Nouveau - Feb 2017 - [Bug 99858] New: disp: ERROR 4 [INVALID_VALUE] 84 chid 0 mthd 0828 data 000099bb

https://bugs.freedesktop.org/show_bug.cgi?id=99858

            Bug ID: 99858
           Summary: disp: ERROR 4 [INVALID_VALUE] 84 [] chid 0 mthd 0828
                    data 000099bb
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: ulr_bugs_freedesktop_org at moehrkevielfalt.de
        QA Contact: xorg-team at lists.x.org

Created attachment 129736
  --> https://bugs.freedesktop.org/attachment.cgi?id=129736&action=edit
Output of dmesg for start with kernel 4.9

I get a blank screen and the error 
[    3.857342] nouveau 0000:03:00.0: disp: ERROR 4 [INVALID_VALUE] 84 [] chid 0
mthd 0828 data 000099bb
in kernel log while starting the system. The problem occurs with kernel 4.9.
With kernel 3.16 the system starts fine. With kernel 4.10 (debian experimental)
I get a blank screen too but another error within the log:
[    6.123790] nouveau 0000:03:00.0: DRM: EVO timeout

I will directly add the output of dmesg for start with kernel 4.9 and try to
add the outputs of dmesg for start with kernels 4.10 and 3.16 later. Also I
will try to add the output of dpkg -l for possibly needed information about
versions of other packages.

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--- Comment #1 from Ulrich M <ulr_bugs_freedesktop_org at
moehrkevielfalt.de> ---
Created attachment 129737
  --> https://bugs.freedesktop.org/attachment.cgi?id=129737&action=edit
Output of dmesg for start with kernel 4.10

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--- Comment #2 from Ulrich M <ulr_bugs_freedesktop_org at
moehrkevielfalt.de> ---
Created attachment 129738
  --> https://bugs.freedesktop.org/attachment.cgi?id=129738&action=edit
Output of dmesg for start with kernel 3.16

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https://bugs.freedesktop.org/show_bug.cgi?id=99858

Ulrich M <ulr_bugs_freedesktop_org at moehrkevielfalt.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ulr_bugs_freedesktop_org at mo
                   |                            |ehrkevielfalt.de

--- Comment #3 from Ulrich M <ulr_bugs_freedesktop_org at
moehrkevielfalt.de> ---
Created attachment 129739
  --> https://bugs.freedesktop.org/attachment.cgi?id=129739&action=edit
Output of dpkg -l

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--- Comment #4 from Ulrich M <ulr_bugs_freedesktop_org at
moehrkevielfalt.de> ---
I forgot within bug description.
The screen is a TV (HD ready) connected via HDMI.

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Ilia Mirkin <imirkin at alum.mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|disp: ERROR 4               |[NVAC] disp: ERROR 4
                   |[INVALID_VALUE] 84 [] chid  |[INVALID_VALUE] 84 [] chid
                   |0 mthd 0828 data 000099bb   |0 mthd 0828 data 000099bb

--- Comment #5 from Ilia Mirkin <imirkin at alum.mit.edu> ---
There was a bad workaround that went into kernel 4.8 or so (for NVAC) which was
reverted in kernel 4.10, which had the effect of breaking HDMI. Commit
7dfee6827780d4228148263545af936d0cae8930 which was first included in 4.10-rc7.
It appears that you were running 4.10-rc6 - can you try a later RC?

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--- Comment #6 from poma <pomidorabelisima at gmail.com> ---

$ curl -s
https://cdn.kernel.org/pub/linux/kernel/v4.x/testing/patch-4.10-rc7.xz | xzgrep
-B6 "case 0xa[ac]:"
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c
@@ -433,8 +433,6 @@ nv50_disp_dptmds_war(struct nvkm_device *device)
        case 0x94:
        case 0x96:
        case 0x98:
-       case 0xaa:
-       case 0xac:

And just in case one more time for 4.10-rc8 :)

$ curl -s
https://cdn.kernel.org/pub/linux/kernel/v4.x/testing/patch-4.10-rc8.xz | xzgrep
-B6 "case 0xa[ac]:"
--- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/nv50.c
@@ -433,8 +433,6 @@ nv50_disp_dptmds_war(struct nvkm_device *device)
        case 0x94:
        case 0x96:
        case 0x98:
-       case 0xaa:
-       case 0xac:

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poma <pomidorabelisima at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugs.freedesktop.or
                   |                            |g/show_bug.cgi?id=98405

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poma <pomidorabelisima at gmail.com> changed:

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

--- Comment #7 from poma <pomidorabelisima at gmail.com> ---


*** This bug has been marked as a duplicate of bug 98405 ***

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