[Intel-gfx] 945gm: xrandr crashes X

[Alexander Lam]

On Tue, May 25, 2010 at 5:18 AM, Vasily Khoruzhick <anarsoul at gmail.com> wrote:
>
> I've updated my xf86-video-intel and libdrm and this issue gone, but now I hit
> another bug - one with VSYNC on 945GM :( Is there any way to disable vsync
> wait? (It's disabled in driconf, but for some reason it remains enabled in
> apps)
>
> Regards
> Vasily
>
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Regurgitating something I read on irc:

to disable vsync wait, set env var vblank_mode=0 (or is it 3?)

you need git mesa in order for that to work:
This commit
http://cgit.freedesktop.org/mesa/mesa/commit/?id=45e2b51c853471b79004a954ce3092a253b20b77
enables using that env var.

--
Alexander Lam