Bug 99546 - Screen freezes after DRM_IOCTL_MODE_PAGE_FLIP failure for client buffer
Summary: Screen freezes after DRM_IOCTL_MODE_PAGE_FLIP failure for client buffer
Status: RESOLVED DUPLICATE of bug 96841
Alias: None
Product: Wayland
Classification: Unclassified
Component: weston (show other bugs)
Version: unspecified
Hardware: All Linux (All)
: medium normal
Assignee: Wayland bug list
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Reported: 2017-01-26 09:48 UTC by Michel Dänzer
Modified: 2018-06-04 08:10 UTC (History)
0 users

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Description Michel Dänzer 2017-01-26 09:48:16 UTC 
If DRM_IOCTL_MODE_PAGE_FLIP fails for a client buffer, the screen freezes.

What should probably happen is that weston falls back to compositing instead of directly displaying the client buffer.
Comment 1 Daniel Stone 2017-01-26 09:54:47 UTC 
(In reply to Michel Dänzer from comment #0)
> If DRM_IOCTL_MODE_PAGE_FLIP fails for a client buffer, the screen freezes.
> 
> What should probably happen is that weston falls back to compositing instead
> of directly displaying the client buffer.

It's doable but infuriatingly difficult; I'd honestly rather just try to migrate people to atomic, and remove fullscreen bypass for non-atomic ...
Comment 2 Michel Dänzer 2017-01-26 10:06:43 UTC 
Works for me. :)
Comment 3 Daniel Stone 2018-06-04 08:10:12 UTC 
Marking as a duplicate of #96841, which notes the same fundamental issue and talks about how to recover from it.

*** This bug has been marked as a duplicate of bug 96841 ***

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