Public bug reported:
Binary package hint: python-sympy
There was a missing 6 after the decimal digit.
-planck = Rational('6.2606896') * ten**-34 * J*s
+planck = Rational('6.62606896') * ten**-34 * J*s
Discussion+Patch:
http://groups.google.com/group/sympy-patches/browse_thread/thread/5fcbca573
Public bug reported:
Binary package hint: gcc-4.3
While developing a simple C program I get crash report popups when gcc
reports an error in the source code. This is very annoying.
ProblemType: Crash
Architecture: i386
DistroRelease: Ubuntu 8.10
ExecutablePath: /usr/lib/gcc/i486-linux-gnu/4.3.2/
** Attachment added: "Dependencies.txt"
http://launchpadlibrarian.net/18316759/Dependencies.txt
** Attachment added: "PreprocessedSource.txt"
http://launchpadlibrarian.net/18316760/PreprocessedSource.txt
--
annoying crash report popups while trying to compile code with gcc
https://bugs.la
Public bug reported:
Binary package hint: python-qt4
When installing KDE4.1 by adding the repository http://ppa.launchpad.net
/kubuntu-members-kde4/ubuntu, a new version of python-qt4 is installed.
This version breaks python-qwt5-qt4 from the official hardy repository.
For example, a "pen()" met
I think this bug is related to my experience that nautilus sometimes
ignores copy/paste shortcuts. I couldn't really reproduce this bug until
I found this:
http://ubuntuforums.org/showthread.php?t=1219031
"After (a) opening a new nautilus window, or (b) navigating to a new
directory in an existin
My bug seems to be related to #90258. Since Marius Gedminas reported a
residual evolution-data-server running after a terminated X session, it
could be possible that this is the very same problem as stated in
#90258.
--
Bonobo-activation-server sometimes is not killed after session restart, leadi
I disagree, this bug renders Ubuntu/Gnome useless in situations when
working with other workstations in a domain.
Having a central file server for user and group data is very common,
like pam-mounting a users home when logging in or just using a common
cifs share for a group of workers.
From: htt
this is what happens when saving a file in gedit
[-1179854107.516901 (0.000281)] gedit-document-saver.c:1444
(gedit_document_saver_save)
[-1179854107.516884 (0.17)] gedit-prefs-manager.c:528
(gedit_prefs_manager_get_backup_extension)
[-1179854107.516873 (0.11)] gedit-prefs-manager.c:232
in line 670, gedit tries to rename the file to a backup file... like
moving "testfile" to "testfile~"
if (rename (saver->priv->local_path, backup_filename) != 0)
I checked "local_path" and "backup_filename", they are correct. I also
wrote a small test application using "rename()" from stdio.h an
Ok, this is the problem:
Gedit opens a file, moves the original file to a backup file while keeping the
file open, and finally deletes the backup file if you choose not to keep
backups.
The rename method sets errno = ETXTBSY, so moving the original file fails.
I don't think moving/deleting ope
right as netllama from nvidia said
http://www.nvnews.net/vbulletin/showpost.php?p=1370452&postcount=15
this bug will be fixed in the next driver release, which is compatible to
Xorg7.3 / xserver1.4
--
[nvidia-glx] 3D GL apps crash X when using compiz due to unmaked ABI change
(gutsy)
https://bu
For me, a switch to compiz-fusion caused the problem you described. My
system is up-to-date, running with nvidia-glx-new drivers and is using a
compiz-fusion repository being updated daily.
I just switched from nvidia-glx to nvidia-glx-new on another machine
also having compiz-fusion installed. In
For me, a switch to compiz-fusion caused the problem you described. My
system is up-to-date, running with nvidia-glx-new drivers and is using a
compiz-fusion repository being updated daily.
I just switched from nvidia-glx to nvidia-glx-new on another machine
also having compiz-fusion installed. In
I just learned about the new PDF printing feature in 7.10. When I
printed my first PDF from firefox, I just sat there waiting for some
kind of confirmation of the printing process... but nothing happens...
after a few moments I thought "hey, maybe the PDF has already been saved
to the desktop", but
Public bug reported:
Binary package hint: python-scipy
Found a bug in the minpack binding. Under certain conditions
optimize.leastsq will segfault.
This bug has been reported here:
http://projects.scipy.org/scipy/scipy/ticket/392
** Affects: python-scipy (Ubuntu)
Importance: Undecided
This is some example python code crashing at optimize.leastsq.
** Attachment added: "example python code crashing at optimize.leastsq"
http://librarian.launchpad.net/7297952/example.py
--
segfault in python minpack binding
https://bugs.launchpad.net/bugs/105757
You received this bug notificat
This is the proposed patch.
