Bug#846779: xserver-xorg-core: chrome freezes with xorg-server 1.19.0
On Sat, Dec 10, 2016 at 10:07:51PM -0500, Frédéric Brière wrote:
> - Furthermore, I can't seem to reproduce this bug under a different
> user. Maybe something to do with a different WM/compositor
> configuration?
I take that back; I've finally managed to reproduce this bug under a
different user account, even after deleting almost every dotfile.
> - Two instances of mpv running in parallel will not freeze at the same
> time (even when playing the same file).
I also kinda take that back; when mass-launching several instances in
parallel, it's frequent to see two of them freeze more or less
simultaneously. (At least, more frequent than would be statistically
normal.)
> - By accident, while toggling between 1.18 and 1.19, I once forgot to
> upgrade xserver-xorg-video-radeon. Since the radeon module was no
> longer loading, the server apparently fell back to using
> modesetting/glamoregl. Interestingly, I could no longer reproduce
> the bug under this setup.
It's apparently the EXA acceleration that triggers this bug; I can't
seem to reproduce it with Driver=radeon + AccelMethod=glamor.
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