[Bug 196777] Virtual guest using video device QXL does not reach GDM

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=196777

Justin M. Forbes (jmforbes at linuxtx.org) changed:

           What    |Removed                     |Added
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                 CC|                            |jmforbes at linuxtx.org

--- Comment #7 from Justin M. Forbes (jmforbes at linuxtx.org) ---
(In reply to Gerd Hoffmann from comment #4)
> Retested 4.13 + comment #2 patch.
> 
> plymouth (aka graphical boot) hangs the machine indeed.
> 
> when disabling rhgb gdm comes up just fine though, in both wayland and xorg
> mode.
> so apparently we have two issues here, and the patch fixes only one of them.
> 
> The plymouth hang appears to be pretty serious, the whole machine appears to
> be toast.  I can't login over network to see what is going on, so it's not
> only the display which is f*cked up.  Nothing written to the logs either. 
> When enabling the serial console to see the logs plymouth skips the splash
> screen though, so the issue doesn't trigger any more.  Hmm, I'm running out
> of ideas ...

I dropped the patch into the 4.12.12 update for Fedora kernels. The complaints
I am seeing are screen strobing with this patch, it has been backed out for
now.  The plymouth issue is also a big one.

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