** Description changed:
Everything's been great for a couple of months on this new machine
Yesterday or the day before it started locking up hard, spontaneously,
without high load.
X11 freezes. Keyboard is unresponsive. Sound still worked for a while once.
- I accept updates when
The last crash before I reported this was just before hard-rebooting
around time 2024-01-25 19:30
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https://bugs.launchpad.net/bugs/2051303
Title:
T14s Gen4 Intel under 23.10
Public bug reported:
Everything's been great for a couple of months on this new machine
Yesterday or the day before it started locking up hard, spontaneously, without
high load.
X11 freezes. Keyboard is unresponsive. Sound still worked for a while once.
I accept updates when they arrive.
Public bug reported:
At times it is completely debilitating; at other times it does not happen for
hours.
The physical connections are clean and solid.
There are other related behaviours reported in the past, but I am running
Ubuntu 20.10.
I guess the attachments will show that I'm using
I followed your instructions for prevboot.rxt, though I removed from it
a bunch of lines like (no idea what those are)
May 09 06:30:36 T450s-low tracker-miner-f[2128]: Could not enumerate
container / directory 'file:///home/meuser/Music/somemusicfolder, Error
opening directory
Public bug reported:
I have two Lenovo T450s laptops running Ubuntu 20.10.
A few weeks ago, suspend stopped working properly: with an external monitor,
the external monitor no longer registers the connection when waking from
suspend.
Without, the laptop screen is black and the machine
This problem seems to have been fixed in 17.10 under X11.
** Summary changed:
- Sections of screen flashing, window shadows flashing, corruption
+ Sections of screen flashing, window shadows flashing, corruption, with
extended desktop
** Description changed:
+ Whenever I use an extended
Public bug reported:
Video and stills attached
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: xorg 1:7.7+16ubuntu3
ProcVersionSignature: Ubuntu 4.10.0-35.39-generic 4.10.17
Uname: Linux 4.10.0-35-generic x86_64
.tmp.unity_support_test.0:
ApportVersion: 2.20.4-0ubuntu4.5
Architecture:
** Attachment added: "still image of corruption"
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1722108/+attachment/4965306/+files/corruptX.png
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** Attachment added: "video to show idle flashing etc"
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1722108/+attachment/4965324/+files/out.ogv
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** Summary changed:
- Resolution options for external monitor are incomplete
+ Resolution options for external display/monitor are incomplete
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*** This bug is a duplicate of bug 1351772 ***
https://bugs.launchpad.net/bugs/1351772
** Summary changed:
- syndaemon "-t" option fails, in turn making touchpad disable while typing
not work
+ syndaemon "-t" option fails, in turn making touchpad disable-while-typing
not work
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Public bug reported:
Usually when I plug in an external monitor (when awake, or before waking
from suspend), my external display is rendered with 1024x768 resolution,
and this is the highest resolution displayed by xrandr:
DP-2 connected 1024x768+1920+0 (normal left inverted right x axis y axis)
This may be the same as
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1634449
It can reliably be triggered by just crossing the cursor back and forth between
screens, but it does not only occur then; often it is a keypress in window
(terminal, etc) which triggers it, even when the cursor
(sorry.. continued:) For instance, it happens quite often exactly as a
close a terminal with Ctrl-D in the external monitor!
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https://bugs.launchpad.net/bugs/1658497
Title:
This sounds crazy, but this seems to happen much more frequently when I
have, or am interacting with, a terminal or emacs in the second/external
screen. The resolution of the display is huge, so these windows tend to
be a small fraction of the display.
Also, I think it's actually only the
Public bug reported:
I just upgraded to 16.10 from 16.04. Now my screens all go black for ~1
s periodically (once per minute or so) under extended desktop, using a
Lenovo T450s.
Keyboard still seems to be active during the blackouts.
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: xorg
Lack of palm detection still a serious problem on Lenovo T450s under
16.04.
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https://bugs.launchpad.net/bugs/1465479
Title:
Palm detection does not work
*** This bug is a duplicate of bug 1351772 ***
https://bugs.launchpad.net/bugs/1351772
** This bug has been marked a duplicate of bug 1351772
"disable touchpad while typing" doesn't work
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Public bug reported:
I'm on Lenovo T450s, but there are reports of others having the same
problem that touchpad disabling, which is no longer an explicit option,
is not working. This leads to data loss and frustration when
typing/editing, etc.
