I think this has been fixed. I changed browser.sessionstore.warnOnQuit
to true, have all the other warnings set to true, and when I tried to
close this private browsing window it warned me. I also have 'restore
previous session' set (http://kb.mozillazine.org/Browser.startup.page is
3). I didn't ha
This is due to color management. I think I filed a bug report on the
Gnome bugtracker with slightly different information, but regarding
brightness jumping from 0 to ~5 out of 255:
According to http://www.lagom.nl/lcd-test/black.php, with 6-bit
dithering, usually "the darkest four shades (0, 1, 2,
Would it be possible to make 'area' mode the default if the touchpad
doesn't support multi-finger input?
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Title:
Gnome Shell: Touchpad right clic
Regarding security: it seems that ffmpeg has retained jpeg-2000 support
during this time. ffmpeg's configuration,
ffmpeg version 3.4.2-2 Copyright (c) 2000-2018 the FFmpeg developers
built with gcc 7 (Ubuntu 7.3.0-16ubuntu2)
[...]
--enable-libopenjpeg
[...]
ffplay will display a jpeg2000 image
** Tags added: bionic
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Title:
ImageMagick is missing JPEG2000 support (needs to be built with
openjpeg)
To manage notifications about this bug
** Tags added: bionic
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Title:
[MIR] openjpeg2
To manage notifications about this bug go to:
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emType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-generic 4.13.0.25.26
ProcVersionSignature: Ubuntu 4.8.0-34.36-generic 4.8.11
Uname: Linux 4.8.0-34-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
Public bug reported:
This could probably fixed through configuration, but it should work
automatically. Testing Ubuntu 18.04 beta, the touchpad has no special
regions for scrolling or anything.
By default in Xorg-based Ubuntu, top right corner of touchpad is middle-
click (mouse button 2), bottom
d causes screen tearing, as shown by
+ https://www.youtube.com/watch?v=5xkNy9gfKOg.
+
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: linux-generic 4.13.0.25.26
ProcVersionSignature: Ubuntu 4.8.0-34.36-generic 4.8.11
Uname: Linux 4.8.0-34-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.7
c x86_64
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/pcmC0D0p: misaki 1685 F...m pulseaudio
/dev/snd/controlC0: misaki 1685 F pulseaudio
CurrentDesktop: GNOME-Flashback:GNOME
Date: Sun Jan 2
Public bug reported:
Tested with 18.04 beta.
Created a small window, ffmpeg or ffplay showing a 2x2 pixel video. When
trying to move it, instead selected left border. Dragging right caused
the window to scoot away faster than the pointer was moving, vanishing
in less than a second.
** Affects: w
nux-generic 4.13.0.25.26
ProcVersionSignature: Ubuntu 4.8.0-34.36-generic 4.8.11
Uname: Linux 4.8.0-34-generic x86_64
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
AudioDevicesInUse:
- USERPID ACCESS COMMAND
- /dev/snd/pcmC0D0p: misaki 1685 F...m pulseaudio
- /dev/snd/
Confirmed to not be (just) a compiz bug because it also affects Wayland,
which doesn't use compiz. Using Bionic beta with kernel
4.15.0-15-generic.
This bug filed for Linux package, when I wasn't sure which project was
responsible:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1744543
--
Tested, and if anything the %CPU of kworker threads is even higher,
often staying around 65% in 'top'.
An easy way to get the screen to update is to run glxgears, which should
run at screen refresh rate with very low CPU usage.
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubun
itecture: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/pcmC0D0p: misaki 1685 F...m pulseaudio
/dev/snd/controlC0: misaki 1685 F pulseaudio
CurrentDesktop: GNOME-Flashback:GNOME
Date: Sun Jan 21 00:17:16 2018
HibernationDevice: RESUME=UUID=ea8d7b22-9a3e-412e-af6a-8fc260
Problem does not happen when booting from linux kernel 4.8.0-34-generic;
CPU usage is slightly higher than Metacity, no significant kworker
threads.
It does happen with updated kernel 4.13.0-25-generic (previously -21).
When I went to recovery mode for 4.13.0-25, tried to select failsafeX
graphics
The 'Show Repaint' plugin in compiz showed that most of the screen was
not getting repainted. Disabling 'Framebuffer object' under OpenGL, in
ccsm (CompizConfig Settings Manager), caused the whole screen to be
repainted but CPU usage of compiz stayed the same. If Workarounds >
'Force full screen re
This also affects the 'Unity' login option, which uses compiz.
