[Bug 87649] After archlinux system update switching on both of internal and external graphics card does not work anymore (vgaswitcheroo)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87649

--- Comment #8 from Imre Deak <imre.deak at intel.com> ---
(In reply to gofabian from comment #7)
> Created attachment 112034 [details]
> dmesg v3.19rc2

Based on the "vga_switcheroo: client x refused switch" message I assume some
user space app keep the relevant device nodes open and switching isn't possible
at that time. Did you make sure all interesting apps are stopped (desktop,
pulse audio etc.) before switching?

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