Teemu Likonen [2019-07-07T11:07:50+03] wrote:
> After I upgrade from Debian 9 to Debian 10 the X server does not start
> at all. The same happends when my display manager (sddm) starts the X
> server or if I start it with "startx" command.
>
> The end of Xorg.0.log shows errors about "modeset" driver and "EnterVT
> failed for screen 0". The complete Xorg.0.log file is attached.
>
> ----------
> [ 1892.784] (EE) modeset(0): failed to set mode: Invalid argument
> [ 1892.784] (EE)
> Fatal server error:
> [ 1892.784] (EE) EnterVT failed for screen 0
> [ 1892.784] (EE)
> [ 1892.784] (EE)
> Please consult the The X.Org Foundation support
> at http://wiki.x.org
> for help.
> [ 1892.784] (EE) Please also check the log file at "/home/dtw/.local/share/xorg/Xorg.0.log" for additional information.
> [ 1892.784] (EE)
> [ 1892.784] (II) AIGLX: Suspending AIGLX clients for VT switch
> [ 1892.842] (EE) Server terminated with error (1). Closing log file.
> ----------
More information:
1. With Debian 10 default kernel 4.19
The X server startup just freezes. The above (EE) lines appear in
log only after I switch to different virtual console with
Ctrl+Alt+F1.
2. With Debian 9 default kernel 4.9
The X server starts and seems to be working well.
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