[Bug 1520751] Re: Kernel 4.2 does not detect external monitor

2015-12-17 Thread David Abergel
Okay, I tested the daily build of xenial (ubuntu version) this morning.
It is using kernel 4.3.0-2, and I can confirm that this detects the
monitor without problem.

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[Bug 1520751] Re: Kernel 4.2 does not detect external monitor

2015-12-16 Thread David Abergel
You mean upgrade to the whole distribution or just the kernel? This
issue is happening on my main work laptop so I need reasonable stability
so I'm not sure I want to use a pre-alpha distro.

I think for now I am fine using the mainline 4.3 kernel which works
fine, or the 4.2.0-rc8 one which I compiled corresponding to the first
good commit. (The 4.3 one is also giving me a few bugs which I think are
unrelated). So I think I can wait for the backport.

Thanks again for your help.

David

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[Bug 1520751] Re: Kernel 4.2 does not detect external monitor

2015-12-15 Thread David Abergel
Christopher, I have finished the bisection (man, that took a long time!)
and I have attached the output.

The summary is that commit 4efa83c8c786ab7ec7982e3dd348cb7e7ecbeb04 is
the one that fixes things. This makes sense because I am attaching my
external monitor via a DP->VGA dongle, mentioned in the description.

So, what next?

Thanks again for your assistance.

David

** Attachment added: "Output from git bisect for the first bad commit."
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1520751/+attachment/4535138/+files/badcommit.txt

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[Bug 1520751] Re: Kernel 4.2 does not detect external monitor

2015-12-08 Thread David Abergel
Dear Christopher,

I updated the BIOS today. Ouput from the command you requested is:

$ sudo dmidecode -s bios-version && sudo dmidecode -s bios-release-date
[password]
A07
11/11/2015

The problem persists, so I have marked this as Confirmed, per your
request.

As I stated in the initial post, the problem is that when I connect an
external monitor, it is not detected using the standard 4.2.x.xx kernel.
When I use the mainline 4.3 kernel, the external monitor is detected and
operates as expected.

If you need any other specific information, please don't hesitate to
ask.

** Changed in: linux (Ubuntu)
   Status: Incomplete => Confirmed

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[Bug 1520751] Re: Kernel 4.2 does not detect external monitor

2015-12-02 Thread David Abergel
Dear Christopher,

Thank you for the suggestion. Unfortunately, I won't be able to do this
for at least a week because Real Lifeā„¢ is too busy. (Also, I've not
updated a BIOS before so I am cautious about the idea.)

But if I can do it some time in the next week or two I shall update the
bug.

Cheers.

David

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[Bug 1518976] Re: miniDisplay VGA adapter doesn't work after switching to 4.2 kernel

2015-11-28 Thread David Abergel
Done, see here:

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1520751

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[Bug 1517465] Re: Resolution too low on external monitor through Intel graphics, reversion in 4.x kernel

2015-11-28 Thread David Abergel
Done, please see here:

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1520751

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  Resolution too low on external monitor through Intel graphics,
  reversion in 4.x kernel

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[Bug 1520751] [NEW] Kernel 4.2 does not detect external monitor

2015-11-28 Thread David Abergel
Public bug reported:

On xubuntu 15.10.

Kernel version 4.2.0-18-generic x86_64 does not detect an external
monitor when it is connected via the minidisplay port. Using xrandr, I
can force output to the monitor, but the maximum resolution is 1024x768
(I think). Hardware is a Dell XPS 13.

Upgrading to the mainline kernel in the 4.3 version stream eliminates
the problem.

ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-18-generic 4.2.0-18.22
ProcVersionSignature: Ubuntu 4.2.0-18.22-generic 4.2.3
Uname: Linux 4.2.0-18-generic x86_64
NonfreeKernelModules: openafs
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
AudioDevicesInUse:
 USERPID ACCESS COMMAND
 /dev/snd/controlC1:  dabergel   1783 F pulseaudio
 /dev/snd/controlC0:  dabergel   1783 F pulseaudio
CurrentDesktop: XFCE
Date: Sat Nov 28 10:02:37 2015
HibernationDevice: RESUME=UUID=703c29b7-4b30-449e-8da6-1f926373c84b
InstallationDate: Installed on 2015-05-04 (207 days ago)
InstallationMedia: Xubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422.1)
MachineType: Dell Inc. XPS 13 9343
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-18-generic 
root=UUID=1658dd66-913e-4ad3-8766-e821498ff4e7 ro nosmap quiet splash 
vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-4.2.0-18-generic N/A
 linux-backports-modules-4.2.0-18-generic  N/A
 linux-firmware1.149.2
SourcePackage: linux
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: Upgraded to wily on 2015-10-31 (27 days ago)
dmi.bios.date: 03/25/2015
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A03
dmi.board.name: 0F5KF3
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias: 
dmi:bvnDellInc.:bvrA03:bd03/25/2015:svnDellInc.:pnXPS139343:pvr01:rvnDellInc.:rn0F5KF3:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: XPS 13 9343
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.

