FS#49586 - [linux] 4.6.x flash fullscreen video stops

Attached to Project: Arch Linux
Opened by Gaelic (gaelic) - Monday, 06 June 2016, 06:03 GMT
Last edited by Doug Newgard (Scimmia) - Wednesday, 17 August 2016, 13:46 GMT
Task Type Bug Report
Category Kernel
Status Closed
Assigned To Tobias Powalowski (tpowa)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:

When upgrading from 4.5.4-1 to 4.6.1-2 fullscreen using flashplayer is not working anymore.
The video output stutters and stops completely after a few seconds (sound is still running normally)
mpv oder totem run without any problems.

My hardware:

00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 09)

using xf86-video-intel 1:2.99.917+654+ga508b11-1

It might be related to:

https://bugs.archlinux.org/task/49431?project=1&cat[0]=10&string=linux
This task depends upon

Closed by  Doug Newgard (Scimmia)
Wednesday, 17 August 2016, 13:46 GMT
Reason for closing:  Fixed
Additional comments about closing:  linux 4.7.0-1
Comment by Korkiat Petsiri (mrlamud) - Monday, 06 June 2016, 12:42 GMT
In PKGBUILD, comment out this line :

#patch -p1 -i "${srcdir}/0001-linux-4.6-drm-i915-psr.patch"
Comment by Gaelic (gaelic) - Monday, 06 June 2016, 15:38 GMT
Th problem was also present with 4.6.1-1, so I guess removing the patch will not solve the problem.
Comment by Gaelic (gaelic) - Monday, 27 June 2016, 07:32 GMT
I did some testing:

- this problem exists with the combination 4.6.x and gnome-shell
- this problem does not exist with 4.5.x and gnome-shell
- this problem does not exist with 4.6.x and kwin

I also updated to xf86-video-intel 1:2.99.917+668+gc28e62f-1 ... no change.
Comment by Gaelic (gaelic) - Wednesday, 29 June 2016, 18:24 GMT
additional information:

with kernel 4.6.3 and gnome-shell & mutter 3.20.3 nothing changed.

Another detail: when constantly moving the mouse the display of the video continues (sound always has)
Comment by Gaelic (gaelic) - Thursday, 07 July 2016, 06:31 GMT
Out of curiosity I installed linux-git (4.7.0-rc). No problems with flash or other video fullscreen. As long as nothing changes I consider this bug resolved with the next kernel version.
Comment by U (Gusar) - Thursday, 07 July 2016, 13:27 GMT
The cause of this issue is framebuffer compression, which got turned on in the 4.6 kernel. But as it clearly doesn't work right, it got disabled again in 4.7-rc5. In the 4.6 kernel it can be turned off by loading the i915 module with enable_fbc=0

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