[Bug 80182] [IVB regression] screen not resuming on kernel 3.14.6 and above

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80182

--- Comment #17 from Hans de Goede <jwrdegoede at fedoraproject.org> ---
(In reply to comment #15)
> Just FYI, I tried whith "thinkpad-acpi.brightness_enable=1
> acpi_backlight=vendor" boot options on kernel 3.14.5, and the bug triggers
> on that version, that works fine otherwise.

Hmm,

Can you do: "ls /sys/class/backlight" and copy and paste the output here both
on a working kernel and on a troublesome kernel (without any special
commandline arguments) ?

Thanks,

Hans

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