Bug#804110: xserver-xorg-video-nouveau: fresh install debian-8.2.0-amd64, Xfce yields black screen at login
On 2015-11-12 22:44 +0100, David Christensen wrote:
> On 11/12/2015 10:13 AM, Sven Joachim wrote:
>> Could you please start your system without X? On a standard Jessie
>> installation with systemd as init and gmd3 as display-manager, you can
>> add "systemd.unit=multi-user.target" to the kernel command line to
>> achieve that.
>
> When I power-up, 'Debian GNU/Linux' is highlighted in the GRUB menu.
> I press 'c', get a prompt, and enter:
>
> grub> systemd.unit=multi-user.target
Sorry for the misunderstanding, this is not the way to append something
to the kernel commandline. Please press 'e' rather than 'c' in the grub
menu and edit the line starting with "linux".
Instead of editing the grub menu, you can also run
"systemctl set-default multi-user.target" once the machine is up. To
back out this change, just delete /etc/systemd/system/default.target.
>> Log in at the console and see if the nouveau kernel
>> module is loaded ("lsmod | grep ^nouveau").
>
> If I let the machine boot by itself and then log in via SSH from
> another machine:
>
> root@i72720qm:~# lsmod | grep ^nouveau
> nouveau 1122419 2
>
>
> It appears that the nouveau kernel module is already loaded.
Yes, because the normal boot will start the display manager and trigger
your original problem.
Cheers,
Sven
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