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Old 12-22-2010, 09:28 PM   #1
ufmale
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Slow refresh screen problem for Fedora 14.


I have been using Windows on my laptop, but recently switch to Fedora 14.
However, there seems to be a screen refresh rate issue that i didn't encounter when using Windows.
The symptom is that when I scroll down through the browser page, the content become gibberish and unreadable. I have to do a refresh to read that content.

I did some searching on the Internet and found that it may be able to fix by updating driver, but i have no idea what and how to do it. can someone suggest a solution? can i use yum?

Code:
$ lspci
00:00.0 Host bridge: Intel Corporation 82855PM Processor to I/O Controller (rev 03)
00:01.0 PCI bridge: Intel Corporation 82855PM Processor to AGP Controller (rev 03)
00:1d.0 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 01)
00:1d.1 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 01)
00:1d.2 USB Controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 (rev 01)
00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller (rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 81)
00:1f.0 ISA bridge: Intel Corporation 82801DBM (ICH4-M) LPC Interface Bridge (rev 01)
00:1f.1 IDE interface: Intel Corporation 82801DBM (ICH4-M) IDE Controller (rev 01)
00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus Controller (rev 01)
00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 01)
00:1f.6 Modem: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Modem Controller (rev 01)
01:00.0 VGA compatible controller: ATI Technologies Inc M10 NT [FireGL Mobility T2] (rev 80)
02:00.0 CardBus bridge: Texas Instruments PCI4520 PC card Cardbus Controller (rev 01)
02:00.1 CardBus bridge: Texas Instruments PCI4520 PC card Cardbus Controller (rev 01)
02:01.0 Ethernet controller: Intel Corporation 82540EP Gigabit Ethernet Controller (Mobile) (rev 03)
02:02.0 Ethernet controller: Atheros Communications Inc. AR5212 802.11abg NIC (r

Last edited by ufmale; 12-22-2010 at 09:35 PM.
 
Old 12-23-2010, 07:27 AM   #2
siavashgh
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Yes! you are right, in many cases it's just happen if the system didn't have the right VGA Driver.

So, first you must know what is your VGA Vendor! and then install it using yum: "yum install kmod-nvidia"
This may help you: http://www.mjmwired.net/resources/mj...ra-nvidia.html
 
Old 12-23-2010, 07:57 AM   #3
markush
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Hello ufmale,

when you execute
Code:
lspci -v
as root, you get a more verbose output of the lspci command. In the last line of the section of each device you'll find the module which is actually in use for this device. You may post here which driver this is.

For recent ATI-drivers you may look here: http://support.amd.com/us/gpudownload/Pages/index.aspx

Markus
 
Old 12-24-2010, 02:39 AM   #4
ufmale
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Here is the lspci -v result:

Quote:
01:00.0 VGA compatible controller: ATI Technologies Inc M10 NT [FireGL Mobility T2] (rev 80) (prog-if 00 [VGA controller])
Subsystem: IBM Device 054f
Flags: bus master, fast Back2Back, 66MHz, medium devsel, latency 66, IRQ 11
Memory at e0000000 (32-bit, prefetchable) [size=128M]
I/O ports at 3000 [size=256]
Memory at c0100000 (32-bit, non-prefetchable) [size=64K]
[virtual] Expansion ROM at c0120000 [disabled] [size=128K]
Capabilities: [58] AGP version 2.0
Capabilities: [50] Power Management version 2
Kernel driver in use: radeon
Kernel modules: radeon, radeonfb
What yum command do i need?
 
Old 12-24-2010, 05:03 AM   #5
markush
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Registered: Apr 2007
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Well, you could try to use the radeonfb module instead the radeon module. There are two ways to do that. First is to leave X, use rmmod to unload radeon, if you get message "driver in use", you'll have to check with lsmod which drivers use radeon and unload them at first. Afterwards you may use
Code:
modprobe radeonfb
in order to load radeonfb.

If this doesn't work, you may blacklist the "radeon" module and reboot the system. Look at the dokumentation of your distribution about blacklisting.

If this doesn't work as well, you'll have to go to the downloadsite of the vendor of your laptop (referring to the downloadsite of AMD/ATI) and look for the driver.

Markus
 
Old 12-26-2010, 08:36 AM   #6
adamk75
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Do not switch to radeonfb and do not try to install any driver from AMD. That advice is just.. well... bad. Your GPU has not been supported by the drivers from AMD for about two years. radeonfb is only a console framebuffer driver and will just break direct rendering if you have it working already... If not, it will keep you from getting it working.

Please attach your /var/log/Xorg.0.log file to a post here.

Adam
 
  


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