[Bug 73291] Kernel 3.13.7 boots with hybrid Intel/ATI but to blank graphical screen

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=73291

Alex Deucher <alexdeucher at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |alexdeucher at gmail.com

--- Comment #5 from Alex Deucher <alexdeucher at gmail.com> ---
The radeon driver appears to be loading fine.  Additionally, there are no
displays connected to the radeon so it will only be used when you set it up as
an offload sink.  The warning in your kernel logs appear to be from the intel
driver:

Mar 31 15:01:10 lenovo1 kernel: ------------[ cut here ]------------
Mar 31 15:01:10 lenovo1 kernel: WARNING: CPU: 1 PID: 57 at
drivers/gpu/drm/i915/intel_opregion.c:266 swsci+0x2ec/0x300 [i915]()
Mar 31 15:01:10 lenovo1 kernel: excessive driver sleep timeout (DSPL) 1280
Mar 31 15:01:10 lenovo1 kernel: Modules linked in: i915(+) video button
intel_agp intel_gtt radeon i2c_algo_bit drm_kms_helper ttm drm i2c_core
Mar 31 15:01:10 lenovo1 kernel: CPU: 1 PID: 57 Comm: modprobe Not tainted
3.13.6-1-ARCH #1
Mar 31 15:01:10 lenovo1 kernel: Hardware name: LENOVO 20B3CTO1WW/20B3CTO1WW,
BIOS GPET54WW (1.54 ) 02/19/2014
Mar 31 15:01:10 lenovo1 kernel:  0000000000000009 ffff880221de7810
ffffffff81513274 ffff880221de7858
Mar 31 15:01:10 lenovo1 kernel:  ffff880221de7848 ffffffff81061a3d
ffffc90000c68218 ffff880221d60000
Mar 31 15:01:10 lenovo1 kernel:  00000000000001f4 0000000000000008
ffff880221de7920 ffff880221de78a8

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