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Title:
Compiz flashback has high-CPU kworker thread when screen updates
To manag
Public bug reported:
When the screen updates, there is one or two kworker threads with high
CPU. This is 30~40% of a CPU as shown in top, on my old system with two
CPU cores.
This did not happen in 16.10. I recently upgraded a badly out-of-date
16.10 to 17.04 and then immediately to 17.10, so I d
I'm sorry for triple-posting, but to summarize the end of my previous
comment: "Allow Flipping" in nvidia-settings > OpenGL Settings does
completely eliminate tearing for fullscreen, unredirected output for
OpenGL GLX output in vlc. It does eliminate, or affect tearing for the
XVideo output method.
When I first started testing, one way to confirm that a window was being
unredirected was that Alt-Tab would not show a window switcher (I use
Static Application Switcher). However, after I had tested different
options and video players (particularly ones in Workarounds), this
stopped being accurat
I am experiencing this bug on Ubuntu 15.10 Wily, using Nvidia drivers
and Gnome (not Unity, if that's the name of the touchscreen-based
interface).
It appears that vlc must be spelled lowercase in order to be matched,
but the default for Unredirect Match spells it Vlc. Totem works. firefox
must al
Public bug reported:
This is related to what might also be a bug, where directories aren't
displayed at the top when sorting files by name in the 'open file'
dialogue. I think it used to work this way, but changed between Ubuntu
12.04 and 14.10.
So the fastest way to open files is often by typing
Public bug reported:
Diagnosing this bug may be complicated by Bug #1443809. I am currently
using a custom thumbnailer for jpeg-2000 files, but before I did so, I
had created a number of jpeg-2000 files. While there were some cases
where they caused a crash, I think the eventual result was that th
The bug for libwebp seems to be Bug #1407644. Should one of these bugs
be marked as a duplicate and the other project added to the list of
affected projects?
I notice that ffmpeg (possibly with the right compile options) can open
.webp files, and ffmpeg uses the GNU General Public License version
The bug for eog seems to be Bug #1318327. Should one of these bugs be
marked as a duplicate and the other project added to the list of
affected projects?
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Public bug reported:
jpeg-2000 images appear in a small window, the smallest allowed by eog,
instead of at the size of the image (or some other large size if the
image is larger than the screen).
This happens for both jp2 images output from imagemagick's convert and
mogrify, and from a reference
If you rename a jp2 file to jpg, it doesn't cause nautilus to crash. It
just shows the 'generic image' icon that's also used if an image is
larger than the limit set for previewing, and eog is unable to open it.
If a jp2 file is renamed to have a non-image suffix, nautilus will be
busy (100% cpu)
After removing custom thumbnailers, copying a jp2 file using ctrl-C
ctrl-V causes nautilus to crash about one time. gnome-thumbnailer tries
to create a thumbnail, but it can take several seconds, and if nautilus
is reopened and navigated to that folder again, it will crash again.
However, after thi
Public bug reported:
Step 1: Use a custom thumbnailer which doesn't always produce output.
I'm personally using this one, since the default size (256x256) often
produces a png thumbnail which takes more space than the original jpg
image, and imagemagick's convert seems to have a bug for palette-pn
Along with the command-line version of unzip with the -O option, you can
also use the convmv command to change filenames of previously extracted
files. This works on an ext3 filesystem, but NTFS may give an error
because filenames are invalid. ext3 says the encoding is invalid but
still lets them b
The undocumented -O/-I option~
So unzip can handle different encodings, at least when I tested it. But
it doesn't handle them automatically. p7zip doesn't work because, as
noted in Bug #269482, it only handles UTF-8 and ASCII (or maybe
ISO-8859).
When I uninstalled p7zip and p7zip-full and looked
Public bug reported:
It seems like this could be related to Bug #137308, where a user
complained that previewed files were being deleted.
file-roller, also known as Archive Manager, doesn't delete files that
are previewed without extracting them to a known location first. These
previews are store
If it helps, the OpenH264 codec by Cisco provided with Firefox does even
worse; it stops after frame 1 (2nd frame) and then causes 100% CPU, I
have to restart
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'Drop late frames' makes all frames other than the first one be dropped,
because they're late, despite the video being only 1 fps and taking
almost no CPU percent to play.
