[Bug 77511] [ILK/SNB/IVB/BYT/HSW/BDW regression]igt/drv_module_reload causes system hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=77511

Guo Jinxian <jinxianx.guo at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |ASSIGNED

--- Comment #11 from Guo Jinxian <jinxianx.guo at intel.com> ---
(In reply to Paulo Zanoni from comment #10)
> Same comment as the one I posted on bug #83484:
> 
> Please test https://bugs.freedesktop.org/attachment.cgi?id=107840 , then
> post the dmesg here.
> 
> I tested this on BDW, and module_reload works for me on this machine, with
> this patch on top of drm-intel-nightly.

The failure still able to reproduce with this patch on latest
-nightly(2ea23cd593ba60ead60e2f796fae675aa4475b1a)


root at x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
./drv_module_reload
unbinding /sys/class/vtconsole/vtcon1/: (M) frame buffer device
module successfully unloaded
libkmod: ERROR ../libkmod/libkmod.c:554 kmod_search_moddep: could not open
moddep file '/lib/modules/3.17.0_kcloud_43c5c7_20141016+/modules.dep.bin'
Killed
root at x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# echo $?
137

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