[Bug 91333] Connecting second of two monitors to a Lenovo W520 causes displays to go crazy - bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [Bug 91333] Connecting second of two monitors to a Lenovo W520 causes displays to go crazy
Date: Tue, 14 Jul 2015 17:00:18 +0000	[thread overview]
Message-ID: <bug-91333-8800-VVD0Q3kRLi@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-91333-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>

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https://bugs.freedesktop.org/show_bug.cgi?id=91333

--- Comment #9 from Corey Ashford <cjashfor-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org> ---
(In reply to Mark Cave-Ayland from comment #8)
> Apologies for jumping in on another bug report, however this sounds exactly
> like the problem I've been struggling with for years on my Lenovo T420s:
> 
> https://bugs.freedesktop.org/show_bug.cgi?id=56615
> 
> I see the same symptoms in that the kernel "hangs" with an external
> DisplayPort connected in discrete mode when trying to use the internal LVDS
> with the external monitor. It seems the message I get in the kernel log is
> similar too:
> 
> nouveau E[   PDISP][0000:01:00.0] chid 1 mthd 0x0080 data 0x00000000
> 0x00005080 0x0000000

Yeah, it does seem similar.  However, in my case, a single external monitor
along with the internal LVDS works fine.

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