** Tags added: cscc
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1547619
Title:
Intermittent screen blinking with 4k external mini display port with
4.4 kernels
To manage notifications about
** Changed in: linux (Ubuntu Xenial)
Status: In Progress => Confirmed
** Changed in: linux (Ubuntu)
Status: In Progress => Confirmed
** Changed in: linux (Ubuntu Xenial)
Assignee: Joseph Salisbury (jsalisbury) => (unassigned)
** Changed in: linux (Ubuntu)
Assignee:
I built the next test kernel, up to the following commit:
a2736b07df1f17c24c8890eb7b2dac529d9725d3
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1547619
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
This kernel has the bug:
$ cat /proc/version
Linux version 4.3.0-040300rc5-generic (jsalisbury@gomeisa) (gcc version 5.2.1
20151010 (Ubuntu 5.2.1-22ubuntu2) ) #201605241152 SMP Tue May 24 16:01:12 UTC
2016
--
You received this bug notification because you are a member of Ubuntu
Bugs, which
I have booted into this kernel:
$ cat /proc/version
Linux version 4.3.0-040300rc5-generic (jsalisbury@gomeisa) (gcc version 5.2.1
20151010 (Ubuntu 5.2.1-22ubuntu2) ) #201605241152 SMP Tue May 24 16:01:12 UTC
2016
Since the bug doesn't always show itself right away, I will want to use
the
I built the next test kernel, up to the following commit:
1c431cb4615334fb81c0d1c0ede21aa4354c1187
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1547619
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
This kernel has the bug:
$ cat /proc/version
Linux version 4.3.0-040300rc5-generic (jsalisbury@gomeisa) (gcc version 5.2.1
20151010 (Ubuntu 5.2.1-22ubuntu2) ) #201605201447 SMP Fri May 20 18:50:00 UTC
2016
--
You received this bug notification because you are a member of Ubuntu
Bugs, which
I have booted into this kernel:
$ cat /proc/version
Linux version 4.3.0-040300rc5-generic (jsalisbury@gomeisa) (gcc version 5.2.1
20151010 (Ubuntu 5.2.1-22ubuntu2) ) #201605201447 SMP Fri May 20 18:50:00 UTC
2016
Since the bug doesn't always show itself right away, I will want to use
the
I built the next test kernel, up to the following commit:
816d2206f0f9953ca854e4ff1a2749a5cbd62715
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1547619
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
This kernel has the bug:
$ cat /proc/version
Linux version 4.3.0-040300-generic (jsalisbury@gomeisa) (gcc version 5.3.1
20160413 (Ubuntu 5.3.1-14ubuntu2) ) #201605181045 SMP Wed May 18 14:50:13 UTC
2016
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is
I have booted into this kernel:
$ cat /proc/version
Linux version 4.3.0-040300-generic (jsalisbury@gomeisa) (gcc version 5.3.1
20160413 (Ubuntu 5.3.1-14ubuntu2) ) #201605181045 SMP Wed May 18 14:50:13 UTC
2016
Since the bug doesn't always show itself right away, I will want to use
the kernel
I built the next test kernel, up to the following commit:
42d4ebb42a17754d2e8344dc1aa486119671d0eb
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1547619
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
This kernel does not seem to have the bug after using the system all
day:
$ cat /proc/version
Linux version 4.3.0-040300rc5-generic (jsalisbury@gomeisa) (gcc version 5.2.1
20151010 (Ubuntu 5.2.1-22ubuntu2) ) #201605111621 SMP Wed May 11 20:26:24 UTC
2016
--
You received this bug notification
I have booted into this kernel:
$ cat /proc/version
Linux version 4.3.0-040300rc5-generic (jsalisbury@gomeisa) (gcc version 5.2.1
20151010 (Ubuntu 5.2.1-22ubuntu2) ) #201605111621 SMP Wed May 11 20:26:24 UTC
2016
Since the bug doesn't always show itself right away, I will want to use
the
I built the next test kernel, up to the following commit:
c0f3f90cf454dd845dcc443afa4f0e312a8eaee0
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1547619
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
This kernel has the bug:
$ cat /proc/version
Linux version 4.4.9-040409-generic (kernel@gomeisa) (gcc version 5.3.1 20160413
(Ubuntu 5.3.1-14ubuntu2) ) #201605041832 SMP Wed May 4 22:34:16 UTC 2016
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is
I have booted into this kernel:
$ cat /proc/version
Linux version 4.4.9-040409-generic (kernel@gomeisa) (gcc version 5.3.1 20160413
(Ubuntu 5.3.1-14ubuntu2) ) #201605041832 SMP Wed May 4 22:34:16 UTC 2016
Since the bug doesn't always show itself right away, I will want to use
the kernel for at
There is a similar bug that is now reported fixed in 4.4.9. When you have a
chance, could you test that kernel? It can be downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.4.9-xenial/
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is
Apologies for the delay-- I needed our Ubuntu kernel for a number of
weeks and had to pause this bisection.