** Attachment added: "patch, removing a double DECREF in __minpack.h"
http://librarian.launchpad.net/7297954/scipy-minpack-double-decref.patch
--
segfault in python minpack binding
https://bugs.launchpad.net/bugs/105757
You received this bug notification because yo
** Description changed:
Binary package hint: python-scipy
Found a bug in the minpack binding. Under certain conditions
optimize.leastsq will segfault.
This bug has been reported here:
- http://projects.scipy.org/scipy/scipy/ticket/392#comment:6
+ http://projects.scipy.org/scipy/scipy
** Tags added: leastsq minpack pythin scipy segfault
** Tags added: python
** Tags removed: pythin
--
segfault in python minpack binding
https://bugs.launchpad.net/bugs/105757
You received this bug notification because you are a member of Ubuntu
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I experienced a problem that looks related to your report. When starting
a gnome session for the second time, the gnome-panel fails to load
several applets. Instead, I'm getting a error message for each applet. I
tried deleting .gnome, .gnome2, .gconf, .gconfd and killing gconfd-2,
but only a compl
Indeed, GNOME and KDE already offer options to save PDF and PostScript
files, but only for applications using the desktop libraries. A cups
based PDF printer is a valuable asset for applications like Gimp,
Firefox or generic applications independent from a specific desktop.
I know CUPS is not a de
Guys, please actually read the stuff others wrote before...
As I said, the problem with gedit is the "save" routine. It relies on moving
the file that is being edited while the filehandle is kept open. This works for
most filesystems, but it fails on cifs and sshfs (by the way, it works with
sm
same with my inspiron 1525, sound is not working out of the box
however, compiling/installing the new alsa drivers from the "alsa-
source" package fixes the problem.
looks like the kernel drivers are too old
--
[Hardy][Inspiron 1525] No sound through built-in speakers or headphone jacks
https:/
*** This bug is a duplicate of bug 73471 ***
https://bugs.launchpad.net/bugs/73471
** This bug is no longer a duplicate of bug 97028
Video with totem and beryl
** This bug has been marked a duplicate of bug 73471
missing some refresh when playing a video
--
totem and compiz problem
ht
*** This bug is a duplicate of bug 73471 ***
https://bugs.launchpad.net/bugs/73471
I can confirm this bug, all systems I've seen so far using the intel gfx
driver behave like this.
The combination AIGLX + XV does not work. If it works, you'll get an
video overlay, so your video image wont be
*** This bug is a duplicate of bug 73471 ***
https://bugs.launchpad.net/bugs/73471
I can confirm this bug on all systems I have seen so far using an Intel
video chipset. Seems the only working driver is the nvidia driver.
--
screen not updated for playing videos when composite is enabled
htt
*** This bug is a duplicate of bug 73471 ***
https://bugs.launchpad.net/bugs/73471
I can confirm this bug on all systems I have seen so far using an Intel
video chipset. Seems the only working driver is the nvidia driver.
** This bug has been marked a duplicate of bug 97028
Video with tote
*** This bug is a duplicate of bug 73471 ***
https://bugs.launchpad.net/bugs/73471
@Christian: What are you talking about? I've been using Compiz for over
one year. XVideo in combination with Compiz/Beryl was flawed since the
beginning of the project (when using the intel or radeon driver from
Public bug reported:
Binary package hint: ov511-source
the code includes "linux/config.h" multiple times, which is not correct
anymore. the compiler will quit because the file does not exist.
all includes of "linux/config.h" must be changed to "linux/autoconf.h"
in the current state, compiling
I'm also getting this error, when investigating the mount problem by
calling gnome-mount manually.
"Timeout for waiting for cleartext device... Exiting."
The mapper device is set up correctly by gnome-mount. As root, i am able
to mount the mapper device without any problems. However, gnome-mount
By the way, I'm running an up to date installation of feisty (10.03.).
So this bug is surely not restricted to Herd4 - changed the title
** Changed in: gnome-mount (Ubuntu)
Status: Needs Info => Confirmed
--
Feisty does not mount encrypted partition
https://launchpad.net/bugs/88213
--
u
@Martin
in my comment i wrote
> The mapper device is set up correctly by gnome-mount.
> As root, i am able to mount the mapper device without
> any problems. However, gnome-mount does not mount
> the filesystem.
so yes... it works using manual mount...
--
Feisty does not mount encrypted partit
indeed... I experienced this bug on 2 different systems running feisty
the python-scipy package has beed updated yesterday?
--
python-scipy install fails due to error in montecarlo.py
https://launchpad.net/bugs/92135
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ok... i fixed this future import line in this python-scipy package...
** Attachment added: "fixed import line in python-scipy_0.5.2-7ubuntu1_i386.deb"
http://librarian.launchpad.net/6793530/python-scipy_0.5.2-7ubuntu2_i386.deb
--
python-scipy install fails due to error in montecarlo.py
https:
Public bug reported:
Binary package hint: module-init-tools
Hi, there is a broken wlan driver, causing a kernel-oops and system
freeze in the ubuntu-sources (bug #78255). This driver is abandoned and
experimental.
