[Bug 87196] [radeonsi][dota2] small freezes happens while playing with a drm-next-3.19 linux kernel

[Bug 87196] [radeonsi][dota2] small freezes happens while playing with a drm-next-3.19 linux kernel

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https://bugs.freedesktop.org/show_bug.cgi?id=87196

            Bug ID: 87196
           Summary: [radeonsi][dota2] small freezes happens while playing
                    with a drm-next-3.19 linux kernel
           Product: DRI
           Version: DRI git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: sylvain.bertrand@gmail.com

Up-to-date fedora rawhide, with up-to-date drm-next-3.19 linux kernel and mesa
version 10.5.0 release 0.devel.3.29c7cf2.fc22 (bare openbox window manager).

While playing, small freezes happens while playing. Usually, it "blocks" for
less that half a second, randomly. It's not really disrupting the gameplay as
it's short enough, but it's quite ugly and surprising.

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[Bug 87196] [radeonsi][dota2] small freezes happens while playing with a drm-next-3.19 linux kernel

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https://bugs.freedesktop.org/show_bug.cgi?id=87196

--- Comment #1 from Sylvain BERTRAND <sylvain.bertrand@gmail.com> ---
Created attachment 110681
  --> https://bugs.freedesktop.org/attachment.cgi?id=110681&action=edit
dmesg

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[Bug 87196] [radeonsi][dota2] small freezes happens while playing with a drm-next-3.19 linux kernel

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https://bugs.freedesktop.org/show_bug.cgi?id=87196

--- Comment #2 from Sylvain BERTRAND <sylvain.bertrand@gmail.com> ---
Created attachment 110682
  --> https://bugs.freedesktop.org/attachment.cgi?id=110682&action=edit
xorg.log

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[Bug 87196] [radeonsi][dota2] small freezes happens while playing with a drm-next-3.19 linux kernel

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https://bugs.freedesktop.org/show_bug.cgi?id=87196

--- Comment #3 from Sylvain BERTRAND <sylvain.bertrand@gmail.com> ---
It seems, those mini freezes started to happen after the my last pull from
drm-next-3.19 (see bug #86832)

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[Bug 87196] [radeonsi][dota2] small freezes happens while playing with a drm-next-3.19 linux kernel

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https://bugs.freedesktop.org/show_bug.cgi?id=87196

--- Comment #4 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to Sylvain BERTRAND from comment #3)
> It seems, those mini freezes started to happen after the my last pull from
> drm-next-3.19 (see bug #86832)

Can you bisect?

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[Bug 87196] [radeonsi][dota2] small freezes happens while playing with a drm-next-3.19 linux kernel

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https://bugs.freedesktop.org/show_bug.cgi?id=87196

--- Comment #5 from Sylvain BERTRAND <sylvain.bertrand@gmail.com> ---
Ok, I dive in. The thing: for each kernel commit I should test I need to play
hours to see if the mini freezes happen... this will probably take a while.

The only significant change in my dota2 configuration from the configuration,
which seemed to work flawlessly, is that I play now in a 1920x1080 borderless
window with openbox window manager, instead of 2560x1600 fullscreen with mutter
window manager.

I'll try to locate a "good" commit from
26045b53c96f23b75a48544349c3d936e8402418

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[Bug 87196] [radeonsi][dota2] small freezes happens while playing with a drm-next-3.19 linux kernel

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https://bugs.freedesktop.org/show_bug.cgi?id=87196

Sylvain BERTRAND <sylvain.bertrand@gmail.com> changed:

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

--- Comment #6 from Sylvain BERTRAND <sylvain.bertrand@gmail.com> ---
ok... I cannot reproduce the mini-freezes. They seems gone.
Driver would have been the wrong culprit.

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