[Bug 86832] [dota2][si] freezes up to 3 seconds when many/big display effects happen

[Bug 86832] [dota2][si] freezes up to 3 seconds when many/big display effects happen

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https://bugs.freedesktop.org/show_bug.cgi?id=86832

            Bug ID: 86832
           Summary: [dota2][si] freezes up to 3 seconds when many/big
                    display effects happen
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/Radeon
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: sylvain.bertrand@gmail.com

up-to-date fedora x86_64 rawhide with no-debug kernel. Radeon R9 280X.

dota2 will most of the time freeze up to several seconds when many/big display
effects happen.

This is critical since while in a [team] fight where those effects happen, the
freeze time will make you lose the fight most of the time.

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[Bug 86832] [dota2][si] freezes up to 3 seconds when many/big display effects happen

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=86832

--- Comment #1 from Sylvain BERTRAND <sylvain.bertrand@gmail.com> ---
Created attachment 110189
  --> https://bugs.freedesktop.org/attachment.cgi?id=110189&action=edit
dmesg

nothing special in dmesg, even with happened freeze

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[Bug 86832] [dota2][si] freezes up to 3 seconds when many/big display effects happen

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=86832

--- Comment #2 from Sylvain BERTRAND <sylvain.bertrand@gmail.com> ---
Created attachment 110190
  --> https://bugs.freedesktop.org/attachment.cgi?id=110190&action=edit
Xorg.0.log

idem for Xorg.0.log

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[Bug 86832] [dota2][si] freezes up to 3 seconds when many/big display effects happen

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https://bugs.freedesktop.org/show_bug.cgi?id=86832

--- Comment #3 from Michel Dänzer <michel@daenzer.net> ---
What version of Mesa are you using?

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[Bug 86832] [dota2][si] freezes up to 3 seconds when many/big display effects happen

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https://bugs.freedesktop.org/show_bug.cgi?id=86832

--- Comment #4 from Sylvain BERTRAND <sylvain.bertrand@gmail.com> ---
up-to-date fedora rawhide, but dota2 is a 32 bits app:
Name        : mesa-libGL
Arch        : i686
Version     : 10.5.0
Release     : 0.devel.2.3d9c1a9.fc22
Size        : 783 k
Repo        : installed
>From repo   : rawhide
Summary     : Mesa libGL runtime libraries and DRI drivers
URL         : http://www.mesa3d.org
License     : MIT
Description : Mesa libGL runtime library.

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[Bug 86832] [dota2][si] freezes up to 3 seconds when many/big display effects happen

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https://bugs.freedesktop.org/show_bug.cgi?id=86832

--- Comment #5 from Michel Dänzer <michel@daenzer.net> ---
Any chance you could try a kernel from Alex Deucher (agd5f)'s drm-next-3.19
branch?

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[Bug 86832] [dota2][si] freezes up to 3 seconds when many/big display effects happen

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https://bugs.freedesktop.org/show_bug.cgi?id=86832

--- Comment #6 from Sylvain BERTRAND <sylvain.bertrand@gmail.com> ---
Not really. Last time I tried dev stuff on fedora rawhide, it was complex and
heavy (massive kludge), and at the end the system refused to boot up (systemd
sh*t). I still don't have my custom "live"/mobile gnu/linux distro ready (need
to code a few more components).

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[Bug 86832] [dota2][si] freezes up to 3 seconds when many/big display effects happen

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=86832

--- Comment #7 from Sylvain BERTRAND <sylvain.bertrand@gmail.com> ---
Got my hands on Alex D. drm-next-3.19, I'm going to try...

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[Bug 86832] [dota2][si] freezes up to 3 seconds when many/big display effects happen

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https://bugs.freedesktop.org/show_bug.cgi?id=86832

--- Comment #8 from Sylvain BERTRAND <sylvain.bertrand@gmail.com> ---
Ok... after several hours, I was able to pinpoint proper kernel features to be
allowed by the Grand Master Of Kludge, systemd, and its minions, rtkit and
fedora configuration, to run!
I have a very minimal kernel to avoid, as much as I can, interference from
other components. I'll start testing from now.

Notice UVD and DPM winning in the provided dmesg. I do provide the kernel
config file for reference too.

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[Bug 86832] [dota2][si] freezes up to 3 seconds when many/big display effects happen

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=86832

--- Comment #9 from Sylvain BERTRAND <sylvain.bertrand@gmail.com> ---
Created attachment 110468
  --> https://bugs.freedesktop.org/attachment.cgi?id=110468&action=edit
dmesg with minimal drm-next-3.19 kernel

see the UVD and DPM winning

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[Bug 86832] [dota2][si] freezes up to 3 seconds when many/big display effects happen

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=86832

--- Comment #10 from Sylvain BERTRAND <sylvain.bertrand@gmail.com> ---
Created attachment 110469
  --> https://bugs.freedesktop.org/attachment.cgi?id=110469&action=edit
drm-next-3.19 kernel config used for testing

It contains all the required features to please systemd, rtkit and other fedora
configuration kludge.

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[Bug 86832] [dota2][si] freezes up to 3 seconds when many/big display effects happen

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https://bugs.freedesktop.org/show_bug.cgi?id=86832

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

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

--- Comment #11 from Sylvain BERTRAND <sylvain.bertrand@gmail.com> ---
not temporary freeze with this kernel seen.

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