[Bug 110700] intel driver crashes with kernel 5.1.2 when booting with external monitor connected to Mini-Displayport

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110700

--- Comment #5 from Lakshmi <lakshminarayana.vudum at intel.com> ---
(In reply to Ville Syrjala from comment #3)
> May 17 07:05:20 Gauss kernel: [drm:ironlake_crtc_enable [i915]] *ERROR* mode
> set failed: pipe B stuck
> 
> The problem is the pipe didn't start for some reason. There is one
> workaround 
> we're missing, but unfortunately the docs don't have enough details to
> implement it. Another thing we're doing differently to the spec is manual
> vs. auto fdi train. So maybe something to try there.
> 
> However, since this is a new regression, and there haven't been any changes
> to the relevant code that I can see, a bisect would be most helpful. Can you
> do that?
> 
> I have similar IVB Carbon X1 here but unfortunately I wasn't able to
> reproduce this myself :(

Reporter, can you please bisect this issue to make progress with this bug?

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