In case anyone finds this, this is the new filed bug:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1634449
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Title:
multi mon
file a new bug, this one is closed
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Title:
multi monitors - black flashes or black screen when the mouse cursor
leaves a monitor
Same here. Started after I updated my system to 16.10. I'm using kernel
4.8.0-25-generic
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Title:
multi monitors - black flashes or b
Unfortunately I am experiencing the same issue. Dell Latitude with a
docking station, 2 monitors connected by DP, 1 VGA, running kernel 4.8.1
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Still have the issue on 4.8.0-25-generic with Asus Z170 motherboard and
dualscreen HDMI.
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Title:
multi monitors - black flashes or b
Regular updates loaded today which also cured the flickering for me . .
. ah bliss :-)
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Title:
multi monitors - black flashes or bla
The 4.4.0-38, which got released via regular updates mitigated all the
flickering for me. It's all fine now. Thanks for the patch.
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Ti
** Tags removed: kernel-da-key
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Title:
multi monitors - black flashes or black screen when the mouse cursor
leaves a monitor
Stat
Worked for me too, all flickering gone. Thank you :)
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Title:
multi monitors - black flashes or black screen when the mouse cursor
Hi,
I did do the same thing. And it worked.
Thank you for your help.
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Title:
multi monitors - black flashes or black screen when the
Hello,
4.4.0-38 worked perfectly to me.
Steps (for those as noob as me):
- Enable "Pre-released updates" at "Software & Updates" from "System
Settings".
- Open a terminal window and execute: "sudo apt update" and then "sudo
apt install linux-generic"
Restart.
That should do the trick.
Thank
yes, if you don't install the metapackage then you need to install
linux-image-extra-4.4.0-38-generic too
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Title:
multi monitors - b
@tjaalton Thank you, I followed https://wiki.ubuntu.com/Testing/EnableProposed
to enable proposed and ran "sudo apt-get install linux-image-4.4.0-38-generic".
But after reboot I had a low screen resolution on my laptop and it did no
longer recognize my 2nd screen at all (did not turn on, xrandr d
enable proposed, install the kernel update and see if it helps?
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Title:
multi monitors - black flashes or black screen when the mous
I have this bug since I installed Ubuntu 16.04 on my Dell Optiplex 980 with
Intel Graphics. My Kernel is, I think, "4.4.0-36-generic x86_64"
Is there any more info I could gather to help with it or I just need to
wait for the fix to come?
ps.: I am not an advanced user.
Thanks.
Em qui, 15 de s
I'm facing the bug too on Lubuntu 16.04.1 on a ThinkPad Edge 11 with
Kernel 4.4.0-36-generic.
Sorry for the maybe stupid question, but will the fixed kernel version
eventually be come via "apt-get update" in the near future or only when
16.04.2 is released?
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Hi groucho, Timo,
Thank you for responding. That means I misunderstand about when patch
should be applying.
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Title:
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I can confirm this is not fixed for 4.4.0-36 with an Ironlake GPU
(tested with Intel Core i5 520M CPU).
Let's wait for the Ironlake-specific bugfix in 4.4.0-37, I'll report
back after it is released.
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grouch has an Ironlake system, this bug will be fixed for that
generation in 4.4.0-37.xx
others with skylake etc do not benefit from that version, file a new bug
or wait for 4.8/4.9
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Nikita Bozhko, given the fix for this issue didn't address your problem, it
will help immensely if you filed a new report with the Ubuntu repository kernel
(not mainline/upstream) via a terminal:
ubuntu-bug linux
Please feel free to subscribe me to it.
For more on why this is helpful, please se
Hi, the bug hasn't been fixed in kernel v4.4.0-36-generic.
If I understand it correctly, we have to wait for the next update.
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Hi all,
I updated my Xubuntu 16.04 to latest version 16.04.1 with kernel
4.4.0-36-generic. As I see the problem was fixed in this version, but
problem still for me.
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Janek Greskowiak, given the fix for this issue didn't address yours, you
would have a different problem.
It will help immensely if you filed a new report with the Ubuntu repository
kernel (not mainline/upstream) via a terminal:
ubuntu-bug linux
Please feel free to subscribe me to it.
