[Bug 97666] Kernel "NULL pointer dereference" with MST monitor on HSW

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97666

Ville Syrjala <ville.syrjala at linux.intel.com> changed:

           What    |Removed                     |Added
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             Status|ASSIGNED                    |NEEDINFO

--- Comment #27 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
(In reply to Kirill A. Shutemov from comment #26)
> [The commit is v4.9-rc1 as 1015811609c0.]
> 
> Yes, I don't see the NULL pointer dereference anymore with the commit.
> 
> But exactly the same commit also breaks the workaround I use to wake up the
> screen (switch-to-console-and-back). I don't have anymore a mean to make
> display work again after it went to sleep. :(
> 
> May be that's a different bug, I don't know.

Can you grab some dmegs logs w/ drm.debug=0xe from that case?

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