[arch-general] Xorg doesn't start

[Jakub Klinkovský]

On 01.03.14 at 10:35, arno wrote:
> Hi,
> 
> I am install archlinux on my laptop, and I can't get my graphical card to work (Xorg doesn't start).
> 
> My card is an ati hd 6750
> 
> I've installed xf86-video-ati, xorg-xserver and xorg-xinit.
> But when I try to run startx, xorg doesn't start, and I get a fatal error: no screens found. Here is the full Xorg log:
> http://renevier.net/tmp/Xorg.0.log.txt
> 
> I tried to use catalyst as described on the wiki, but when trying to run aticonfig, I get the following error:
> no supported adapters detected
> 
> lspci -v gives me:
> 
> 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Whistler [Radeon HD 6630M/6650M/6750M/7670M/7690M] (rev ff) (prog-if ff)
> 	!!! Unknown header type 7f
> 	Kernel driver in use: radeon
> 	Kernel modules: radeon, fglrx
> 
> I also need to mention that when I boot from the install cd, then mount my archlinux system and chroot into it, lspci -v gives me:
> 
> 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Whistler [Radeon HD 6630M/6650M/6750M/7670M/7690M] (prog-if 00 [VGA controller])
> 	Subsystem: Samsung Electronics Co Ltd Radeon HD 6750M
> 	Flags: bus master, fast devsel, latency 0, IRQ 51
> 	Memory at a0000000 (64-bit, prefetchable) [size=256M]
> 	Memory at c0700000 (64-bit, non-prefetchable) [size=128K]
> 	I/O ports at 3000 [size=256]
> 	Expansion ROM at c0720000 [disabled] [size=128K]
> 	Capabilities: [50] Power Management version 3
> 	Capabilities: [58] Express Legacy Endpoint, MSI 00
> 	Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
> 	Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
> 	Capabilities: [150] Advanced Error Reporting
> 	Kernel driver in use: radeon
> 
> So this brings me to my first subquestion: why does lspci work fine when booting from the install/repair CD, but displays "Unknown header type" when booting from my installed system?
> 
> And my main question is of course: what could I do to get my card working, and X starting?
> 
> thanks a lot.

ArchWiki says [1]:
  Catalyst does not support Xorg Server 1.15, check out #Xorg repositories and
  pick up xorg repository that you would like to use.

According to the Xorg log, your version is 1.15. Try the open source driver
xf86-video-ati instead of the proprietary Catalyst; see [2] for details. You
will have to uninstall Catalyst first. [3]
  
[1]: https://wiki.archlinux.org/index.php/AMD_Catalyst
[2]: https://wiki.archlinux.org/index.php/ATI
[3]: https://wiki.archlinux.org/index.php/AMD_Catalyst#Uninstallation

--
jlk
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