[Bug 94515] xorg-server 1.18.2 freeze desktop on i915

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94515

--- Comment #19 from Leho Kraav (:macmaN :lkraav) <leho at kraav.com> ---
(In reply to Chris Wilson from comment #18)
> 
> It seems to be in response to a XVidMode requests from the client, so both
> log spam and excess X11 traffic. The debug log showed that it only the
> Xext/vidmode.c layer and wasn't causing extra work for the hardware (we were
> not continuing reprobing the hardware which is what I feared, it's both slow
> and any time we touch the hardware there be dragons). From my pov, it is
> cosmetic, but it may also be impacting system performance.

Thanks for the breakdown. Should this thing be branched off into a separate
bug? The original problem description also includes freezing and I for one
don't have that (at least yet...).

Would be useful to have a drop-in patch attached here to eliminate the
cosmetics perhaps. That'd enable further testing 1.18.2 for regressions and
wouldn't force reverting back. This message flood is really bad.

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