On 2019-07-07 14:29 +0300, Teemu Likonen wrote:
> Upgrade to Debian 10 didn't end up well although all packages upgraded
> smoothly.
>
> The problem: X server doesn't start anymore with Debian 10's default
> kernel version 4.19. The X server starts and works nicely with kernel
> 4.9 which I have still installed from Debian 9.
>
> What happens: Even a simple X session like "startx /usr/bin/xterm" just
> freezes. After freeze if I change to different virtual console and back
> with Ctrl+Alt+Fn the X session crashes and the Xorg.0.log is appended
> with this:
>
> ----------
> [ 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.
> ----------
The crash is bug #925555[1], I don't know if the freezes you are
experiencing are also due to it. Probably you should just stick to the
4.9 kernel for now and wait for a fixed kernel in a buster point
release.
Cheers,
Sven
1. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=925555