With default settings, I find that syndaemon has
*** This bug is a duplicate of bug 1351772 ***
https://bugs.launchpad.net/bugs/1351772
Can this really be the same problem as this 2-year-old one?!:
https://bugs.launchpad.net/ubuntu/+source/unity-settings-
daemon/+bug/1351772
Since then / on my machine, the "disable while typing" option has
** Summary changed:
- Mouse pointer jumps around when I am typing
+ palm detection absent: Mouse pointer jumps around when I am typing
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https://bugs.launchpad.net/bugs/1581491
Public bug reported:
On a Lenovo T450s, the mousepad is not disabled when typing. There is no
option I can see to disable it while typing in the "Mouse & Touchpad"
settings, either.
Instead it should behave like other machines, in which the mousepad
ignores being brushed by palms or thumbs while
*** This bug is a duplicate of bug 1376760 ***
https://bugs.launchpad.net/bugs/1376760
Let me reiterate, since this has just been marked as a duplicate: I experience
this when the screen has NOT just been rotated or un-rotated.
(However, I've not looked at the patch to understand whether it
This bug definitely occurs when I have not just rotated or un-rotated a
screen. That is, the cursor can be fine, and then it suddenly changes to
two cursors when some new window pops up or something (not sure what).
However, I am using an external monitor which is rotated, at the time.
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Thanks!
I do use external screen rotation when I'm docked.
I hadn't noticed a simple association, but that might be at least one trigger
for the problem.
Also, trying these steps from the other bug:
xrandr --output LVDS1 --rotate left
# do something, click a few buttons...
xrandr --output
** Attachment added: twoCursors.jpeg
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/137/+attachment/4254072/+files/twoCursors.jpeg
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This is happening a lot of the time. Since screen captures don't
capture it, I took a photo. This is what my cursor looks like!
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https://bugs.launchpad.net/bugs/137
Title:
Public bug reported:
Since upgrading from 14.04 to 14.10, I sometimes (not sure what triggers
or fixes it) have a double cursor. It persists across applications and
the desktop. When I do a screen capture, the cursor is not visible.
There is one cursor in the right place, and then below and to
Public bug reported:
After an update in the last week (and I have updated frequently, so it's
new), my laptop is *sometimes* coming out of sleep from closing the lid
with a fully-dimmed screen when it is waiting for me to reauthenticate
to unlock the system.
The brightness control keys, which
Public bug reported:
After a regular update of my LTS during the last week, the screen has
started showing corruption. For instance, when I maximise a window, the
screen flickers for up to a second with an overlay of black dashes and
stripes, sometimes in a chevron pattern or just horizontal
I had another (long) episode of this bug, and there were no files matching
/sys/class/drm/card0*/error
Also, this was on a laptop without any external display whatsoever.
However, it is true that the internal display, which comes up black with only a
useless mouse cursor, was rotated for some
I tried your steps and they were not sufficient to cause the problem on
my machine.
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https://bugs.launchpad.net/bugs/1266784
Title:
GPU hangs during login to
Whoo. By what means, if not xrandr? I'm certainly changing screen rotation
sometimes, though not by choice. One of the many things that's buggy or
become buggy on this wretched machine (ie combo of hardware and software)
is that when I undock my laptop from its dockingstation (and possibly in
Oh, well, that's true that it has happened when I'm docked to an
external display, but it has also happened when I'm not connected to
anything.
The title of this bug has apparently been changed to relate only to the
rotated display. From my pov, that's premature.
Chris Wilson, there's no
Public bug reported:
This is occuring when I change users, and when I log in from the login GUI, but
not 100% of the time (!).
It just started yesterday.
Boot brings up the graphical login screen normally. I log in with the
primary/only user, and the screen goes very dark and I get just a
Well, it doesn't happen to me under 13.04 or 13.10. Don't remembrer whether it
was resolved on 12.10.
To the other user with this problem -- do you still have it, or can we close it
as fixed?
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@jpeddicord: I do not see a copy of the workaround for this in your
original report. I also cannot find it in the link you give to another
bug. That workaround seems to address the cursor movement problem, but
not the two-finger scrolling problem. Would you be able to report what,
exactly, you
So this problem seems consistent on 12.10, 13.04 and also 13.10.
What can we do to fix it or characterize it better?
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https://bugs.launchpad.net/bugs/853
I also have this problem on 13.04.
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Title:
Login often fails
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This problem exists in 13.04 too.
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https://bugs.launchpad.net/bugs/1042069
Title:
Jumpy Mouse Cursor using Thinkpad X230 (+X230t) Touchpad
To manage
This problem exists in 13.04 too.
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Title:
Smooth (per-pixel) scrolling unavailable on X230 touchpad
To manage
Your command fixed the problem.!
It turned on the LVDS1 but not in a good configuration. The monitor
settings gui then allowed me to adjust things, without forcing the LVDS1
back off.
Thank you!
