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The Unreal Engine causes a hang in the AMD Catalyst driver after a few seconds of in-editor activity, only way to recover is a hard reset.

Kernel Log: http://pastebin.com/dNch8Nja

 Unreal Engine Version:
     4.6 Release

 Catalyst Driver: 
     Omega (14.12)

 Graphics Hardware: 
      SAPPHIRE HD 7970 GHz Edition 3GB GDDR5 VAPOR-X

 Processor Information:
     Vendor:  AuthenticAMD
     CPU Family:  0x15
     CPU Model:  0x1
     CPU Stepping:  0x2
     CPU Type:  0x0
     Speed:  3300 Mhz
     6 logical processors
     6 physical processors
     HyperThreading:  Unsupported
     FCMOV:  Supported
     SSE2:  Supported
     SSE3:  Supported
     SSSE3:  Supported
     SSE4a:  Supported
     SSE41:  Supported
     SSE42:  Supported
 Operating System Version:
     Ubuntu 14.04.1 LTS (64 bit)
     Kernel Name:  Linux
     Kernel Version:  3.13.0-43-generic
     X Server Vendor:  The X.Org Foundation
     X Server Release:  11501000
     X Window Manager:  Compiz
 Video Card:
     Driver:  ATI Technologies Inc. AMD Radeon HD 7900 Series
     Driver Version:  4.4.13283 Compatibility Profile Context 14.501.1003
     OpenGL Version: 4.4
     Desktop Color Depth: 24 bits per pixel
     Monitor Refresh Rate: 60 Hz
     VendorID:  0x1002
     DeviceID:  0x6798
     Number of Monitors:  2
     Number of Logical Video Cards:  1
     Primary Display Resolution:  1920 x 1080
     Desktop Resolution: 3840 x 1080
     Primary Display Size: 23,62" x 13,39"  (27,13" diag)
                                             60,0cm x 34,0cm  (68,9cm diag)
     RAM:  15966 Mb
Product Version: Not Selected
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asked Jan 11 '15 at 02:21 AM in Linux

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This is definitely a problem with the driver itself.

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answered Jul 10 '15 at 02:10 PM

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