This bug is a boot-stopper for ppl like me having this wlan chipset
onboard. there
uhm... you blacklisted the modules
blacklist rtl818x
blacklist rtl8187
but the modules are named differently, it should read
blacklist r818x
blacklist r8187
--
[feisty] broken rtl818x and rtl8187 modules loaded at boot time
https://launchpad.net/bugs/88430
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ubuntu-
A new xserver and compiz version have been uploaded to the repository a
few hours ago.
Using the latest versions, one does not have to add the
XAANoOffscreenPixmaps option anymore.
Works for me.
--
Some windows do not render with "Desktop Effects" enabled
https://launchpad.net/bugs/89189
--
u
Yes, I have an rtl8187, but the bug seems to be in the code shared by
these 2 drivers.
Here is the trace, full dmesg is attached too.
Thanks for your work on this one.
[ 208.828885] Call Trace:
[ 208.828953] [] rtl_ieee80211_start_protocol+0x46/0xe0
[ieee80211_rtl]
[ 208.829035] [] rtl_iee
feisty herd 4 has been released and the module was not blacklisted
yet...
I've no idea who is responsible for doing this, but this module must be
blacklisted in its current state.
--
[feisty] rtl8180 oops
https://launchpad.net/bugs/78255
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so? when will hbci be enabled in gnucash now?
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GnuCash doesn't support HBCI
https://launchpad.net/bugs/5973
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me too, I can confirm that bug
--
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https://launchpad.net/bugs/78255
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This bug is a boot-stopper for ppl like me having this wlan chipset
onboard. there is no BIOS option for disabling the wlan chipset and
there is no way to prevent feisty from loading this driver.
For the 8187 chipset there are this dmesg lines:
rtl8187: WW:This driver has EXPERIMENTAL support for
Public bug reported:
When trying to postscript-print certain PNG images, I get a completely
black document instead of the image.
This bug appears to be in Ubuntu - Edgy Eft, back in Dapper Drake
everything works fine.
Here are 2 test cases:
Open the png images using the standard gnome image vie
gs-gpl -sDEVICE=x11
gs-esp -sDEVICE=x11
both commands on both files give me black images
i tried f-spot and gthumb, both provide black images (although the print
preview looks good)
printing from firefox works (assuming firefox is using another printing
system)
printing directly to CUPS ("lpr
I don't understand why this bug is considered to be a firefox bug as it
is clearly a bug of the application we use to change the font settings.
Non-gnome applications like firefox or qt4 based applications rely on
.fonts.conf for the font hinting configuration instead of pulling
parameters from gco
*** This bug is a duplicate of bug 443004 ***
https://bugs.launchpad.net/bugs/443004
** This bug has been marked a duplicate of bug 443004
Eclipse GTK is not working correct - especially buttons
--
Problems with dialog box buttons in Eclipse (SWT applications?)
https://bugs.launchpad.net/
*** This bug is a duplicate of bug 443004 ***
https://bugs.launchpad.net/bugs/443004
Right, this is a GTK+SWT bug.
It has been resolved upstream...
https://bugs.eclipse.org/bugs/show_bug.cgi?id=287307
... and in the Ubuntu packages
https://bugs.launchpad.net/ubuntu/+source/eclipse/+bug/44300
Apt-proxy is a dead project. We really should remove this from the
repositories and ubuntu wiki pages as it is not working anymore and
people like us searching for an "apt proxy" server continue to stumble
upon it.
--
apt-proxy hangs when client aborting download
https://bugs.launchpad.net/bugs/8
Why not? It's a legitimate bugfix release of the LLVM 6.0 branch, which
Ubuntu 18.04 claims to use, not a backport. Also, quote: This release is
API and ABI compatible with 6.0.0.
We are really going to be stuck with this in an LTS(!) until 2020?
Shame.
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Hello?
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https://bugs.launchpad.net/bugs/1784928
Title:
Bug in LLVM 6.0, fixed in LLVM 6.0.1
To manage notifications about this bug go to:
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@~smiddy84 As you can see from my comment 2 years ago, this problem has
already been solved in HDF View 3. Ubuntu / Debian just didn't update
their package since then.
I wish there was a way to flag packages as dead/abandoned so they can be
removed from the distribution... instead of continuing to
*** This bug is a duplicate of bug 1826266 ***
https://bugs.launchpad.net/bugs/1826266
Seems to be a design choice, known for at least 8 months.
https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1826266
https://gitlab.gnome.org/GNOME/nautilus/issues/634
** Bug watch added: gitlab.gnom
Public bug reported:
After upgrading from Ubuntu 18.10 to 19.04 my BTRFS Raid0 based system
doesn't boot anymore.
