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Cannot login to Desktop after Stretch upgrade

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g1annos
Posts: 122
Joined: 2008-12-01 02:15

Cannot login to Desktop after Stretch upgrade

#1 Post by g1annos »

Today I upgraded my system to Debian Stretch following the official guide. During the process I saw it would remove fglrx graphics driver, but I thought everything would be alright. After restarting the system, I get

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(EE) Fatal error:
(EE) no screens found 
.....
.....
.....
xinit: giving up
xinit: unable to connect to server
xinit: server error
Any ideas? Would be nice if I could avoid installing from scratch.

I read that fglrx is no more supported at Stretch. My GPU is an Ati Radeon 5750. I've the item source driver installed.

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orythem27
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Location: P.R. China

Re: Cannot login to Desktop after Stretch upgrade

#2 Post by orythem27 »

Firstly try revert to the "old" xorg.conf before fglrx was installed. If you used `aticonfig` to create a new xorg.conf, it would have created a backup of xorg.conf as xorg.conf.original-0. If that backup file is empty then you can just delete the current xorg.conf.

Also check /etc/modprobe.d/ for configurations that blacklist the open source driver "radeon".

You might also would like to reinstall mesa-related packages.

Fglrx itself as a dead object is no longer installable atop the current kernel and Xorg.
g1annos wrote:Cannot login to Desktop after Stretch upgrade
Do you mean a login loop or no login screen at all?

g1annos
Posts: 122
Joined: 2008-12-01 02:15

Re: Cannot login to Desktop after Stretch upgrade

#3 Post by g1annos »

No login screen at all. The is not a xorg.conf file. Isn't there a generic driver that simply works? Just to work with gui rather than writing from my tablet?

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Re: Cannot login to Desktop after Stretch upgrade

#4 Post by arochester »

You might look here: https://wiki.debian.org/Xorg
Scroll down to: What if I do not have an xorg config file?

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orythem27
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Re: Cannot login to Desktop after Stretch upgrade

#5 Post by orythem27 »

g1annos wrote:The is not a xorg.conf file.
Do you have /etc/X11/xorg.conf.original-0 ?
g1annos wrote:Isn't there a generic driver that simply works?
Yes, you should be using "radeon" after dropping "fglrx". Check if it's blacklisted:

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grep -R 'radeon' /etc/modprobe.d/

g1annos
Posts: 122
Joined: 2008-12-01 02:15

Re: Cannot login to Desktop after Stretch upgrade

#6 Post by g1annos »

I solved it: The generic driver for AMD GPUs is in the package firmware-amd-graphics, which is in the contrib non-free repository.

Installing this package solves the problem. Thank you all!

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