** Affects: linux (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: amd64 apport-bug wily

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[Bug 1517465] Re: Resolution too low on external monitor through Intel graphics, reversion in 4.x kernel

2015-11-26 Thread David Abergel
I was having a problem rather similar to this (although on different
hardware). I found that installing a 4.3.xx version kernel from the
mainline builds described above fixed the problem.

(Miraculously, I don't think it broke anything else either!)

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  Resolution too low on external monitor through Intel graphics,
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[Bug 1518976] Re: miniDisplay VGA adapter doesn't work after switching to 4.2 kernel

2015-11-26 Thread David Abergel
I was having a problem rather similar to this (although on different
hardware). I found that installing a 4.3.xx version kernel from the
mainline builds described above fixed the problem.

(Miraculously, I don't think it broke anything else either!)

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  miniDisplay VGA adapter doesn't work after switching to 4.2 kernel

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[Bug 1452318] Re: Faulty behavior when resuming from suspend

2015-09-23 Thread David Abergel
Wahoo!! The vivid-proposed kernel seems to fix the issues for me too.
Thanks to all who worked on this: Much appreciated.

Just out of interest, is it any clearer yet what the problem was?

Thanks again.

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  Faulty behavior when resuming from suspend

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[Bug 1452318] Re: Faulty behavior when resuming from suspend

2015-08-18 Thread David Abergel
I am not aware that anyone is working on it. I suspect that if it's a
driver issue then it would require the xorg people to fix it, not
xubuntu.

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[Bug 1452318] Re: Faulty behavior when resuming from suspend

2015-08-03 Thread David Abergel
Is there any way to revert the xorg driver to an old version that does
work?

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[Bug 1452318] Re: Faulty behavior when resuming from suspend

2015-07-05 Thread David Abergel
Interesting. I tried openbox and the bug is there with that window
manager.

Does gnome-shell use hardware acceleration? If so, then that might be
the common thread which links to my observations about google-chrome
above.

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[Bug 1452318] Re: Faulty behavior when resuming from suspend

2015-06-14 Thread David Abergel
I noticed there was an update to the intel driver earlier this week for
my xubuntu system. It fixed one other problem I'd been having (slightly
buggy playback of video in VLC) but doesn't seem to have helped the
issues in this bug.

Any of the gurus fancy taking a crack at it?

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[Bug 1452318] Re: Faulty behavior when resuming from suspend

2015-06-01 Thread David Abergel
In case it's worth anything, the following may help to diagnose the
problem.

When I resume from suspend and lose desktop icons, panel icons, and
random bits of text, I find that starting google chrome (or even just
changing tab in an already open browser) will allow the screen to redraw
when I move the mouse over the affected areas. I presume this is because
chrome is using the acceleration.

Anyway, if someone who knows about this kind of stuff could take a look
at it, I'd be very grateful.

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[Bug 1452318] Re: Faulty behavior when resuming from suspend

2015-05-19 Thread David Abergel
Moritz, did you try the UXA fix? If this makes your machine work well
then this may help to confirm that we are experiencing the same issue.

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[Bug 1452318] Re: Faulty behavior when resuming from suspend

2015-05-19 Thread David Abergel
Initial assessment of source of issue appears to be wrong. xorg intel
driver seems a much more likely place.

** Package changed: pm-utils (Ubuntu) = xserver-xorg-video-intel
(Ubuntu)

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[Bug 1452318] Re: Faulty behavior when resuming from suspend

2015-05-19 Thread David Abergel
Initial assessment of source of issue appears to be wrong. xorg intel
driver seems a much more likely place.

** Package changed: pm-utils (Ubuntu) = xserver-xorg-video-intel
(Ubuntu)

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  Faulty behavior when resuming from suspend

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[Bug 1452318] Re: Faulty behavior when resuming from suspend

2015-05-18 Thread David Abergel
I have managed to find some sort of work-around for this. It turns out the 
problem is in the xorg intel driver, not pm-utils. Switching the 2D 
accelleration mode from SNA to UXA as detailed here:
https://wiki.archlinux.org/index.php/Intel_graphics#SNA_issues
and here:
https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1432194
removes the problems with resume from suspend.

However, it does substantially impair the performance of my laptop,
especially when I run a virtual machine with Windows as the guest OS. I
have to do this quite a lot, so I guess I have to choose the lesser of
two evils.

This is not really satisfactory, so if there is anything else that
anyone can suggest, I would love the hint.

