[Bug 111087] SteamOS fails to boot with "drmmode_do_crtc_dpms cannot get last vblank counter"

[Bug 111087] SteamOS fails to boot with "drmmode_do_crtc_dpms cannot get last vblank counter"

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=111087

            Bug ID: 111087
           Summary: SteamOS fails to boot with "drmmode_do_crtc_dpms
                    cannot get last vblank counter"
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: ludovico.denittis@collabora.com

Created attachment 144719
  --> https://bugs.freedesktop.org/attachment.cgi?id=144719&action=edit
basic configuration details

When I try to boot SteamOS I end up with just a black screen.

Xorg.0.log contains this error but I'm not completely sure if it is the cause:
(EE) AMDGPU(0): drmmode_do_crtc_dpms cannot get last vblank counter

I also tried installing debian kernel 5.0.2-1~exp1, mesa 19.1.1 and all the
relevant xserver-xorg-video-* 19.0.1 but the problem persisted.

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[Bug 111087] SteamOS fails to boot with "drmmode_do_crtc_dpms cannot get last vblank counter"

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 323 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

--- Comment #1 from Ludovico de Nittis <ludovico.denittis@collabora.com> ---
Created attachment 144720
  --> https://bugs.freedesktop.org/attachment.cgi?id=144720&action=edit
Xorg.0.log

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[Bug 111087] SteamOS fails to boot with "drmmode_do_crtc_dpms cannot get last vblank counter"

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 331 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

--- Comment #2 from Ludovico de Nittis <ludovico.denittis@collabora.com> ---
Created attachment 144721
  --> https://bugs.freedesktop.org/attachment.cgi?id=144721&action=edit
modinfo.amdgpu.log

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[Bug 111087] SteamOS fails to boot with "drmmode_do_crtc_dpms cannot get last vblank counter"

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 326 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

--- Comment #3 from Ludovico de Nittis <ludovico.denittis@collabora.com> ---
Created attachment 144722
  --> https://bugs.freedesktop.org/attachment.cgi?id=144722&action=edit
lspci.vnn.log

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[Bug 111087] SteamOS fails to boot with "drmmode_do_crtc_dpms cannot get last vblank counter"

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 322 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

--- Comment #4 from Ludovico de Nittis <ludovico.denittis@collabora.com> ---
Created attachment 144723
  --> https://bugs.freedesktop.org/attachment.cgi?id=144723&action=edit
dmesg.log

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[Bug 111087] SteamOS fails to boot with "drmmode_do_crtc_dpms cannot get last vblank counter"

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 328 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

--- Comment #5 from Ludovico de Nittis <ludovico.denittis@collabora.com> ---
Created attachment 144724
  --> https://bugs.freedesktop.org/attachment.cgi?id=144724&action=edit
dkms.status.log

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[Bug 111087] SteamOS fails to boot with "drmmode_do_crtc_dpms cannot get last vblank counter"

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 329 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

--- Comment #6 from Ludovico de Nittis <ludovico.denittis@collabora.com> ---
Created attachment 144725
  --> https://bugs.freedesktop.org/attachment.cgi?id=144725&action=edit
lsmod.amdgpu.log

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[Bug 111087] SteamOS fails to boot with "drmmode_do_crtc_dpms cannot get last vblank counter"

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 324 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

--- Comment #7 from Ludovico de Nittis <ludovico.denittis@collabora.com> ---
Created attachment 144726
  --> https://bugs.freedesktop.org/attachment.cgi?id=144726&action=edit
package.log

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[Bug 111087] SteamOS fails to boot with "drmmode_do_crtc_dpms cannot get last vblank counter"

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 427 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #144720|text/x-log                  |text/plain
          mime type|                            |

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[Bug 111087] SteamOS fails to boot with "drmmode_do_crtc_dpms cannot get last vblank counter"

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 427 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #144721|text/x-log                  |text/plain
          mime type|                            |

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[Bug 111087] SteamOS fails to boot with "drmmode_do_crtc_dpms cannot get last vblank counter"

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 427 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #144722|text/x-log                  |text/plain
          mime type|                            |

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[Bug 111087] SteamOS fails to boot with "drmmode_do_crtc_dpms cannot get last vblank counter"

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 427 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #144723|text/x-log                  |text/plain
          mime type|                            |

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[Bug 111087] SteamOS fails to boot with "drmmode_do_crtc_dpms cannot get last vblank counter"

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 427 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #144724|text/x-log                  |text/plain
          mime type|                            |

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[Bug 111087] SteamOS fails to boot with "drmmode_do_crtc_dpms cannot get last vblank counter"

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 427 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #144725|text/x-log                  |text/plain
          mime type|                            |

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[Bug 111087] SteamOS fails to boot with "drmmode_do_crtc_dpms cannot get last vblank counter"

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 427 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #144726|text/x-log                  |text/plain
          mime type|                            |

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[Bug 111087] SteamOS boots to black screen

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[-- Attachment #1.1: Type: text/plain, Size: 1321 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|SteamOS fails to boot with  |SteamOS boots to black
                   |"drmmode_do_crtc_dpms       |screen
                   |cannot get last vblank      |
                   |counter"                    |

--- Comment #8 from Michel Dänzer <michel@daenzer.net> ---
(In reply to Ludovico de Nittis from comment #0)
> When I try to boot SteamOS I end up with just a black screen.

