Firefox Tearing when Scrolling - How to enable Vsync.

Peace ppl!
I'm experiencing firefox tearing issues/visual artifacts when smooth scrolling is enabled on aur/firefox-pgo 3.6.6-1.
One way to solve this is to enable vsync. Simply enable desktop effects on kde4 and enable vsync.
$ glxgears
Running synchronized to the vertical refresh. The framerate should be
approximately the same as the monitor refresh rate.
263 frames in 5.0 seconds = 52.432 FPS
The fps is close to the monitor refresh rate of 60Hz.
The weird thing is if I disable desktop effects thereafter, the vsync setting still stands!
Is there a way to enable vsync without going through all this?
Perhaps through an xorg.conf setting. (Don't have one now; not required)
Thanks in advance!

http://www.zupmage.eu/i/bV8yTk2LIZ.png
Disabled smooth scrolling and resolve my problem
-- mod edit: read the Forum Etiquette and only post thumbnails http://wiki.archlinux.org/index.php/For … s_and_Code [jwr] --

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a brody = kmosx: General troubleshooting freezes
http://discussions.apple.com/thread.jspa?threadID=196767
a brody - kmosx: How to troubleshoot an X issue before posting
http://discussions.apple.com/thread.jspa?threadID=196766
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http://discussions.apple.com/thread.jspa?threadID=196761
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Message was edited by: Eme~ http://discussions.apple.com/thread.jspa?threadID=296514&tstart=0
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!http://i46.tinypic.com/2nvn6f.gif!
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http://support.apple.com/kb/ts5209
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bp-6b4c46ed-2f56-4444-97ab-3f0962150321
bp-1ae616b1-a70c-4406-b40f-e94822150321
bp-47d1ca1d-8e27-4cac-b7cc-50bf32150321
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Description:
A problem caused this program to stop interacting with Windows.
Problem signature:
Problem Event Name: AppHangXProcB1
Application Name: firefox.exe
Application Version: 36.0.1.5542
Application Timestamp: 54f8437a
Hang Signature: e5f0
Hang Type: 134217760
Waiting on Application Name: FlashPlayerPlugin_16_0_0_305.exe
Waiting on Application Version: 16.0.0.305
OS Version: 6.3.9600.2.0.0.768.101
Locale ID: 2057
Additional Hang Signature 1: e5f09e41f6195b22923bbdbdf7136114
Additional Hang Signature 2: b3f6
Additional Hang Signature 3: b3f6d66c873393c06de5fca14a41a5d5
Additional Hang Signature 4: e5f0
Additional Hang Signature 5: e5f09e41f6195b22923bbdbdf7136114
Additional Hang Signature 6: b3f6
Additional Hang Signature 7: b3f6d66c873393c06de5fca14a41a5d5
Read our privacy statement online:
http://go.microsoft.com/fwlink/?linkid=280262
If the online privacy statement is not available, please read our privacy statement offline:
C:\WINDOWS\system32\en-GB\erofflps.txt
Problem signature:
Problem Event Name: APPCRASH
Application Name: plugin-container.exe
Application Version: 36.0.1.5542
Application Timestamp: 54f851c0
Fault Module Name: mozalloc.dll
Fault Module Version: 36.0.1.5542
Fault Module Timestamp: 54f8437e
Exception Code: 80000003
Exception Offset: 00001e02
OS Version: 6.3.9600.2.0.0.768.101
Locale ID: 2057
Additional Information 1: 5861
Additional Information 2: 5861822e1919d7c014bbb064c64908b2
Additional Information 3: a10f
Additional Information 4: a10ff7d2bb2516fdc753f9c34fc3b069
Read our privacy statement online:
http://go.microsoft.com/fwlink/?linkid=280262
If the online privacy statement is not available, please read our privacy statement offline:
C:\WINDOWS\system32\en-GB\erofflps.txt
Problem signature:
Problem Event Name: APPCRASH
Application Name: plugin-container.exe
Application Version: 36.0.1.5542
Application Timestamp: 54f851c0
Fault Module Name: mozalloc.dll
Fault Module Version: 36.0.1.5542
Fault Module Timestamp: 54f8437e
Exception Code: 80000003
Exception Offset: 00001e02
OS Version: 6.3.9600.2.0.0.768.101
Locale ID: 2057
Additional Information 1: 5861
Additional Information 2: 5861822e1919d7c014bbb064c64908b2
Additional Information 3: a10f
Additional Information 4: a10ff7d2bb2516fdc753f9c34fc3b069
Read our privacy statement online:
http://go.microsoft.com/fwlink/?linkid=280262
If the online privacy statement is not available, please read our privacy statement offline:
C:\WINDOWS\system32\en-GB\erofflps.txt
I also did a system file check and it says "Windows Resource Protection found corrupt files but was unable to fix some of them". In the log then, the only file that seems it was not possible to repair is "member file [l:36{18}]"Amd64\CNBJ2530.DPB" of prncacla.inf, Version = 6.3.9600.17415". The log is huge so I cannot copy it, I don't know if it's possible to upload a text file, but then again I don't think there's much more. As I said no graphics driver updates are available for my card. After the System file check I went to youtube and started scrolling up and down and the crash happened.

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Question
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See this. <br />
https://support.mozilla.com/en-US/kb/Firefox+hangs#Hang_at_exit

Firefox Tearing when Scrolling - How to enable Vsync.

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