What next?
c
On Thu, Oct 10, 2013 at 3:47 AM, Chris Wilson ch...@chris-wilson.co.ukwrote:
Hmm, it
I spoke too soon. It happened again with an external projector, and
this time using your command brings both displays back, in an
overlapping configuration, but if I then try to adjust anything with the
monitors tool, it turns off my laptop display.
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Public bug reported:
Even after reboot, the display manager does not allow me to include my
laptop's own display in the desktop.
After upgrading and updating (13.10), I was using my external monitor
and everything was great but after just plugging into a projector, the
internal display went off
Public bug reported:
On an Asus EeePC under 13.10, the regression beginning in 13.04 remains.
The externa monitor and its resolution options seem to be recognized,
but actually choosing a configuration with extended desktop gives screen
corruption, or other problems.
The mirrored display seems
It arrived in raring updates and works on my system. Thank you.
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https://bugs.launchpad.net/bugs/1157678
Title:
[ffe] unplugging an external monitor from
Yes, I still see it on the latest main-stream updates for 13.04. I haven't
tried a special PPA.
Thanks,
c
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Title:
With external monitor plugged in, if I use the monitors control to turn
off the external (rather than unplugging it), I get the same bug.
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Tom Haddon: This does not work for me. I lock screen (ctrl-alt-l), unplug
monitor. Then screen corruption is visible. I put in password, and get back to
corrupted desktop on one screen.
Plugging in the external monitor then eliminates the corruption.
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My symptoms are: I lose my window manager.
I cannot get this to happen at will, but I think this last time Chromium
was unresponsive, while other windows/applications (while undecorated)
were still responsive.
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The latest (or very recent) update seems to have fixed this!
I now have reasonable use of external monitors (hooray) and can use
sleep again on this device.
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[What other bug? I have two different pieces of hardware, and have
experienced and reported very different screen corruptions for the two
under 13.04].
This one is about a netbook Eee PC:
I'm attaching a photograph. In the recent versions, that rectangular
blog moves around with mousing, but it
Public bug reported:
I'm attaching a video to show the performance under 13.04 on my netbook.
It's practically unusable under these (essentially default) unity
settings. It was fine (in that regard) under 12.04.
ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: xorg 1:7.7+1ubuntu4
Plugging the monitor back in now returns the screen to normal.
I'm attaching video of the corruption.
** Attachment added: video of screen corruption from unplugging external
monitor on T410s
Public bug reported:
With updated 13.04 beta, unplugging an external monitor from laptop results in
corrupted screen. Logging out fixes it.
A screen capture looks normal (not like what the display is showing!).
Plugging an external monitor in does not produce any similar problem.
ProblemType:
Public bug reported:
Resolution and behaviour looks okay on my Eee PC, until I close the lid.
On awakening from sleep, the screen is entirely unusable. Restarting X
results gives back a desktop, windows, etc, but it's all at the wrong
resolution, and not a matter of changing settings. Reboot
** Summary changed:
- boot stops on Asus Eee x101CH with lubuntu 12.10
+ boot stops on Asus Eee x101CH with (l)ubuntu 12.10
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https://bugs.launchpad.net/bugs/1044068
Title:
boot
Public bug reported:
In alpine, gnome-terminal, etc, seemingly random sections of screen text
go dark either until the screen is refreshed somehow, or just for a
second before returning. It happens frequently.
ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: xorg 1:7.7+1ubuntu4
Public bug reported:
Gnome 3 environment.
open a terminal.
launch some pdf.: evince test.pdf
Now move evince window it to another space (ctrl-alt-rightarrow)
now have a look at which windows the manager thinks are on this workspace:
alt-tab. There should be just your terminal.
now relaunch the
** Description changed:
Gnome 3 environment.
- Pick a pdf file, for instance.
open a terminal.
- launch pdf.: evince test.pdf
- Now move evine window it to another space (ctrl-alt-rightarrow)
+ launch some pdf.: evince test.pdf
+ Now move evince window it to another space
** Description changed:
Gnome 3 environment.
open a terminal.
launch some pdf.: evince test.pdf
Now move evince window it to another space (ctrl-alt-rightarrow)
now have a look at which windows the manager thinks are on this workspace:
alt-tab. There should be just your terminal.
now
Public bug reported:
For instance, when I launch chromium-browser from an ssh -X connection,
I get:
[4221:4221:6108524897:ERROR:browser_main.cc(1022)] Gtk: Unable to locate theme e
ngine in module_path: pixmap,
[4221:4221:6108525681:ERROR:browser_main.cc(1022)] Gtk: Unable to locate theme e
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https://bugs.launchpad.net/bugs/870855
Title:
series of (warnings and) errors when using remote display
To manage notifications about this bug go to:
I tried the second alpha of 11.10 as a live boot (ie running from usb
drive) on this same hardware and it appeared to figure out the external
monitor just fine.
