[Bug 75789] [BDW] pm_pc8: PC8 subtests fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75789

--- Comment #5 from lu hua <huax.lu at intel.com> ---
Created attachment 100073
  --> https://bugs.freedesktop.org/attachment.cgi?id=100073&action=edit
dmesg

Some subcases still fail.
# ./pm_rpm --run-subtest pc8-residency
IGT-Version: 1.6-ge4ba3b7 (x86_64) (Linux:
3.15.0-rc7_drm-intel-nightly_d13557_20140529+ x86_64)
Runtime PM support: 1
PC8 residency support: 1
Test assertion failure function pc8_residency_subtest, file pm_rpm.c:734:
Last errno: 2, No such file or directory
Failed assertion: pc8_plus_residency_changed(120)
Machine is not reaching PC8+ states, please check its configuration.
Subtest pc8-residency: FAIL

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