[Bug 44422] New: periodic slowdowns in every 30sec

[Bug 44422] New: periodic slowdowns in every 30sec

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=44422

             Bug #: 44422
           Summary: periodic slowdowns in every 30sec
    Classification: Unclassified
           Product: Mesa
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: aaalmosss@gmail.com


Rendering slows down to crawl for <1sec every 30 secs. It affects everything:
3d applications, video playback, 2d drawing (e.g. kpatience), probably because
of the compositing.

I suspect this is caused by r600g, because my other machine running the same
distribution but r300g doesn't have this problem. Current 7.12-dev
(git-2cd7e5b) seems to slow down less than 7.11, but the effect remains and it
is very noticeable.

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[Bug 44422] periodic slowdowns in every 30sec

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https://bugs.freedesktop.org/show_bug.cgi?id=44422

--- Comment #1 from Alex Deucher <agd5f@yahoo.com> 2012-01-03 06:21:29 PST ---
Please attach your xorg log, dmesg output, and glxinfo output.  If it happens
every 30 seconds, it may be your desktop environment polling the connectors on
your video card to see what is connected.  They shouldn't be doing that as the
driver handles that internally and generates hotplug events automatically.

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[Bug 44422] periodic slowdowns in every 30sec

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=44422

--- Comment #2 from almos <aaalmosss@gmail.com> 2012-01-03 07:02:44 PST ---
Created attachment 55083
  --> https://bugs.freedesktop.org/attachment.cgi?id=55083
dmesg

Hmmm... I haven't noticed there are so many call traces in dmesg. Disturbing.

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[Bug 44422] periodic slowdowns in every 30sec

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https://bugs.freedesktop.org/show_bug.cgi?id=44422

--- Comment #3 from almos <aaalmosss@gmail.com> 2012-01-03 07:03:33 PST ---
Created attachment 55084
  --> https://bugs.freedesktop.org/attachment.cgi?id=55084
Xorg.0.log

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[Bug 44422] periodic slowdowns in every 30sec

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https://bugs.freedesktop.org/show_bug.cgi?id=44422

--- Comment #4 from almos <aaalmosss@gmail.com> 2012-01-03 07:05:17 PST ---
Created attachment 55085
  --> https://bugs.freedesktop.org/attachment.cgi?id=55085
glxinfo

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[Bug 44422] periodic slowdowns in every 30sec

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https://bugs.freedesktop.org/show_bug.cgi?id=44422

--- Comment #5 from Alex Deucher <agd5f@yahoo.com> 2012-01-03 07:18:22 PST ---
Does disabling output polling in your desktop environment fix the issue?  Try
killing upowerd or knotify.

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[Bug 44422] periodic slowdowns in every 30sec

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https://bugs.freedesktop.org/show_bug.cgi?id=44422

--- Comment #6 from almos <aaalmosss@gmail.com> 2012-01-03 09:06:19 PST ---
(In reply to comment #5)
> Does disabling output polling in your desktop environment fix the issue?  Try
> killing upowerd or knotify.

I killed both, but the issue remains. How can I disable output polling in kde4?

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[Bug 44422] periodic slowdowns in every 30sec

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=44422

--- Comment #7 from Alex Deucher <agd5f@yahoo.com> 2012-01-03 09:24:43 PST ---
I'm not sure off hand.  You might try some of these instructions:
http://linux-tipps.blogspot.com/2009/03/fixing-high-latency-with-kde4-display.html
Alternatively, you could try starting just X (no desktop) in single user mode
and see if you are still getting the issue.

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[Bug 44422] periodic slowdowns in every 30sec

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=44422

almos <aaalmosss@gmail.com> changed:

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

--- Comment #8 from almos <aaalmosss@gmail.com> 2012-01-03 13:08:56 PST ---
Now I experimented a bit and found the culprit: the dd-wrt control panel opened
in firefox reloads itself every 30 seconds. It seems that page loading (or
rendering?) is a real resource hog in firefox, even though this is not a slow
machine (see (9) in rfc1925).

Closing as notourbug.

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