[Bug 91929] Missing RandR events on hotplug

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91929

Loïc Yhuel <loic.yhuel at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #5 from Loïc Yhuel <loic.yhuel at gmail.com> ---
The issue is fixed.

Sadly it generates many crashes in kscreen (even sometimes Qt).
Hotplug generates events, then kscreen changes the configuration which
generates other events. So any change in the DDX or kscreen can result in new
event sequences which weren't tested...

I'm a little surprised to see events like :
RRNotify event, serial 25, synthetic NO, window 0xd5,
    subtype XRRCrtcChangeNotifyEvent
    crtc 63, mode None, rotation RR_Rotate_0
    x 0, y 0, width 0, height 0
but it could be the result of :
[888172.618] (EE) intel(0): sna_mode_check: invalid state found on pipe 0,
disabling CRTC:20
[888172.903] (EE) intel(0): sna_mode_check: invalid state found on pipe 1,
disabling CRTC:24
which probably means kscreen did set an invalid configuration.

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