*** This bug is a duplicate of bug 1554613 ***
https://bugs.launchpad.net/bugs/1554613
As comment #117 suggests, disabling tlp fixes it for my Broadwell
Celeron laptop. However, another way to fix it (at least for some of us)
is to set ALPM to a higher power state, which means you can keep tlp
*** This bug is a duplicate of bug 1554613 ***
https://bugs.launchpad.net/bugs/1554613
It happens for me with kernel 4.8.0-34-generic #36~16.04.1-Ubuntu .
with xorg.conf from comment #129.
The flashs start to appear once there is the message pointed in #130, i.e.:
[drm:intel_cpu_fifo_underrun_
*** This bug is a duplicate of bug 1554613 ***
https://bugs.launchpad.net/bugs/1554613
I've a MacBook Pro, 4k Monitor from Samsung and the error / flickering
occurs with the latest nightly build:
[ 4921.690599] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR*
CPU pipe B FIFO underrun
*** This bug is a duplicate of bug 1554613 ***
https://bugs.launchpad.net/bugs/1554613
@John Smith: I have two older laptops with Intel chips, one Westmere and
one Ivy Bridge architecture. Only one solution fixed the screen flickers
on both laptop, installing the drm-intel-nightly kernel:
htt
*** This bug is a duplicate of bug 1554613 ***
https://bugs.launchpad.net/bugs/1554613
I'm having this same issue on a Dell 7537 running Ubuntu 16.10 (kernel
4.8).
The flickering that occurs is a rapid change in the brightness of the screen,
in a random, persistently manner (it never stops).
*** This bug is a duplicate of bug 1554613 ***
https://bugs.launchpad.net/bugs/1554613
Update: Now this bug is fixed for me in http://kernel.ubuntu.com
/~kernel-ppa/mainline/v4.4.9-xenial/ as well.
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*** This bug is a duplicate of bug 1554613 ***
https://bugs.launchpad.net/bugs/1554613
** This bug has been marked a duplicate of bug 1554613
screen flickering on XPS13 9350/9550
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I am affected by this bug on dell xps 13 9350 both on FHD and QHD.
Running kernel 4.6rc5 from http://kernel.ubuntu.com/~kernel-
ppa/mainline/v4.6-rc5-wily/ helps as a work-around.
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https:/
** Attachment added: "i915_opregion"
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1522922/+attachment/4649569/+files/opregion2
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I found something interesting that may or may not be valuable. From what
I can gather so far, we're dealing with two flicker issues. One affects
only Ubuntu MATE, the other affects regular Ubuntu as well. For me, I've
been able to work around the problem in Ubuntu MATE by disabling
tlp.service and
** Bug watch added: freedesktop.org Bugzilla #94479
https://bugs.freedesktop.org/show_bug.cgi?id=94479
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https://bugs.launchpad.net/bugs/1522922
Title:
Screen flickering in Intel i915
** Bug watch added: freedesktop.org Bugzilla #94593
https://bugs.freedesktop.org/show_bug.cgi?id=94593
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https://bugs.launchpad.net/bugs/1522922
Title:
Screen flickering in Intel i915
That sounds much more like the issue I'm seeing, which I raised against
Ubuntu Mate (1558736) as it seems to only affect that DE with the 16.04
Beta builds. Both Alphas were fine and other DEs with the same nightlies
were fine. However, that bug was marked as a duplicate of this one,
though I'm not
In http://www.lorenzobettini.it/2015/12/flickering-for-intel-graphic-
card-in-linux-4-2/ I described the steps to revert the two commits that
seem to have introduced the flickering. This requires downloading the
kernel sources, revert the two commits, compile the kernel and install
the locally buil
This bugs affects my m3800 on Ubuntu 15.10 with Unity desktop. Flickering seen
with linux kernel 4.2, 4.3 and 4.4.
No flickering only when I run kernel 3.19
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** Package changed: libdrm (Ubuntu) => xserver-xorg-video-intel (Ubuntu)
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Critical => High
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Finally got the dump just as the monitor started to flicker.
** Attachment added: "crash-kdump.tar.gz"
https://bugs.launchpad.net/ubuntu/+source/libdrm/+bug/1522922/+attachment/4553076/+files/crash-kdump.tar.gz
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** Changed in: libdrm (Ubuntu)
Status: Confirmed => Triaged
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https://bugs.launchpad.net/bugs/1522922
Title:
Screen flickering in Intel i915 driver
To manage notifications about
Launchpad has imported 49 comments from the remote bug at
https://bugs.freedesktop.org/show_bug.cgi?id=91393.
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** Also affects: libdrm (Ubuntu)
Importance: Undecided
Status: New
** Bug watch added: freedesktop.org Bugzilla #91393
https://bugs.freedesktop.org/show_bug.cgi?id=91393
** Also affects: nouveau via
https://bugs.freedesktop.org/show_bug.cgi?id=91393
Importance: Unknown
S
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