Bug#884061: linux-image-4.9.0-4-amd64: screen scrolls wildly

From	Vagrant Cascadian <vagrant@debian.org>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#884061: linux-image-4.9.0-4-amd64: screen scrolls wildly
Date	2017-12-11 04:00 +0100
Message-ID	<uVmtX-7Ha-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Package: src:linux
Version: 4.9.65-3
Severity: normal

Since upgrading to 4.9.65-3, my screen occasionally starts rapidly
scrolling sideways, flashing on and off repeatedly... looks almost like
the refresh rate or sync was off, and it's displaying the leftmost part
of the screen on the rightmost or the top of the display in the middle
of the screen and other similar behaviors...

When this starts to happen, usually there is a log in the dmesg output
like this:

  [drm:gen8_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun

Closing the lid and openening it again seems to fix it for a while, or
makes it less severe (e.g. brief moments where the screen slides around
or flickers).

I'm going to try to find the last kernel version before I upgraded and
see if I the issue is also triggered on that...

live well,
  vagrant


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Bug#884061: linux-image-4.9.0-4-amd64: screen scrolls wildly Vagrant Cascadian <vagrant@debian.org> - 2017-12-11 04:00 +0100
  Bug#884061: linux-image-4.9.0-4-amd64: screen scrolls wildly Vagrant Cascadian <vagrant@debian.org> - 2017-12-11 23:50 +0100
  Bug#884061: (no subject) Nick Smallbone <nick@smallbone.se> - 2017-12-12 21:10 +0100
    Bug#884061: #884061: linux-image-4.9.0-4-amd64: screen scrolls wildly Vagrant Cascadian <vagrant@debian.org> - 2017-12-29 02:10 +0100
  Processed: Re: #884061: linux-image-4.9.0-4-amd64: screen scrolls  wildly "Debian Bug Tracking System" <owner@bugs.debian.org> - 2017-12-29 02:10 +0100
  Bug#884061: 4.9.65-3+deb9u1 breaks things on AMD/Intel hybrid systems Tarik Graba <tarik.graba@telecom-paristech.fr> - 2018-01-03 15:20 +0100
  Bug#884061: This bug severely affects anybody using intel graphics cards from 2015 Marga Manterola <marga@google.com> - 2018-01-22 19:10 +0100
    Bug#884061: This bug severely affects anybody using intel graphics cards from 2015 Vagrant Cascadian <vagrant@debian.org> - 2018-02-12 23:50 +0100

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