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[Bug 1452318] Re: Faulty behavior when resuming from suspend

2015-05-18 Thread David Abergel
I have managed to find some sort of work-around for this. It turns out the 
problem is in the xorg intel driver, not pm-utils. Switching the 2D 
accelleration mode from SNA to UXA as detailed here:
https://wiki.archlinux.org/index.php/Intel_graphics#SNA_issues
and here:
https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1432194
removes the problems with resume from suspend.

However, it does substantially impair the performance of my laptop,
especially when I run a virtual machine with Windows as the guest OS. I
have to do this quite a lot, so I guess I have to choose the lesser of
two evils.

This is not really satisfactory, so if there is anything else that
anyone can suggest, I would love the hint.

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[Bug 1432194] Re: Graphics unstable on Ubuntu 14.04 and 14.10 using Intel HD Graphics 5500

2015-05-18 Thread David Abergel
I am also experiencing this kind of issue. For me, the problems manifest as 
buggy display of video when VLC is in windowed mode. (Fullscreen mode is fine.) 
Also, when I suspend my laptop, the display is partially corrupted when I 
resume. See here:
https://bugs.launchpad.net/ubuntu/+source/pm-utils/+bug/1452318

The UXA tweak does work for me, but makes my laptop noticeably slower,
and unusable when I run Virtualbox (this is something I have to do quite
a lot, so it a bit of a deal-breaker). I am also using a new Dell XPS 13
and see similar log messages to Moritz Heiber in post #106 above.

Is it safe to try the test packages from post #100 in vivid?

Thanks.

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Title:
  Graphics unstable on Ubuntu 14.04 and 14.10 using Intel HD Graphics
  5500

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[Bug 1449875] Re: ghostscript fails on some EPS files

2015-05-11 Thread David Abergel
I found that it was sufficient to install only the texlive-lang-cjk
package, rather than the whole of texlive.

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[Bug 1452318] [NEW] Faulty behavior when resuming from suspend

2015-05-06 Thread David Abergel
Public bug reported:

Waking from suspend, everything seems normal, except the graphical
elements and text on my desktop are not drawn properly. Sometimes,
moving the mouse over icons can cause them to be redrawn, sometimes not.
It appears not to matter how I initiate the suspend (e.g. by closing
laptop lid, or by calling pm-suspend explicitly) and it appears not to
matter whether I am using an external display or the laptop's own
screen.

All other hardware appears to be working, and I can restart the laptop
by clicking where the icons ought to be. The only symptom seems to be
that the drawing does not happen correctly.

I'm not sure what additional information I should provide to help
diagnose the problem, so please advise me.

Also, if this is more likely to be a xfce issue, then please change the
package on the bug report.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: pm-utils 1.4.1-15
ProcVersionSignature: Ubuntu 3.19.0-16.16-generic 3.19.3
Uname: Linux 3.19.0-16-generic x86_64
NonfreeKernelModules: openafs
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
CurrentDesktop: XFCE
Date: Wed May  6 17:17:51 2015
InstallationDate: Installed on 2015-05-04 (1 days ago)
InstallationMedia: Xubuntu 15.04 Vivid Vervet - Release amd64 (20150422.1)
PackageArchitecture: all
SourcePackage: pm-utils
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: pm-utils (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: amd64 apport-bug vivid

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[Bug 1452318] [NEW] Faulty behavior when resuming from suspend

2015-05-06 Thread David Abergel
Public bug reported:

Waking from suspend, everything seems normal, except the graphical
elements and text on my desktop are not drawn properly. Sometimes,
moving the mouse over icons can cause them to be redrawn, sometimes not.
It appears not to matter how I initiate the suspend (e.g. by closing
laptop lid, or by calling pm-suspend explicitly) and it appears not to
matter whether I am using an external display or the laptop's own
screen.

All other hardware appears to be working, and I can restart the laptop
by clicking where the icons ought to be. The only symptom seems to be
that the drawing does not happen correctly.

I'm not sure what additional information I should provide to help
diagnose the problem, so please advise me.

Also, if this is more likely to be a xfce issue, then please change the
package on the bug report.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: pm-utils 1.4.1-15
ProcVersionSignature: Ubuntu 3.19.0-16.16-generic 3.19.3
Uname: Linux 3.19.0-16-generic x86_64
NonfreeKernelModules: openafs
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
CurrentDesktop: XFCE
Date: Wed May  6 17:17:51 2015
InstallationDate: Installed on 2015-05-04 (1 days ago)
InstallationMedia: Xubuntu 15.04 Vivid Vervet - Release amd64 (20150422.1)
PackageArchitecture: all
SourcePackage: pm-utils
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: pm-utils (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: amd64 apport-bug vivid

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