[Bug 92599] [BAT SNB BDW SKL] drv_module_reload_basic is failing

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92599

--- Comment #4 from cprigent <christophe.prigent at intel.com> ---
Created attachment 120114
  --> https://bugs.freedesktop.org/attachment.cgi?id=120114&action=edit
drv-module-reload-basic_skl-y_kern.log

Tested again on SKL-Y with last setup.

It looks like the test is Pass. There is no "success" printed.
# ./drv_module_reload_basic
unbinding /sys/class/vtconsole/vtcon1/: (M) frame buffer device
module successfully unloaded
module successfully loaded again

There are several errors in kernel log:
Nov 25 15:52:59 SKLY4 kernel: [   70.721619]
[drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe B FIFO
underrun
Nov 25 15:53:01 SKLY4 kernel: [   72.046113]
[drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* too many full
retries, give up
Nov 25 15:53:01 SKLY4 kernel: [   72.061783]
[drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* too many full
retries, give Nov 25 15:53:01 SKLY4 kernel: [   72.077462]
[drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* too many full
retries, give up
up
Nov 25 15:53:01 SKLY4 kernel: [   72.093128]
[drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* too many full
retries, give up
Nov 25 15:53:01 SKLY4 kernel: [   72.108405]
[drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* too many full
retries, give up
Nov 25 15:53:01 SKLY4 kernel: [   72.137256]
[drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* too many full
retries, give up
Nov 25 15:53:01 SKLY4 kernel: [   72.137478] [drm:intel_dp_start_link_train
[i915]] *ERROR* failed to train DP, aborting
Nov 25 15:53:01 SKLY4 kernel: [   72.238813] [drm:intel_atomic_commit [i915]]
*ERROR* mismatch in has_infoframe (expected 1, found 0)
Nov 25 15:53:01 SKLY4 kernel: [   72.415019] snd_hda_intel 0000:00:1f.3:
spurious response 0x80000000:0x2, last cmd=0x000000
Nov 25 15:53:06 SKLY4 kernel: [   77.453504] hdaudio hdaudioC0D2: no AFG or MFG
node found
Nov 25 15:53:06 SKLY4 kernel: [   77.453633] snd_hda_intel 0000:00:1f.3: no
codecs initialized

Hardware
Platform: SKY LAKE Y A0 QUAL
CPU : Intel(R) Core(TM) M5-6Y54 @ 1.10GHz 4MB (family: 6, model: 78  stepping:
3)
MCP : SKL-Y  D1  
QDF : QJ9W
CPU : SKL D0
Chipset PCH: Sunrise Point LP C1       
CRB : SKY LAKE Y LPDDR3 RVP3 CRB FAB2
Reworks : All Mandatories + FBS02 & FBS03, O-06
Software 
Linux : Ubuntu 14.04 64 bits
BIOS : SKLSE2R1.R00.B104.B01.1511110114
ME FW : 11.0.0.1191
Ksc (EC FW): 1.20
Kernel 4.4.0-rc2 nighlty 9e096bc from git://anongit.freedesktop.org/drm-intel
  commit 9e096bc5a20d1d8122740136ab6c584afd4cb913
  Author: Imre Deak <imre.deak at intel.com>
  Date:   Mon Nov 23 17:11:06 2015 +0200
  drm-intel-nightly: 2015y-11m-23d-15h-10m-47s UTC integration manifest
Mesa 11.0.5 from http://cgit.freedesktop.org/mesa/mesa/
xf86-video-intel - 2.99.917 from
http://cgit.freedesktop.org/xorg/driver/xf86-video-intel/
Libdrm - 2.4.65 from http://cgit.freedesktop.org/mesa/drm/
Libva - 1.6.1 from http://cgit.freedesktop.org/libva/
vaapi intel-driver - 1.6.1 from http://cgit.freedesktop.org/vaapi/intel-driver
Cairo - 1.14.2 from http://cgit.freedesktop.org/cairo
Xorg Xserver - 1.17.2 from http://cgit.freedesktop.org/xorg/xserver
IGT 1.12-gd84e624

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