From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 93784] Hybrid graphics: GPU lockup when running glxgears
Date: Mon, 22 Feb 2016 18:23:57 +0000 [thread overview]
Message-ID: <bug-93784-502-a1a0gmhyEL@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-93784-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=93784
--- Comment #5 from bartos.petr@gmail.com ---
(In reply to Nicolas Koch from comment #4)
> Forgot to mention, of course I ran glxinfo with DRI_PRIME=1
Same problem here with ThinkPad L450
05:00.0 Display controller: Advanced Micro Devices, Inc. [AMD/ATI] Jet XT
[Radeon R5 M240] (rev ff)
I found than setting both integrated and discrete gpu to DRI3 allows to run
glxgears, however it hard-freezes once any gpu intensive application is run for
more than few minutes. Using additional vblank_mode=0 causes this hard-freeze
to appear faster. Before hard-freeze there is massive fps drop during which it
is possible to kill the application and avoid freeze.
Also using
echo "DDIS" > /sys/kernel/debug/vgaswitcheroo/switch
and restarting X causes black screen (with backlight turned of) but that might
be another bug
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next prev parent reply other threads:[~2016-02-22 18:24 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-20 2:54 [Bug 93784] Hybrid graphics: GPU lockup when running glxgears bugzilla-daemon
2016-01-20 3:00 ` bugzilla-daemon
2016-01-20 14:29 ` bugzilla-daemon
2016-01-20 15:05 ` bugzilla-daemon
2016-01-20 15:07 ` bugzilla-daemon
2016-02-22 18:23 ` bugzilla-daemon [this message]
2016-02-22 18:28 ` bugzilla-daemon
2016-05-21 2:43 ` bugzilla-daemon
2019-09-25 17:53 ` bugzilla-daemon
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