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This video demonstrates the problem. The video starts at 0, as
demonstrated by looking at the frames such as with "ffprobe
-select_streams 0 -show_frames timing.mp4 |less".
But vlc starts video playback around 2, showing frame 0 at that time,
and ends at the 6th frame (frame 5), not displaying the
gnome-terminal seems to have an additional bug though, maybe related to
tabs, that makes the scroll bar not appear even when doing the steps
described in this report. It might be as simple as "after switching
tabs, the scrollbar doesn't appear until you create a new line at the
bottom of the termi
Public bug reported:
Not sure if this is a Compiz bug, but it's related to windows
management. The type of scroll bar used in gnome-terminal was also the
same as that in Firefox before I upgraded my system to Ubuntu 14.10 at
the same time I upgraded Firefox to version 34 or so (so either Firefox,
Public bug reported:
I think this changed when I upgraded from Ubuntu 12.04 to 14.10.
When searching by typing, which only searches in the current directory,
hidden files are now selected. This would maybe be fine except that
there's no feedback that a hidden file has been selected. Normally, if
** Description changed:
A very short video, such as 1 frame long, won't play in VLC. Nothing
will show up, even if the video is paused.
A 1-frame video can be useful for things like testing the performance of
different encoding settings. While it's possible that VLC (maybe
depending o
If VLC is actively trying to open a new file, it can use all available
CPUs, or at the very least two of them. After that, if it has an
anomalously high CPU usage, it will only use 100% of one CPU. However,
it seems that after a while this will stop even if no other videos are
played; and in fact,
Public bug reported:
If vlc is trying to load a file, or multiple files that don't exist, CPU
usage will increase while many error messages announcing this problem
will appear. This can lead to a freeze and crash, and pressing 'hide
future errors' might not help since CPU usage will still be high.
Public bug reported:
A very short video, such as 1 frame long, won't play in VLC. Nothing
will show up, even if the video is paused.
A 1-frame video can be useful for things like testing the performance of
different encoding settings. While it's possible that VLC (maybe
depending on vout display
Public bug reported:
I'm not entirely sure this isn't a bug with bash, instead of gnome-
terminal.
Full-width character, followed by at least one full word with a space
after it.
Example: あa a
With trailing space.
Typing before the full-width character causes the 'あ' to be pushed to
next line,
The trailing space doesn't show up as excess whitespace is removed on
launchpad, however it was necessary to replicate the bug.
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Title:
Display b
Public bug reported:
If a full-width character, such as a Chinese character, starts at the
last column of a line, it is moved to the start of the next line. The
last column is then displayed as being empty. However, if that line is
selected using the mouse and copied using shift-ctrl-C, or simply
Public bug reported:
This might be a totem issue, not a gstreamer one; the ubuntu-bug program
asked what was happening and I selected "video not playing correctly".
After I upgraded from Ubuntu 12.04 to Ubuntu 14.10, with whatever
gstreamer or totem changes were involved with that, 'advance by on
Public bug reported:
Using the 'advance by one frame' feature (default key 'e')doesn't work
for around the last second of a video. It might instead affect a certain
number of frames.
If you play a file at normal speed until just before the end, 'e' will
work one time. After that, it won't work un
I don't know if there are multiple memory leaks, but I am reporting on
this one. The Bugzilla report is not relevant to my particular version
as one comment on Bugzilla says this:
>Obviously also related to wcslen so correctly closed as NOTABUG in
Nautilus because it is not a bug in Nautilus.
wcs
I may have misfiled this, but not quite sure which project is
responsible. I also note that when adding gnome-desktop to the list of
affected projects, it said "gnome-desktop does not use Launchpad to
track bugs. Nobody will be notified about this issue."
Added a screenshot of an image not being
** Also affects: gnome-desktop
Importance: Undecided
Status: New
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Title:
Failed thumbnail check not working properly
To manage notific
Public bug reported:
This is related to the gnome-thumbnailer code which is part of Nautilus.
However, I don't know enough about programming to fix it myself.
If a failed thumbnail exists for a file, or specifically a universal
resource identifier, Nautilus will not try to create a valid thumbnai
I don't feel like commenting on the Bugzilla bug report, which states that . . .
We will remove the floating bar after releasing 3.16, so probably
this won't be need at all.
. . . but this could be fixed by increasing the vertical scrollable size
of the window when the last row is selected.