The Xorg log file indicates that Xorg starts up in 2560x1440, then an X client
switches to 1920x1080 about 0.25s later (~23s after the kernel starts booting).
Do you notice anything on the monitor around that time, e.g. some kind of
flicker? What does the monitor say about the input signal when the black screen
is shown?

Does amdgpu.dc=0 on the kernel command line make any difference?


> Xorg.0.log contains this error but I'm not completely sure if it is the
> cause:
> (EE) AMDGPU(0): drmmode_do_crtc_dpms cannot get last vblank counter

It's probably not related to that.

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[Bug 111087] SteamOS boots to black screen

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[-- Attachment #1.1: Type: text/plain, Size: 1400 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

--- Comment #9 from Ludovico de Nittis <ludovico.denittis@collabora.com> ---
(In reply to Michel Dänzer from comment #8)
> The Xorg log file indicates that Xorg starts up in 2560x1440, then an X
> client switches to 1920x1080 about 0.25s later (~23s after the kernel starts
> booting). Do you notice anything on the monitor around that time, e.g. some
> kind of flicker? What does the monitor say about the input signal when the
> black screen is shown?

After trying one more time I realized that the timing reported by the Xorg log
was really too high.
So I tried to leave the PC in this black screen for a couple of minutes and I
saw that the Xorg log entries were all starting at 140s+

Apparently it is not a static black screen but instead an endless loop? And the
Xorg log is only about the last boot attempt.

With a video it will be easier to show exactly what happens: 
https://youtu.be/YipyPIcP0lA

Moreover as you can see if I move the mouse I'm able to see the SteamOS cursor
for a fraction of a second before the monitor turns completely black again.

> Does amdgpu.dc=0 on the kernel command line make any difference?

No difference. I'll upload the Xorg log and the dmesg of it anyway, just in
case it could be of any help.

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[Bug 111087] SteamOS boots to black screen

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[-- Attachment #1.1: Type: text/plain, Size: 350 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

--- Comment #10 from Ludovico de Nittis <ludovico.denittis@collabora.com> ---
Created attachment 144727
  --> https://bugs.freedesktop.org/attachment.cgi?id=144727&action=edit
dmesg with kernel option amdgpu.dc=0

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[Bug 111087] SteamOS boots to black screen

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[-- Attachment #1.1: Type: text/plain, Size: 353 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

--- Comment #11 from Ludovico de Nittis <ludovico.denittis@collabora.com> ---
Created attachment 144728
  --> https://bugs.freedesktop.org/attachment.cgi?id=144728&action=edit
Xorg log with kernel option amdgpu.dc=0

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[Bug 111087] SteamOS boots to black screen

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[-- Attachment #1.1: Type: text/plain, Size: 268 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

--- Comment #12 from Michel Dänzer <michel@daenzer.net> ---
Sounds like Xorg keeps crashing, please attach the Xorg.0.log.old file.

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[Bug 111087] SteamOS boots to black screen

[bugzilla-daemon]

[-- Attachment #1.1: Type: text/plain, Size: 328 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

--- Comment #13 from Ludovico de Nittis <ludovico.denittis@collabora.com> ---
Created attachment 144731
  --> https://bugs.freedesktop.org/attachment.cgi?id=144731&action=edit
Xorg.0.log.old

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[Bug 111087] SteamOS boots to black screen

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[-- Attachment #1.1: Type: text/plain, Size: 393 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

--- Comment #15 from Michel Dänzer <michel@daenzer.net> ---
"Server terminated successfully" means Xorg doesn't crash, indicating the
problem is on the client side. You should probably get in touch with SteamOS
folks about how to get diagnostics on that.

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[Bug 111087] SteamOS boots to black screen

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[-- Attachment #1.1: Type: text/plain, Size: 381 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

--- Comment #16 from Ludovico de Nittis <ludovico.denittis@collabora.com> ---
Michel as you correctly guessed this wasn't an Xorg issue after all.
FTR it was caused by a Steam Runtime audio bug that has been fixed with the
latest beta release.

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[Bug 111087] SteamOS boots to black screen

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[-- Attachment #1.1: Type: text/plain, Size: 547 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=111087

Michel Dänzer <michel@daenzer.net> changed:

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

--- Comment #17 from Michel Dänzer <michel@daenzer.net> ---
Thanks for the follow-up, glad it's been fixed.

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