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[antony617]

Hi all, I'm a newbie to OSx86, just built my own hackintosh days ago.I use Kakewalk 4.1.1 to install OSX 10.7.2, and everything works fine. However I found that when I use Google Chrome to open web media, such as Flash or HTML5 in Youtube, it just freezes my Mac, only the mouse works but everything else freezes.

in console/kernal.log, I found this:

Jan  7 14:48:51 Antonys-Mac-Pro kernel[0]: stampWait: Overflowed checking for stamp 0x31f on Main ring: called from
Jan  7 14:48:51 Antonys-Mac-Pro kernel[0]: timestamp = 0x0282
Jan  7 14:48:51 Antonys-Mac-Pro kernel[0]: ****  Debug info for apparent hang in Main graphics engine  ****
Jan  7 14:48:51 Antonys-Mac-Pro kernel[0]: ring head	= 0x00400420, wrap count = 0x 2
Jan  7 14:48:51 Antonys-Mac-Pro kernel[0]: ring tail	= 0x00003090 ring control = 0x00003001   enabled, auto report disabled, not waiting, semaphore not waiting, length = 0x004 4KB pages
Jan  7 14:48:51 Antonys-Mac-Pro kernel[0]: timestamps = 0x0282
Jan  7 14:48:51 Antonys-Mac-Pro kernel[0]: Semaphore register values:
Jan  7 14:48:51 Antonys-Mac-Pro kernel[0]: VRSYNC: (0x12044) = 0x282
Jan  7 14:48:51 Antonys-Mac-Pro kernel[0]: BRSYNC: (0x22040) = 0x0
Jan  7 14:48:51 Antonys-Mac-Pro kernel[0]: RVSYNC: (0x 2040) = 0x0
Jan  7 14:48:51 Antonys-Mac-Pro kernel[0]: BVSYNC: (0x22044) = 0x0
Jan  7 14:48:51 Antonys-Mac-Pro kernel[0]: RBSYNC: (0x 2044) = 0x1
Jan  7 14:48:51 Antonys-Mac-Pro kernel[0]: VBSYNC: (0x12040) = 0x0
Jan  7 14:48:51 Antonys-Mac-Pro kernel[0]: kIPEHR: 0x7a000003
Jan  7 14:48:51 Antonys-Mac-Pro kernel[0]: kINSTDONE: 0xffffffff
Jan  7 14:48:51 Antonys-Mac-Pro kernel[0]: kINSTDONE_1: 0xbffaffff

In Safari/Firefox everything works fine. Any ideas?

Gigabyte GA-Z68MA-D2H-B3
ASUS HD6870
Intel i7-2600
ADATA 511 120GB SSD
8GB 1600MHz RAM
D-Link DWA-140 Wireless-N adapter
OS X 10.7.2 (Installed with Kakewalk)