The
Public bug reported:
if displayed path is too long, window expands. Might be related to font,
if number of characters before inserting ellipsis is decided before font
is rendered.
the tools to the right of the path are pushed right, even if this pushes
them off the rendered window.
minimum is ap
Just to explain the practical relevance, the only situation I could
really think of where you would want to have multiple video streams
playing at once in VLC is when you want to play multiple angles that
were recorded of the same event at the same time.
I discovered VLC did this by accident when
Well I'm linking this unrelated thing just for the lulz
http://pastebin.com/1htuH2jX
But I have found that all the videos that appear to 'work' using the
combination of VDPAU hardware decoding and xcb_xv as the vout display
module only due so because the decoder profile is above the limits for
the
It's looking hardware-related, and I apologize for not being able to
provide more detailed information about the source of the problem
earlier. Right now at least, changing hardware-accelerated coding fixes
the problem. I have an Nvidia GeForce 9650M GT GPU, with Nvidia driver
version 331.113. The
On a particular Youtube video, using the formats listed through
"youtube-dl -F ",
Formats 266 (2160p), 264 (1440p), 160 (144p), and 18 (360p with audio)
are successfully opened by the xcb_xv vout display module.
Formats 137 (1080p), 136 (720p), 135 (480p), 134 (360p), 133 (240p), and
22 (720p wit
I wish I could say it was still working. But either it stopped working,
or I confused "X11 video output (XCB)" for "XVideo output (XCB)" because
it was late. XVideo output (XCB), or xcb_xv, is not working for me for
most h264 videos, and the things I speculated about in my last comment
did not affe
While it isn't completely clear what the correct way to display images
is, if eog is in fact currently displaying them correctly it would help
to have an option to display them 'literally'. It doesn't seem like
there is any way to do this. Exact comparisons are helpful to diagnose
problems in other
** Attachment added: "geq.jpg"
https://bugs.launchpad.net/ubuntu/+source/eog/+bug/1436595/+attachment/4366250/+files/geq.jpg
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Title:
Images t
** Attachment added: "geq-200.png.jpg"
https://bugs.launchpad.net/ubuntu/+source/eog/+bug/1436595/+attachment/4366254/+files/geq-200.png.jpg
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T
** Attachment added: "geq-200.jpg"
https://bugs.launchpad.net/ubuntu/+source/eog/+bug/1436595/+attachment/4366252/+files/geq-200.jpg
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Title:
** Attachment added: "geq-200-convert.png"
https://bugs.launchpad.net/ubuntu/+source/eog/+bug/1436595/+attachment/4366256/+files/geq-200-convert.png
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** Attachment added: "comparison.png"
https://bugs.launchpad.net/ubuntu/+source/eog/+bug/1436595/+attachment/4366255/+files/comparison.png
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Tit
** Attachment added: "geq-200.png"
https://bugs.launchpad.net/ubuntu/+source/eog/+bug/1436595/+attachment/4366251/+files/geq-200.png
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Title:
** Attachment added: "geq-128.png"
https://bugs.launchpad.net/ubuntu/+source/eog/+bug/1436595/+attachment/4366253/+files/geq-128.png
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Title:
** Attachment added: "eog-firefox diff-threshold.png"
https://bugs.launchpad.net/ubuntu/+source/eog/+bug/1436595/+attachment/4366257/+files/eog-firefox%20diff-threshold.png
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Some examples of how eog displays colours compared to imagemagick's display.