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Public bug reported:
After a recent upgrade to latest (backports of) 11.04 on a Lenovo T410s, my
external monitor is completely unusable. If I boot with it plugged in, I get
multicolor flashing screen / unusable. If I plug it in after logging, the
screen goes black and useless. If I unplug
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https://bugs.launchpad.net/bugs/810813
Title:
Xorg freeze
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** Summary changed:
- Xorg freeze
+ Lenovo laptop freezes on connection of external monitor
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Title:
Lenovo laptop freezes on connection of
Actually, it's worse. It's back to completely unusable external monitor. If I
boot with it plugged in, I get multicolor flashing screen / unusable. If I plug
it in after logging, the screen goes black and useless. If I unplug it to
recover, I get a black responseless screen with an arrow
What a random excitement roller coaster is 11.04. After an update a
week or two ago, window maximisation began to work much better.
Sometimes it would still fail, but mostly, Alt-F10, for instance, would
maximise a window in whatever screen it started. And to some extent I
could drag a window
Public bug reported:
Binary package hint: xorg
using an extended desktop with one, larger display above the other, maximising
a window (alt-f10) in the lower display sends it to the max state in the upper
window.
Now, dragging the maximised window to the lower display results in various
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Title:
window maximisation fails in multiple ways in extended desktop
To manage notifications about this bug go to:
I don't think these are the same.
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https://bugs.launchpad.net/bugs/777447
Title:
After upgrade to 11.04, even Gnome with on effects has new display
Public bug reported:
Binary package hint: xorg
Sometimes when I close a window or move from one desktop to another
using extended desktop without compiz (because both Unity and Compiz are
completely broken immediately afte the upgrade when I have an external
monitor plugged in: separate bugs),
** Attachment added: corrupted display
https://bugs.launchpad.net/bugs/777447/+attachment/2113154/+files/1104problems.png
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Title:
After
The bug title should have been with no effects, not with on effects.
I'm attaching another graphic. Again, it shows the entire workspace that
spans two monitors, top and bottom. Upon pressing a key to scroll when
focus was in the bottom window (ie unrelated to top
screen/window/application, a
Public bug reported:
Binary package hint: xterm
Since upgrade to Maverick, typing in my xterm looks like the attached
image: every character is overwritten by a vertical line. Unusable.
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: xterm 261-1ubuntu3
ProcVersionSignature: Ubuntu
** Attachment added: bugInXterm.png
https://bugs.launchpad.net/bugs/660245/+attachment/1691746/+files/bugInXterm.png
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font problem in xterm: every character comes with a vertical line
https://bugs.launchpad.net/bugs/660245
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** Tags added: lucid
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[i945gm] Display mirrored-ish after resume
https://bugs.launchpad.net/bugs/404509
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Mailing list:
Whoops! Sorry, I should have stuck to the numbers. Yes, I meant that I
am running the latest update of 10.04.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete = Confirmed
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[i945gm] Display mirrored-ish after resume
https://bugs.launchpad.net/bugs/404509
You received
*** This bug is a duplicate of bug 404509 ***
https://bugs.launchpad.net/bugs/404509
Whoops! The title of this bug is wrong. I was running the latest 10.04
update, not karmic. I just got the name wrong.
--
xrandr state with two displays fails to resume when waking from suspend
*** This bug is a duplicate of bug 404509 ***
https://bugs.launchpad.net/bugs/404509
** This bug has been marked a duplicate of bug 404509
[i945gm] Display mirrored-ish after resume
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xrandr state with two displays fails to resume when waking from suspend
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Fix Released = Confirmed
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[i945gm] Display mirrored-ish after resume
https://bugs.launchpad.net/bugs/404509
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*** This bug is a duplicate of bug 404509 ***
https://bugs.launchpad.net/bugs/404509
Yes, the graphics circuit is a GMA950. I am tentatively marking this as
a duplicate of 404509, but that means reopening that bug.
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xrandr state with two displays fails to resume when waking from suspend
I am tentatively marking https://bugs.launchpad.net/bugs/567876 as a
duplicate of this one.
I am using the latest karmic on a netbook (hp mini 1116NR) with Intel
GMA950 graphics, and the display settings are also messed up after
resume: they are in a low-resolution mirrored state. AS described
Public bug reported:
On latest karmic, I use an external monitor in an extended desktop cnfiguration.
This used to work nicely and resume the confguration when waking from suspend.
But recently (ie after updates), the two monitors (laptop LCD and external
monitor) appear in a strange mirrored
** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/44958010/Dependencies.txt
** Attachment added: XsessionErrors.txt
http://launchpadlibrarian.net/44958011/XsessionErrors.txt
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xrandr state with two displays fails to resume when waking from suspend
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