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Bug#547520: marked as done ([xorg] X very slow after upgrade to 7.4)

Your message dated Sun, 20 Sep 2009 16:43:53 +0200
with message-id <4AB63FA9.2090108@ens-lyon.org>
and subject line Re: Bug#547520: [xorg] X very slow after upgrade to 7.4
has caused the Debian Bug report #547520,
regarding [xorg] X very slow after upgrade to 7.4
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
547520: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=547520
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: xorg
Version: 1:7.4+4
Severity: normal

--- Please enter the report below this line. ---
Hello, after Xorg 7.4 moved into squeeze, scrolling, displaying text or 
graphics, drawing new windows takes many seconds or even minutes.

I have an intel integrated graphics chip. From lspci -v :

00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset 
Integrated Graphics Controller (rev 07) (prog-if 00 [VGA controller])
        Subsystem: Lenovo Device 20e4                                                                                                             
        Flags: bus master, fast devsel, latency 0, IRQ 29                                                                                         
        Memory at f0000000 (64-bit, non-prefetchable) [size=4M]                                                                                   
        Memory at d0000000 (64-bit, prefetchable) [size=256M]                                                                                     
        I/O ports at 1800 [size=8]                                                                                                                
        Expansion ROM at <unassigned> [disabled]                                                                                                  
        Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-                                                                                
        Capabilities: [d0] Power Management version 3                                                                                             

00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset 
Integrated Graphics Controller (rev 07)
        Subsystem: Lenovo Device 20e4                                                                        
        Flags: bus master, fast devsel, latency 0                                                            
        Memory at f0400000 (64-bit, non-prefetchable) [size=1M]                                              
        Capabilities: [d0] Power Management version 3

Thinking this was bug #541307, I installed the recommended kernel from 
unstable. This had no apparent effect.

Thank you, Alex

--- System information. ---
Architecture: i386
Kernel:       Linux 2.6.30-2-686-bigmem

Debian Release: squeeze/sid
  990 testing         security.debian.org 
  990 testing         mirror.cc.columbia.edu 
  990 testing         ftp.us.debian.org 
  801 unstable        mirror.cc.columbia.edu 

--- Package information. ---
Depends                      (Version) | Installed
======================================-+-===============
xserver-xorg                           | 1:7.4+4
libgl1-mesa-glx                        | 7.5.1-1
 OR libgl1                             | 
libgl1-mesa-dri                        | 7.5.1-1
libglu1-mesa                           | 7.5.1-1
xfonts-base             (>= 1:1.0.0-1) | 1:1.0.0-6
xfonts-100dpi           (>= 1:1.0.0-1) | 1:1.0.0-4
xfonts-75dpi            (>= 1:1.0.0-1) | 1:1.0.0-4
xfonts-scalable         (>= 1:1.0.0-1) | 1:1.0.0-7
x11-apps                               | 7.4+2
x11-session-utils                      | 7.3+1
x11-utils                              | 7.4+1
x11-xfs-utils                          | 7.4+1
x11-xkb-utils                          | 7.4+3
x11-xserver-utils                      | 7.4+2
xauth                                  | 1:1.0.3-2
xinit                                  | 1.1.1-1
xfonts-utils                           | 1:7.4+2
xkb-data                               | 1.6-1
xorg-docs-core                         | 1:1.4-5
xterm                                  | 247-1
 OR x-terminal-emulator                | 


Package's Recommends field is empty.

Suggests       (Version) | Installed
========================-+-===========
xorg-docs                |

--- End Message ---
--- Begin Message --- 
Alex Gould wrote:
> Package: xorg
> Version: 1:7.4+4
> Severity: normal
>
> --- Please enter the report below this line. ---
> Hello, after Xorg 7.4 moved into squeeze, scrolling, displaying text or 
> graphics, drawing new windows takes many seconds or even minutes.
>   

Intel driver 2.8.x requires UXA which needs GEM support in the kernel.
In 2.6.30, GEM is incompatible with PAE, so you cannot use a
2.6..30-bigmem kernel. You must either upgrade to 2.6.31 or use a
non-bigmem kernel. Otherwise, you get no acceleration and everything is
slow.

Brice

--- End Message ---
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