[Bug 92495] Freeze/black screen on DPM/after changing power_profile

[Bug 92495] Freeze/black screen on DPM/after changing power_profile

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=92495

            Bug ID: 92495
           Summary: Freeze/black screen on DPM/after changing
                    power_profile
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: johann_frei@yahoo.de

Created attachment 118918
  --> https://bugs.freedesktop.org/attachment.cgi?id=118918&action=edit
vram bios

I'm using an R9 390 (PowerColor Radeon R9 390 PCS+) on Fedora 22.

If I try to use DPM with the kernel parameter dpm=1, I get a black
screen/freeze after the login on GDM.
So I tried to disable DPM, which worked for me to use the computer for basic
work, but the 3D performance is very poor (even slower than my good old HD
5770).
Everytime I want to change the power_profile to high, I get an instant black
screen/freeze, too.
Then I cannot do anything anymore (CTRL+ALT+F1/F2... does not work).

Is it a bug in the power management/reclocking code?!?

R9 390 on radeonsi
Mesa 11.1 (<-- Problem also exists on Mesa 10.6)
Fedora 22 x86_64

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[Bug 92495] Freeze/black screen on DPM/after changing power_profile

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https://bugs.freedesktop.org/show_bug.cgi?id=92495

--- Comment #1 from John Frei <johann_frei@yahoo.de> ---
Created attachment 118919
  --> https://bugs.freedesktop.org/attachment.cgi?id=118919&action=edit
dmesg with dpm=0

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[Bug 92495] Freeze/black screen on DPM/after changing power_profile

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https://bugs.freedesktop.org/show_bug.cgi?id=92495

--- Comment #2 from John Frei <johann_frei@yahoo.de> ---
Created attachment 118920
  --> https://bugs.freedesktop.org/attachment.cgi?id=118920&action=edit
Xorg log

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[Bug 92495] Freeze/black screen on DPM/after changing power_profile

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https://bugs.freedesktop.org/show_bug.cgi?id=92495

--- Comment #3 from John Frei <johann_frei@yahoo.de> ---
I'm not sure if it is the same bug as Bug 91880.
https://bugs.freedesktop.org/show_bug.cgi?id=91880

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[Bug 92495] Freeze/black screen on DPM/after changing power_profile

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https://bugs.freedesktop.org/show_bug.cgi?id=92495

--- Comment #4 from John Frei <johann_frei@yahoo.de> ---
Things I forgot to mention:
The card works like a charm on Windows.
Setting the power_profile to low/mid doesn't trigger the crash.

If the crash was triggered, I can't connect to the ssh daemon via an remote
device.

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[Bug 92495] Freeze/black screen on DPM/after changing power_profile

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https://bugs.freedesktop.org/show_bug.cgi?id=92495

Alex Deucher <alexdeucher@gmail.com> changed:

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

--- Comment #5 from Alex Deucher <alexdeucher@gmail.com> ---


*** This bug has been marked as a duplicate of bug 91880 ***

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