I have booted into this kernel:
$ cat /proc/version
Linux version 4.3.0-040300-generic (jsalisbury@gomeisa) (gcc version 5.3.1
20160311 (Ubuntu 5.3.1-11ubuntu1) ) #201603151533 SMP Tue
Ah, that was fast. This kernel has the bug:
$ cat /proc/version
Linux version 4.3.0-040300-generic (jsalisbury@gomeisa) (gcc version 5.3.1
20160311 (Ubuntu 5.3.1-11ubuntu1) ) #201603151533 SMP Tue Mar 15 19:37:15 UTC
2016
--
You received this bug notification because you are a member of
Unfortunately I won't be able to do that. In the meantime I have
switched away from Ubuntu and cannot test the kernel you build
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1547619
Title:
@Gronor, we were performing a kernel bisect. However, we are still
waiting on test results for the kernel in comment #29. WOuld it be
possible for you to test that kernel?
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
Hi Joseph, any news on this?
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1547619
Title:
Intermittent screen blinking with 4k external mini display port with
4.4 kernels
To manage notifications
Hi Onno. Do you have the blinking with all resolutions?
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1547619
Title:
Intermittent screen blinking with 4k external mini display port with
4.4
Having this issue as well. Blinking happens on mini displayport not on
mini HDMI (running on Intel NUC with dual monitor setup). Some
applications trigger the blinking more often than others. Blinking
occurs every few minutes when working in a terminal, but it can happen
multiple times in a row.
I built the next test kernel, up to the following commit:
b44a3d2a85c64208a57362a1728efb58a6556cd6
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1547619
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
While I can't be 100% sure cause the issue is intermittent, it seems
that this kernel does not have the bug:
$ cat /proc/version
Linux version 4.3.0-040300-generic (jsalisbury@gomeisa) (gcc version 5.3.1
20160225 (Ubuntu 5.3.1-10ubuntu2) ) #201603101009 SMP Thu Mar 10 15:13:56 UTC
2016
$
I built the next test kernel, up to the following commit:
2f4bf528eca5b2d9eef12b6d323c040254f8f67c
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1547619
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
FYI, I needed overlayfs and so had to interrupt my 4.3.0-040300-generic
(#201603101009) testing and booted into 4.4.0-12.28. 4.4.0-12.28 has the
bug.
I am back in 4.3.0-040300-generic (#201603101009) now.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is
I have booted into this kernel:
$ cat /proc/version
Linux version 4.3.0-040300-generic (jsalisbury@gomeisa) (gcc version 5.3.1
20160225 (Ubuntu 5.3.1-10ubuntu2) ) #201603101009 SMP Thu Mar 10 15:13:56 UTC
2016
Since the bug doesn't always show itself right away, I will want to use
the kernel
I built the next test kernel, up to the following commit:
e6604ecb70d4b1dbc0372c6518b51c25c4b135a1
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1547619
Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on
While I can't be 100% sure cause the issue is intermittent, it seems
that this kernel does not have the bug:
$ cat /proc/version
Linux version 4.3.0-040300-generic (jsalisbury@gomeisa) (gcc version 5.3.1
20160225 (Ubuntu 5.3.1-10ubuntu2) ) #201603030935 SMP Thu Mar 3 14:39:41 UTC
2016
$ uptime
People reported 4.5.0-040500rc6 fixes the bug for them.
You can see https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1488719
for reference
I am on 4.5.0 RC6 myself and for me it is not fixed. It is a lot better,
screen blinking is reduced a lot but it still happens from time to time.
--
I have booted into this kernel:
$ cat /proc/version
Linux version 4.3.0-040300-generic (jsalisbury@gomeisa) (gcc version 5.3.1
20160225 (Ubuntu 5.3.1-10ubuntu2) ) #201603030935 SMP Thu Mar 3 14:39:41 UTC
2016
Since the bug doesn't always show itself right away, I will want to use
the kernel
Hi, just to add some info to this really annoying bug.
I am using external monitors connected through a display port hub which in turn
connects to my laptop mini display port.
What I noticed is that this only happens when my monitors are at the 1920 x
1080 resolution. If I switch to 1280 x 1024,
I rebuilt the first test kernel and copied it to:
http://kernel.ubuntu.com/~jsalisbury/lp1547619
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1547619
Title:
Intermittent screen blinking with 4k
I saw a new kernel in xenial with intel fixes so I decided to try it.
