From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 99881] Lockup/Freezes on Laptop with switchable graphics
Date: Wed, 22 Feb 2017 09:25:15 +0000 [thread overview]
Message-ID: <bug-99881-502-x5ehXpmI2x@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-99881-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=99881
--- Comment #22 from Michel Dänzer <michel@daenzer.net> ---
I suspect what happens is that some client occasionally asks the X server to
probe the connected displays, similar to xrandr. This powers up the dGPU, in
order to probe its display connectors. That takes some time, during which the X
server freezes.
Assuming you don't need the dGPU display outputs, adding the below to
/etc/X11/xorg.conf may serve as a workaround. You can still use the dGPU for
applications by setting the environment variable DRI_PRIME=1.
Section "ServerFlags"
Option "AutoAddGPU" "off"
EndSection
Section "Device"
Identifier "Device0"
Option "AccelMethod" "glamor"
Option "DRI" "3"
EndSection
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next prev parent reply other threads:[~2017-02-22 9:25 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-21 0:06 [Bug 99881] Lockup/Freezes on Laptop with switchable graphics bugzilla-daemon
2017-02-21 0:10 ` bugzilla-daemon
2017-02-21 1:18 ` bugzilla-daemon
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2017-02-22 9:25 ` bugzilla-daemon [this message]
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