[Bug 112145] System hangs on shutdown when using drm.edid kernel parameter

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=112145

Lakshmi <lakshminarayana.vudum at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|not set                     |high
      i915 platform|                            |KBL
      i915 features|                            |power/GT
         Whiteboard|                            |Triaged, ReadyForDev
           Severity|not set                     |major

--- Comment #3 from Lakshmi <lakshminarayana.vudum at intel.com> ---
(In reply to Neil Kownacki from comment #0)
> Created attachment 145831 [details]
> dmesg log drm.debug=0xe
> 
> I am experiencing an issue where my system hangs instead of properly
> shutting down when my laptop is docked.  One of my monitors has EDID issues,
> so I have to force an EDID using drm.edid.  I noticed that when I remove the
> parameter, I have no issues shutting down.  This issue occurs on the current
> drm-tip kernel (compiled as of commit
> e2561817d912857cdf7437e73a8fb41256d06edb.)  I believe this may be a
> regression as I do not remember it happening before, but I will need to do
> more digging to find a previous kernel version that works.
> 
> Thinkpad X270 i7-7500U
> UEFI version: R0IET58W (1.36)
> 
> How often: always
> 
> Steps to reproduce:
> 
> -Boot up laptop and login
> -Close lid and put it on the dock
> -Shutdown with the laptop still on the dock

Good to bisection results, bad commit that caused this issue.

-- 
You are receiving this mail because:
You are on the CC list for the bug.
You are the QA Contact for the bug.
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20191105/0fec0499/attachment.html>