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GdV87Offline
Post subject: ATI driver [SOLVED]  PostPosted: 13.02.2011, 10:07



Joined: 2010-10-11
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Hello;
on my aptosid box I've a ATI Mobility Radeon HD2400XT graphic card and currently I'm using kernel 2.6.35 with fglrx driver.
I would like to pass to the free radeon driver but I'm encountering a problem.
If I remove fglrx driver and install the radeon driver (modifying xorg.conf file), after the boot I see only a black screen (also with a fresh aptosid install). However, if I use the cheat-code "radeon.modeset=0", the xserver starts but I've no 3d-acceleration.
I've attached the xorg.conf file I've tried to use with radeon driver.
Could someone help me? Thanks

GdV87



xorg.conf.tar
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 Filename:  xorg.conf.tar
 Filesize:  10 KB
 Downloaded:  262 Time(s)



Last edited by GdV87 on 15.02.2011, 22:37; edited 1 time in total
 
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towoOffline
Post subject: RE: ATI driver  PostPosted: 13.02.2011, 10:40



Joined: 2010-09-13
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radeon needs firmware-linux-nonfree.
 
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GdV87Offline
Post subject: RE: ATI driver  PostPosted: 13.02.2011, 12:01



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Thanks towo for your reply but I've already installed firmware-linux-nonfree before trying to use radeon driver.

GdV87
 
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towoOffline
Post subject: RE: ATI driver  PostPosted: 13.02.2011, 13:00



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Radeon don't need a xorg.conf.
And since you have played with fglrx, your system is b0rked.
 
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GdV87Offline
Post subject: RE: ATI driver  PostPosted: 13.02.2011, 13:35



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I've tried also to remove the xorg.conf file and I've tried also with the last kernel (2.6.37) but the result is the same: black screen.
@towo: are you saying that I can't go back to radeon driver after I've used Fglrx driver?

GdV87
 
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towoOffline
Post subject: RE: ATI driver  PostPosted: 13.02.2011, 13:40



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without a look in the x-logfile, no one can tell anything.
 
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GdV87Offline
Post subject: RE: ATI driver  PostPosted: 13.02.2011, 13:58



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Here it is my Xorg.log file. This time I've removed the xorg.conf file before trying to use the radeon driver (without success).

GdV87



Xorg.log.tar
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 Filename:  Xorg.log.tar
 Filesize:  60 KB
 Downloaded:  278 Time(s)

 
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GdV87Offline
Post subject: RE: ATI driver  PostPosted: 13.02.2011, 23:52



Joined: 2010-10-11
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This time I've tried to completely purge all fglrx packets before using radeon driver: now the system boots without the black screen!
Strangely, if I log in as root everything goes fine and I can even activate compiz within xfce but, if I log in as my normal user, the system freezes the same instant that compiz terminates its loading.
In dmesg (attached) I've found this statement:
"fb: conflicting fb hw usage radeondrmfb vs VESA VGA - removing generic driver", could it have some relation with my problem?

GdV87



dmesg.tar
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 Filename:  dmesg.tar
 Filesize:  70 KB
 Downloaded:  263 Time(s)

 
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snvvOffline
Post subject:   PostPosted: 14.02.2011, 13:19



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wrong post. sorry.


Last edited by snvv on 16.02.2011, 10:46; edited 1 time in total
 
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GdV87Offline
Post subject:   PostPosted: 15.02.2011, 22:35



Joined: 2010-10-11
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I've done it! Now I'm using radeon driver and everything works fine.
Compiz performance is even better than before.

The correct procedure was:
1) completely purge (not simply remove!) all fglrx packages
2) install radeon driver
3) delete xorg.conf file
4) reset compiz configuration
5) delete vga=[some-number] from /etc/default/grub and then update-grub

GdV87
 
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