[Bug 103111] Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen

[Bug 103111] Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103111

            Bug ID: 103111
           Summary: Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: stevenfalco@gmail.com

Created attachment 134681
  --> https://bugs.freedesktop.org/attachment.cgi?id=134681&action=edit
dmesg file showing a successful boot

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[Bug 103111] Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103111

--- Comment #1 from Steve Falco <stevenfalco@gmail.com> ---
Created attachment 134682
  --> https://bugs.freedesktop.org/attachment.cgi?id=134682&action=edit
good xorg log

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[Bug 103111] Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103111

--- Comment #2 from Steve Falco <stevenfalco@gmail.com> ---
Created attachment 134683
  --> https://bugs.freedesktop.org/attachment.cgi?id=134683&action=edit
bad xorg log

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[Bug 103111] Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103111

--- Comment #3 from Steve Falco <stevenfalco@gmail.com> ---
Created attachment 134684
  --> https://bugs.freedesktop.org/attachment.cgi?id=134684&action=edit
bad dmesg log

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[Bug 103111] Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103111

--- Comment #4 from Steve Falco <stevenfalco@gmail.com> ---
Created attachment 134685
  --> https://bugs.freedesktop.org/attachment.cgi?id=134685&action=edit
second bad xorg log

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[Bug 103111] Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103111

--- Comment #5 from Steve Falco <stevenfalco@gmail.com> ---
I have a Radeon R9 285/380 video card in a machine that is running Fedora 26. 
When I run with Fedora kernel version 4.11.11 the video card works properly,
using the amdgpu kernel driver.

However, once I upgrade to a newer kernel in the 4.12 or 4.13 series, my
display goes blank during boot and stays that way for a long time.  The monitor
appears to be getting sync, because it doesn't go to sleep, however there is
nothing visible on the screen.

Eventually, error messages are displayed and the system never boots fully.

I've attached logs showing both a good and a bad startup.  For some reason, in
the "bad case", I got two xorg log files, so I've attached both.

Please let me know if there is more information that I can collect to help in
debug.

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[Bug 103111] Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103111

--- Comment #6 from Steve Falco <stevenfalco@gmail.com> ---
Created attachment 134713
  --> https://bugs.freedesktop.org/attachment.cgi?id=134713&action=edit
dmesg from agd5f 4.13.0 kernel

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[Bug 103111] Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103111

--- Comment #7 from Steve Falco <stevenfalco@gmail.com> ---
Created attachment 134714
  --> https://bugs.freedesktop.org/attachment.cgi?id=134714&action=edit
xorg log from agd5f 4.13.0 kernel

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[Bug 103111] Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103111

--- Comment #8 from Steve Falco <stevenfalco@gmail.com> ---
As per the mailing list suggestions, I've built a kernel from the
amd-staging-drm-next branch of the agd5f kernel tree.

While it gives me a usable gui, I also get "corrupted mapping in tail page"
errors.  Please see the dmesg attachment at
https://bugs.freedesktop.org/attachment.cgi?id=134713 for the details.

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[Bug 103111] Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103111

--- Comment #9 from Steve Falco <stevenfalco@gmail.com> ---
Created attachment 134717
  --> https://bugs.freedesktop.org/attachment.cgi?id=134717&action=edit
dmesg with increased log buffer parameter

Previous log file was truncated.  This one is better.

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[Bug 103111] Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103111

--- Comment #10 from Steve Falco <stevenfalco@gmail.com> ---
Created attachment 134718
  --> https://bugs.freedesktop.org/attachment.cgi?id=134718&action=edit
xorg log corresponding to the increased log buffer size

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[Bug 103111] Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103111

--- Comment #11 from Steve Falco <stevenfalco@gmail.com> ---
I re-ran the tests with increased log buffer size, since the previous run was
truncated.

The first error message that I see is [   56.199374] BUG: Bad page state in
process Xorg  pfn:817601, followed by [   56.199396] page dumped because:
nonzero compound_mapcount.

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[Bug 103111] Tonga PRO [Radeon R9 285/380] [1002:6939] blank screen

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https://bugs.freedesktop.org/show_bug.cgi?id=103111

Martin Peres <martin.peres@free.fr> changed:

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

--- Comment #12 from Martin Peres <martin.peres@free.fr> ---
-- 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/drm/amd/issues/243.

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