linux-kernel - Critical regression in 4.7-rcX

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Message-ID: <4f3efccf-5d73-d69f-5d79-2107537a8815@lwfinger.net>
Date:	Thu, 14 Jul 2016 14:27:58 -0500
From:	Larry Finger <Larry.Finger@...inger.net>
To:	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Shubhangi Shrivastava <shubhangi.shrivastava@...el.com>
Subject: Critical regression in 4.7-rcX

To anyone keeping track of regressions in kernel 4.7, I call your attention to 
https://bugs.freedesktop.org/show_bug.cgi?id=96675.

This bug causes driver i915 to fail to connect to the display, and results in a 
blank screen as soon as the kernel is loaded. The only way to operate with 
kernel 4.7 is to add "nomodeset" to the command line. The problem was bisected 
to commit f21a21983ef13a ("drm/i915: Splitting intel_dp_detect").

This bug was reported on 2016-06-25 16:10 UTC, but seems to have received no 
attention by the Intel group. That is the reason that I am complaining here. It 
seems very likely that kernel 4.7 will be released with this bug, and a number 
of high-end Toshiba laptops will break.

Thanks,

Larry
-- 
If I was stranded on an island and the only way to get off
the island was to make a pretty UI, I’d die there.

Linus Torvalds