:00.0: disp:      0840: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604666] nouveau 0000:04:00.0: disp:      0844: 00000430=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604680] nouveau 0000:04:00.0: disp:      0848: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604696] nouveau 0000:04:00.0: disp:      084c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604711] nouveau 0000:04:00.0: disp:      085c: 00000000 -> f0000001
[   46.604726] nouveau 0000:04:00.0: disp:      0860: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604741] nouveau 0000:04:00.0: disp:      0864: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604753] nouveau 0000:04:00.0: disp:      0868: 08700f00=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604763] nouveau 0000:04:00.0: disp:      086c: 00103c00=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604773] nouveau 0000:04:00.0: disp:      0870: 0000cf00=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604783] nouveau 0000:04:00.0: disp:      0874: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604793] nouveau 0000:04:00.0: disp:      0878: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604802] nouveau 0000:04:00.0: disp:      0880: 20000000 -> 85000000
[   46.604813] nouveau 0000:04:00.0: disp:      0884: 00000000 -> 00000460
[   46.604825] nouveau 0000:04:00.0: disp:      089c: 00000000 -> f0000001
[   46.604839] nouveau 0000:04:00.0: disp:      08a0: 00000002=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604854] nouveau 0000:04:00.0: disp:      08a4: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604869] nouveau 0000:04:00.0: disp:      08a8: 00040000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604885] nouveau 0000:04:00.0: disp:      08c0: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604899] nouveau 0000:04:00.0: disp:      08c4: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604912] nouveau 0000:04:00.0: disp:      08c8: 08700f00=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604927] nouveau 0000:04:00.0: disp:      08d4: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604942] nouveau 0000:04:00.0: disp:      08d8: 08700f00=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604958] nouveau 0000:04:00.0: disp:      08dc: 08700f00=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604974] nouveau 0000:04:00.0: disp:      0900: 00000301=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.604989] nouveau 0000:04:00.0: disp:      0904: 00000100=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605002] nouveau 0000:04:00.0: disp:      0910: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605017] nouveau 0000:04:00.0: disp:      0914: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605028] nouveau 0000:04:00.0: disp: Core - HEAD 1:
[   46.605041] nouveau 0000:04:00.0: disp:      0c00: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605054] nouveau 0000:04:00.0: disp:      0c04: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605067] nouveau 0000:04:00.0: disp:      0c08: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605080] nouveau 0000:04:00.0: disp:      0c0c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605094] nouveau 0000:04:00.0: disp:      0c10: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605108] nouveau 0000:04:00.0: disp:      0c14: 00050008=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605122] nouveau 0000:04:00.0: disp:      0c18: 00000001=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605136] nouveau 0000:04:00.0: disp:      0c1c: 00010003=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605151] nouveau 0000:04:00.0: disp:      0c20: 00030004=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605166] nouveau 0000:04:00.0: disp:      0c24: 00000001=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605179] nouveau 0000:04:00.0: disp:      0c28: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605193] nouveau 0000:04:00.0: disp:      0c2c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605208] nouveau 0000:04:00.0: disp:      0c30: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605221] nouveau 0000:04:00.0: disp:      0c38: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605235] nouveau 0000:04:00.0: disp:      0c40: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605249] nouveau 0000:04:00.0: disp:      0c44: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605263] nouveau 0000:04:00.0: disp:      0c48: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605277] nouveau 0000:04:00.0: disp:      0c4c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605291] nouveau 0000:04:00.0: disp:      0c5c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605305] nouveau 0000:04:00.0: disp:      0c60: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605314] nouveau 0000:04:00.0: disp:      0c64: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605324] nouveau 0000:04:00.0: disp:      0c68: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605334] nouveau 0000:04:00.0: disp:      0c6c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605344] nouveau 0000:04:00.0: disp:      0c70: 0000e900=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605353] nouveau 0000:04:00.0: disp:      0c74: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605363] nouveau 0000:04:00.0: disp:      0c78: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605373] nouveau 0000:04:00.0: disp:      0c80: 20000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605383] nouveau 0000:04:00.0: disp:      0c84: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605396] nouveau 0000:04:00.0: disp:      0c9c: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605411] nouveau 0000:04:00.0: disp:      0ca0: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605425] nouveau 0000:04:00.0: disp:      0ca4: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605439] nouveau 0000:04:00.0: disp:      0ca8: 00040000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605454] nouveau 0000:04:00.0: disp:      0cc0: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605470] nouveau 0000:04:00.0: disp:      0cc4: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605486] nouveau 0000:04:00.0: disp:      0cc8: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605501] nouveau 0000:04:00.0: disp:      0cd4: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605517] nouveau 0000:04:00.0: disp:      0cd8: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605530] nouveau 0000:04:00.0: disp:      0cdc: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605545] nouveau 0000:04:00.0: disp:      0d00: 00000300=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605560] nouveau 0000:04:00.0: disp:      0d04: 00000100=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605573] nouveau 0000:04:00.0: disp:      0d10: 00000000=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20
[   46.605587] nouveau 0000:04:00.0: disp:      0d14: 00000000

--=20
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