[Bug 110863] Blank screen after locking and vt-switch

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110863

--- Comment #27 from Yves-Alexis <corsac at debian.org> ---
(In reply to Tomas Janousek from comment #26)
> (In reply to Yves-Alexis from comment #25)
> > Thanks for the pointer. I'll test the Debian 5.3.0-1-amd64 (5.3.7-based)
> > kernel and follow up in a few days.
> 
> Possibly worth noting that you may alternatively cherry-pick
> https://gitlab.freedesktop.org/xorg/xserver/merge_requests/180 into
> xserver-xorg-core and test this without rebooting or even without quitting
> your main X. Nevermind though if "in a few days" is caused by general
> business. :-)

I just rebooted in that kernel and:

[   66.479748] broken atomic modeset userspace detected, disabling atomic

The “in a few days” was merely because I wasn't really able to trigger the
problem reliably so I prefer to test it during a few days before reporting
success or failure :)

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