These files were generated as follows, using ffmpeg:
ffmpeg -filter_complex color=black:256x256,geq=X:240:128 -hide_banner -frames
1 geq.png
ffmpeg -filter_complex color=black:256x256,geq=X:240:128 -hide_banner -frame
It's working again. It happened after I was changing a few things in the
UI, and restarting if I wasn't sure the changes would be applied without
it (like "Always on top" required a restart). It's possible it might
have somehow been related to trying various output methods, and pressing
stop button
** Attachment added: "xcb_xv vout fails"
https://bugs.launchpad.net/ubuntu/+source/vlc/+bug/1440254/+attachment/4365499/+files/notworking_%E5%B0%8F%E5%BC%BA%20www%20%5B%E5%8B%95%E9%AD%84%E5%BD%B1%E9%9F%B3%5D%20%5BXMjgxMjEwNzUy%5D.mp4
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Public bug reported:
The most recent VLC update seems to have broken h264 video playback
using the XVideo output (XCB). This method is preferable to the default
output method, which for me is VDPAU for h264 videos, because it can
play multiple video streams at once, while VDPAU locks up in this ca
** Description changed:
I discovered this bug when testing a different package, eog:
https://bugs.launchpad.net/ubuntu/+source/eog/+bug/1436595
When a PNG image is opened in VLC with Video output set to "XVideo
output (XCB)", the colours are different than in other programs that
displ
Public bug reported:
I discovered this bug when testing a different package, eog:
https://bugs.launchpad.net/ubuntu/+source/eog/+bug/1436595
When a PNG image is opened in VLC with Video output set to "XVideo
output (XCB)", the colours are different than in other programs that
display PNG files su
Public bug reported:
Most images have their values shifted upwards when displayed in eog, and
I don't think it is intentional. Reporting this as a bug is complicated
because I am not sure if some programs, such as eog, change their
display of an image based on screen settings for colorspace or gam
Running that command gave this output:
(process:27099): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size
== 0' failed
(granted authorization)
dpkg-query: no packages found matching linux
Nothing was happening so I stopped the process. I filed this under
"linux" because I wasn't su
This might be related to timing. I'm just saying what I concluded from
looking at debug before; when I looked at it more recently, it wasn't
obvious which error messages related to audio were relevant or I didn't
look at enough of the debug output.
If a video is decoded quickly, audio won't stop p
>From http://ubuntuforums.org/showthread.php?p=11403493
The APT::Default-Release identifier is within Synaptic config file at
each home directory (for you and root). I have recreated this error by
manually editing those files.
Going to /root/.synaptic/synaptic.conf and changing the default distro
*** This bug is a duplicate of bug 978821 ***
https://bugs.launchpad.net/bugs/978821
>From http://ubuntuforums.org/showthread.php?p=11403493
The APT::Default-Release identifier is within Synaptic config file at
each home directory (for you and root). I have recreated this error by
manually ed
Public bug reported:
An unresolvable problem occurred while initializing the package
information.
Please report this bug against the 'update-manager' package and include
the following error message:
'E:Encountered a section with no Package: header, E:Problem with
MergeList /var/lib/apt/lists/us.
I am trying to install the ubuntu 11.04 release on my desktop. When I
enter the sudo update-manager, password...i think it should open and
start running the update. But for this case nope.
Please help on this am stuck... I miss my Ubuntu machine...tired of
windows.
Jay
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*** This bug is a duplicate of bug 609348 ***
https://bugs.launchpad.net/bugs/609348
** This bug has been marked a duplicate of bug 609348
Network connections crash from overflow when unresponsive
--
Application connections fail with overflow in Lucid 10.04
https://bugs.launchpad.net/bugs
Public bug reported:
OS: Lucid 10.04.1 LTS, upgraded from Karmic 9.10
If too much information is sent to an unresponsive network connection,
the connection seems to 'fail' and stops working. The unresponsive
network connection is usually the result of a proxy or NAT router
restarting.
Steps to d
Tested this on 10.04 32-bit from a Live usb. First test with 10-sec
interval stalled when restarting router, but with a 20-sec interval,
there was only one missed packet and then resumed normal operation.
Meanwhile the 1-sec interval ping completely stalled even after the
router finished restarting
Public bug reported:
OS: Lucid 10.04.1 LTS, upgraded from Karmic 9.10
If too much information is sent to an unresponsive network connection,
the connection seems to 'fail' and stops working. The unresponsive
network connection is usually the result of a proxy or NAT router
restarting.
Steps to d
Well, it looks like it's recognized in some way at least if there's so
much activity. The result I have in 'dmesg' when I plug it in for the
first time is similar to the first dozen or so lines of your output. I
assume you are using the generic kernel, not the server one? I don't
have WPA or WPA2,
The Linksys WUSB54GC v3 (ID 1737:0077) now works after installing
"linux-backports-modules-wireless-lucid-generic" and "linux-backports-
modules-headers-lucid-generic", yay! Blinking light and everything. I
have not stress tested it to see if it has the same eventual lag and
disconnect problems tha
I am too afraid of breaking my computer, but which would we install to
test? And is there a way to add it to repositories instead of
downloading the file?
I have just upgraded to Lucid and dmesg shows the same as before for the
"1737:0077 Linksys" device:
[ 863.290142] usb 2-1: new high speed US
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