[Bug 100727] [skl] [drm] BUG: unable to handle kernel NULL pointer dereference at (null) [drm_kms_helper]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100727

Elizabeth <elizabethx.de.la.torre.mena at intel.com> changed:

           What    |Removed                     |Added
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             Status|REOPENED                    |NEEDINFO

--- Comment #14 from Elizabeth <elizabethx.de.la.torre.mena at intel.com> ---
(In reply to carbenium from comment #10)
> I just hit this on 4.12.4-041204-generic x86_64
> 
> Hardware: Lenovo T440p / i7-4710MQ / NVIDIA GK208
> 
> Laptop is connected to a docking station and the two Dell U2515H displays
> are chained (DP 1.2).
> The crash was triggered by switching inputs on the display connected
> directly to the docking station.
Hello Carbenium, could you try to reproduce with latest kernel versions or tip
and if reproducible attach dmesg with debug info: drm.debug=0x1e log_bug_len=2M
on grub. Thank you.

https://cgit.freedesktop.org/drm-tip
https://www.kernel.org

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