Bug 28226

Summary: FPS drops to 1 on Disabling KMS while running Openarena
Product: Mesa Reporter: samit vats <hysvats>
Component: Drivers/DRI/R600Assignee: Default DRI bug account <dri-devel>
Status: RESOLVED DUPLICATE QA Contact:
Severity: critical    
Priority: medium    
Version: git   
Hardware: x86 (IA32)   
OS: All   
Whiteboard:
i915 platform: i915 features:
Attachments: Xorg.log-kms-disable
Xorg.0.enable-kms.log
glxinfo

Description samit vats 2010-05-24 04:04:41 UTC 
KMS Driver Stack details :
=========================

1)    Kernel-2.6.32-21-generic-pae    
2)    Libdrm-2.4.19                               
3)    Mesa-7.8-rc2                                
4)    Xorg-server-1.7.4                      
5)    ddx: xf86-video-ati-6.13.0 


System Environment :
===================

O.S. - Ubuntu-10.04(32bit)
Asic - M97
CPU  - Intel(R) Pentium(R)@ 3.60 GHz


Steps to Reproduce:   
===================

A)Running with KMS enabled by default 

1) Install Phoronix-test-suite from http://www.phoronix-test-suite.com/releases/repo/pts.debian/files/phoronix-test-suite_2.4.1_all.deb 

2) Install Openarena
   phoronix-test-suite install openarena

3) Run the game with 1280x1024 or any other resolution
   phoronix-test-suite run openarena

   FPS Observed is 48.60 

B)Disable KMS,reboot and run the test again
 
   FPS observed is 1 FPS
Comment 1 samit vats 2010-05-24 04:06:09 UTC 
Created attachment 35818 [details] [review]
Xorg.log-kms-disable
Comment 2 samit vats 2010-05-24 04:08:00 UTC 
Created attachment 35819 [details]
Xorg.0.enable-kms.log
Comment 3 samit vats 2010-05-24 04:08:48 UTC 
Created attachment 35820 [details]
glxinfo
Comment 4 Alex Deucher 2010-05-24 08:01:13 UTC 
Does openarena have the bloom option turned on?  If so, performance will be slow with ums as that path requires hw accelerated tex(sub)image support which is only possible with kms.  Also, please check glxinfo with ums to make sure 3D is working.
Comment 5 samit vats 2010-05-28 02:11:18 UTC 
(In reply to comment #4)
> Does openarena have the bloom option turned on?  If so, performance will be
> slow with ums as that path requires hw accelerated tex(sub)image support which
> is only possible with kms.  Also, please check glxinfo with ums to make sure 3D
> is working.


Closing the bug. The issue is duplicate of Bug#19366

*** This bug has been marked as a duplicate of bug 19366 ***

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