For more o
Dear all,
a few days ago my Ubuntu 14.04. on a Dell Latitude Laptop wanted me update the
Hardware Enablement Stack. I did this, but from then on I had this bug
described in here. My kernel version is 4.4.0-36-generic and I am now at Ubuntu
14.04.5. Since I am just a simple and naive user with no
This patch came in via v4.4.18 stable. Marking fix released since this
bug won't auto-close.
** Changed in: linux (Ubuntu Xenial)
Status: In Progress => Fix Released
** Changed in: linux (Ubuntu)
Status: Triaged => Fix Released
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Your Kernel fixes the bug that I have initially reported.
Thank you very much.
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Title:
multi monitors - black flashes or black scree
Thanks for testing, I've sent the patch to the kernel-team list to be
included in the next SRU cycle.
** Changed in: linux (Ubuntu Xenial)
Status: Triaged => In Progress
** Changed in: linux (Ubuntu Xenial)
Assignee: (unassigned) => Timo Aaltonen (tjaalton)
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Just tested the proposed kernel from the Kernel PPAs and afterwards your
patched version. Can verify that your fix works!
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Title:
mu
http://koti.kapsi.fi/~tjaalton/lp1553503
install both debs
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Title:
multi monitors - black flashes or black screen when the mouse cu
Sorry, I did not notice that. I'll build a kernel so you can test it
today, which is also the deadline for new commits for next kernel SRU
cycle..
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Do you mean the reverse bisect I did in
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1553503/comments/9,
or is it something else ?
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someone would need to bisect it first
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Title:
multi monitors - black flashes or black screen when the mouse cursor
leaves a monito
We have a lab with different generation of Intel CPUs, starting at
core2duo, first i-series to third generation i-series. We have the exact
problem described here but only with the first generation i5-CPUs.
Others work fine.
I have tested 4.4.0-36.55 (afaik proposed right now), the 4.4.9 mainline
Ah, sorry if that's dragged the bug off topic.
Although, while we're talking about it, I had a dual screen not working
issue with an Nvidia card (with Nouveau or Nvidia drivers). When i
connected i experienced a near identical stack trace to the one in this
ticket.
Installing 4.8-rc1 this morning
I don't think https://bugs.freedesktop.org/show_bug.cgi?id=89055#c62 is
the same bug that I reported initially.
I don't have a BXT/SKL and the bug I have experienced has been fixed
since 4.5
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this is partially fixed in v4.8-rc1, but work is still ongoing upstream
to fix the rest
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Title:
multi monitors - black flashes or bl
It appears there my be multiple issues reported here. There is not a
single commit, but may commits to fix the issue. However, the v4.8-rc1
kernel is now available and might be worth testing.
Would it be possible for folks affected by this bug to test the latest
upstream kernel? Refer to https:
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Xenial)
Status: New => Triaged
** Changed in: linux (Ubuntu Xenial)
Importance: Undecided => High
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This also affects me on Xenial, completely breaks my dual screen setup -
i'd love a fix for
https://bugs.freedesktop.org/show_bug.cgi?id=89055#c62
** Tags added: kernel-da-key
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** This bug is no longer a duplicate of bug 1523088
WARN_ON(!wm_changed) warning and stacktrace in kernel log
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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*** This bug is a duplicate of bug 1523088 ***
https://bugs.launchpad.net/bugs/1523088
** This bug has been marked a duplicate of bug 1523088
WARN_ON(!wm_changed) warning and stacktrace in kernel log
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https://cgit.freedesktop.org/drm-
intel/commit/?id=734fa01f3a17ac80d2d53cee0b05b246c03df0e4
This seems to be at least ONE of the patches done for
https://bugs.freedesktop.org/show_bug.cgi?id=89055#c62
I have no idea if it fixes this issue (=> not tested) nor do I really
understand the commit mess
For this symptomatic there is an upstream bug report with status RESOLVED FIXED:
- Dual monitor
- Flickering or black screen when mouse moved between screens
https://bugs.freedesktop.org/show_bug.cgi?id=89055#c62
Date: 2016-05-13
Upstream target kernel version: 4.8.
Maybe this can be backported?
Sorry for the wrong status change, inadvertently set it to "Fix Committed".
I confirm this bug.
