[Bug 49531] Powering down inactive GPU while running X causes NULL pointer dereference

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=49531





--- Comment #4 from Igor Murzov <e-mail at date.by>  2012-10-25 19:58:36 ---
I use xorg-server-1.12.3 and i'm not switching GPUs while X is running. I've
tried to power down unused GPU and then kernel crashed. Switching GPUs while X
is running doesn't work:

[ 6514.980755] vga_switcheroo: client 0 refused switch

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