This kernel has the bug:
$ cat /proc/version_signature
Ubuntu 4.4.0-9.24-generic 4.4.3
I'll try the bisected kernel now.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to
The kernels from http://kernel.ubuntu.com/~jsalisbury/lp1547619 are
4.4.0-040400rc1.201602231809 and have the same checksums as the kernels
I tested in
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1547619/comments/15.
--
You received this bug notification because you are a member of
I started a kernel bisect between v4.3 final and v4.4-rc1. The kernel
bisect will require testing of about 13 test kernels.
I built the first test kernel, up to the following commit:
118c216e16c5ccb028cd03a0dcd56d17a07ff8d7
The test kernel can be downloaded from:
This kernel has the bug:
$ cat /proc/version
Linux version 4.4.0-040400rc1-generic (jsalisbury@gomeisa) (gcc version 5.3.1
20160222 (Ubuntu 5.3.1-9ubuntu3) ) #201602231809 SMP Tue Feb 23 23:12:04 UTC
2016
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is
I have booted into this kernel:
$ cat /proc/version
Linux version 4.4.0-040400rc1-generic (jsalisbury@gomeisa) (gcc version 5.3.1
20160222 (Ubuntu 5.3.1-9ubuntu3) ) #201602231809 SMP Tue Feb 23 23:12:04 UTC
2016
Since the bug doesn't always show itself right away, I will want to use
the
Thanks, Jamie. If we can identify which 4.4 release candidate the
regression was introduce, we might be able to switch back to Ubuntu
kernels for the actual bisect.
Can you test the following upstream kernel to see if it has the bug:
http://kernel.ubuntu.com/~jsalisbury/lp1547619/
--
You
It is difficult for me to use a non-Ubuntu kernel since I do a lot of
work with apparmor for the distro. I suppose I could try for a little
while at a time, but my ability to test will be impeded (ie, I'll need
to run mainline only when not doing the other work).
--
You received this bug
I've been trying to get early Ubuntu 4.4 kernel to build, but not having
much luck. Are you unable to test mainline kernels on this system? It
would make the bisect much faster.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
This kernel has the bug:
$ cat /proc/version_signature
Ubuntu 4.4.0-0.3~lp1547619Commit324ae35-generic 4.4.0
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1547619
Title:
Intermittent screen
I have booted into this kernel:
$ cat /proc/version_signature
Ubuntu 4.4.0-0.3~lp1547619Commit324ae35-generic 4.4.0
Since the bug doesn't always show itself right away, I will want to use
the kernel for at least several hours. I'll report back as soon as I see
the bug or after using the computer
I built a 4.4.0-0.3 kernel which was based off of upstream 4.4-rc4.
This kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1547619/
Can you see if this kernel has the bug or not?
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is
Thanks for testing, Jamie. This would indicate the bug was introduced
somewhere in late 4.3. I'll figure out the best next kernel to test and
post it shortly.
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
This kernel has the bug:
$ cat /proc/version_signature
Ubuntu 4.4.0-0.10Commit3b7e590bf-generic 4.4.0
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1547619
Title:
Intermittent screen blinking
I have booted into this kernel:
$ cat /proc/version_signature
Ubuntu 4.4.0-0.10Commit3b7e590bf-generic 4.4.0
Since the bug doesn't always show itself right away, I will want to use
the kernel for at least several hours. I'll report back as soon as I see
the bug or after using the computer
I was unable to bisect between 4.3.0-7.18 and 4.4.0-1.15-generic because
the commits are not linear. Due to this, we should test and confirm
4.4.0-0.10 does not have the bug. It shouldn't.
Once we confirm that, I can start a bisect between 4.4.0-0.10 and
4.4.0-1.15-generic.
I built a
This kernel has the bug:
$ cat /proc/version_signature
Ubuntu 4.4.0-1.15-generic 4.4.0
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1547619
Title:
Intermittent screen blinking with 4k external
I'd like to perform a bisect to identify the commit that introduced this
regression. To narrow the bisect window, can you test the 4.4.0-1.15
kernel first? It can be downloaded from:
https://launchpad.net/ubuntu/+source/linux/4.4.0-1.15/+build/8880824
** Changed in: linux (Ubuntu)
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: New => Triaged
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1547619
Title:
** Description changed:
- When using an external 4K monitor plugging into the mini display port on my
Dell XPS 13 9343 using both the laptop screen and the external monitor
(external monitor is left and laptop screen right), when using all of the
following kernels:
+ When using an external 4K
55 matches
Mail list logo