** Changed in: linux (Ubuntu)
Status: Fix Committed => Confirmed
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http
** Changed in: linux (Ubuntu)
Status: Triaged => Fix Committed
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Title:
multi monitors - black flashes or black screen when th
After more testing I can say that also the same screen on which I am
scrolling with the scroll bars can go black.
When the mouse switches between screens, I get a flickering in ~50% of
tries.
Please note that I'm using Kernel 4.4.0-28, which is newer than 4.4.0-24
which contains a fix for a simil
Confirming this, using a Dell Latitude E5510 with Intel HD Graphics (on-
chip), together with a docking station PR02X and a two-monitor-setup (2x
BenQ GW2460, 1920x1080, DVI).
The problem occurs most of the time when scrolling in a full screen
application on the left screen using the scroll bar (c
On Lenovo Thinkpad X201 with docking station with two external monitors,
one on VGA, one on displayport effect is generally that the screen being
left just flickers slightly.
I have had the screen go black with flickering pixels on the side and
thought it was when crossing over slowly but just tri
Confirming this bug with Xubuntu 16.04 on a Lenovo Thinkpad T450
Linux core 4.4.0-28-generic #47-Ubuntu SMP Fri Jun 24 10:09:13 UTC 2016 x86_64
x86_64 x86_64 GNU/Linux
Great to hear a solution coming soon, good work!
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I've cherry-picked e2e407dc093f530b771ee8bf8fe1be41e3cea8b3 on to
4.4.0-28.47 and compiled the kernel and it looks like this did solve the
issue. (Just tested for 15 minutes, but with the default kernel it
appeared within seconds already).
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Christopher M. Penalver, that's not what I did, I just installed the
binary kernel 4.6.3-040603 and things are working as expected.
But I can try to apply the patch later this week (I'm on my main work
machine).
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Christopher,
I'm hitting this bug too on my Thinkpad x250 with a dockingstation and two
external displays.
I'm happy to test, but haven't built a kernel in a long time. Any guidance on
how to apply that commit?
Is it like this:
https://wiki.ubuntu.com/Kernel/KernelBisection#Testing_a_newly_rel
Che / Fábio Tramasoli, the way to confirm this bug is to test applying
the commit noted in
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1553503/comments/9
fixes your issue. Is this what you did?
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I can confirm this bug with final relase of Ubuntu Gnome 16.04, Kernel 4.4.0-28
on a Dell Optiplex 7010.
Fixed with upstream kernel 4.6.3-040603.
Thanks folks!
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Confirming this bug on the X1 Carbon model ThinkPad too. Keep up the
good work team.
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Title:
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I'm using kernel 4.5.2 to get around this issue. Are there any update on
getting this cherry-picked?
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Title:
multi monitors - black
Linux kernel v4.5.3 fixed the issue for me
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Title:
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leaves a m
The v4.6 rc6 upstream kernel seems to fix this issue
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Title:
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** Bug watch removed: freedesktop.org Bugzilla #93892
https://bugs.freedesktop.org/show_bug.cgi?id=93892
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Title:
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** Tags removed: needs-reverse-bisect
** Tags added: cherry-pick reverse-bisect-done
** Changed in: linux (Ubuntu)
Importance: Medium => High
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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Thank you for your guidance.
Here is the result of the reverse bisect :
e2e407dc093f530b771ee8bf8fe1be41e3cea8b3 is the first bad commit
commit e2e407dc093f530b771ee8bf8fe1be41e3cea8b3
Author: Matt Roper
Date: Mon Feb 8 11:05:28 2016 -0800
drm/i915: Pretend cursor is always on for ILK-styl
groucho, the next step is to fully reverse commit bisect from kernel 4.4
to 4.5-rc7 in order to identify the last bad commit, followed
immediately by the first good one. Once this good commit has been
identified, it may be reviewed for backporting. Could you please do this
following
https://wiki.ub
I have tried the latest kernel v4.5-rc7 and the problem is gone.
** Tags added: kernel-fixed-upstream-4.5-rc7
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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groucho, in order to allow additional upstream developers to examine the issue,
at your earliest convenience, could you please test the latest upstream kernel
available from http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D ? Please
keep in mind the following:
1) The one to test is at the v
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