https://bugzilla.kernel.org/show_bug.cgi?id=65811
--- Comment #7 from Jack ---
running the kernel with radeon.runpm=0 allows me to successfully disable the
discrete card with `echo OFF > /sys/kernel/debug/vgaswitcheroo/switch`
[root at localhost linux-git]# cat /sys/kernel/debug/vgaswitcheroo/sw
https://bugzilla.kernel.org/show_bug.cgi?id=65811
--- Comment #6 from Jack ---
I'll try with runpm=0 in a moment, will also try reverting commit
bbd34fcdd1b201e996235731a7c98fd5197d9e51 as mentioned in 65761 and see if that
does anything shiny.
I noticed that in bug 65671 his system crashes, how
https://bugzilla.kernel.org/show_bug.cgi?id=65811
--- Comment #5 from Alex Deucher ---
This looks like a duplicate of bug 65761.
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https://bugzilla.kernel.org/show_bug.cgi?id=65811
--- Comment #4 from Alex Deucher ---
If you boot with radeon.runpm=0, are you still able to manually enable/disable
the radeon card with vgaswitcheroo? If not, can you bisect what broke that?
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https://bugzilla.kernel.org/show_bug.cgi?id=65811
Alex Deucher changed:
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--- Comment #3 fr
https://bugzilla.kernel.org/show_bug.cgi?id=65811
--- Comment #2 from Jack ---
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor
Graphics Controller (rev 09)
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Wimbledon XT [Radeon HD 7970M]
Linux l
https://bugzilla.kernel.org/show_bug.cgi?id=65811
--- Comment #1 from Jack ---
Only kernel option I have set is `radeon.runpm=1`, not sure if this is needed
in 3.13 or if it even matters that I have it.
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