It drops to busybox because of an error mounting the root file system.
Manually trying to mount root reveals an error message saying that the
second raid volume could not be found by
I managed to mount the root volume from the kernel 5 boot fail busybox
by explicitly adding the correct device=/dev/sdXY names to the btrfs
mount options. After this one time manual mount, kernel 5 seems to boot
fine now. Seems like the kernel 5 btrfs driver "fixed" whatever it had
trouble with.
C
Well, it's 2020 now. I'm stunned to see that Ubuntu chooses VPN as the
IPv6 default route, even when choosing IPv6 "Disable" in the VPN
settings :( (completely ignored by the way).
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https
>From what I understood, all of the classic hardware codec options
require the MMAL userspace library, which currently cannot be built for
64bit. The only option for hardware encoding/decoding is the V4L2 m2m
interface, which in turn requires the `bcm2835_codec` module we are
missing.
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You rece
Confirmed, USB works when using the using kernel 5.4.0-1012.12.
Unfortunately, Ubuntu still distributes the known bad version by default
though (https://ubuntu.com/download/raspberry-pi).
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This task seems to cover bug report #1876259.
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https://bugs.launchpad.net/bugs/1878142
Title:
Enable Raspberry Pi specific drivers
To manage notifications about this bug go to:
https:/
Public bug reported:
There is a bug in LLVM 6.0.0 that was fixed in LLVM 6.0.1.
Upstream report https://reviews.llvm.org/D44140
Can we get an update for Ubuntu 18.04?
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: llvm (not installed)
ProcVersionSignature: Ubuntu 4.15.0-29.31-generic 4.1
Still not fixed after almost 5 years. Problem and solution are well
known.
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https://bugs.launchpad.net/bugs/941826
Title:
dlopen(libGL.so) resolves to mesa rather than nvidia
To manage
Public bug reported:
The HDF5 viewer "hdfview" is currently broken. All files opened by this
application just appear empty.
As discussed in debian bugreport https://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=853750 this is due to an incompatibility of HDF5
libraries HDF5-1.8 and HDF5-1.10. hdfvie
With ubuntu shipping HDF libraries version 1.10, the only option is to
bump hdfview to version 3 beta.
https://support.hdfgroup.org/products/java/release/hdfview3.html
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** Bug watch added: Sourceware.org Bugzilla #22273
https://sourceware.org/bugzilla/show_bug.cgi?id=22273
** Also affects: glibc via
https://sourceware.org/bugzilla/show_bug.cgi?id=22273
Importance: Unknown
Status: Unknown
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This issue was also reported at the WSL GitHub project:
https://github.com/Microsoft/WSL/issues/2615
The reason seems to be a bug in glibc that has been fixed a few months ago:
https://sourceware.org/bugzilla/show_bug.cgi?id=22273
To fix this we need this patch for glibc in 17.10.
** Bug watch a
Still present in 17.10
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https://bugs.launchpad.net/bugs/1021375
Title:
Nautilus says the USB stick is read only when it is not
To manage notifications about this bug go to:
https://bug
I don't even understand the argument. Lets turn it around/right again:
Why not just dlopen libGL.so? Any application should be able to dlopen
libGL.so.
"libGL.so" is the library name everyone agrees to and everyone expects
to find, which is exactly why this file exists in the first place,
doesn't
The latest version in debian hdfview (2.8.0-5) already has this fix.
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https://bugs.launchpad.net/bugs/919000
Title:
hdfview launcher doesn't escape spaces in filepaths
To manage notifi
There is a fix for that bug that seems to work. It's in kernel 3.2.14
now.
commit 982b8bf53d1b4a8ab091d9218ce71b817a19fbb4
Author: Dave Airlie
Date: Wed Mar 28 10:48:49 2012 +0100
drm/i915: suspend fbdev device around suspend/hibernate
commit 3fa016a0b5c5237e9c387fc3249592b2cb5391
*sigh* late 2015, still not fixed in Ubuntu
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Title:
dlopen(libGL.so) resolves to mesa rather than nvidia
To manage notifications about this bug g
Sorry, but why did you remove the my reported regression concerning the
menu in VLC?
What is the solution now? Totem gets some workaround, but the bug in
Unity/Appmenu remains, leaving VLC and who knows how many other
applications in a broken state?
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Totem from proposed allows switching languages again. Thanks!
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https://bugs.launchpad.net/bugs/1447224
Title:
Regression: Unable to select audio or subtitle tracks
To manage notificati
Public bug reported:
In the past, whenever a filesystem check was forced at boot time the
user was notified by a message on the splash screen and had the option
to cancel the check by pressing "C".
At some point this situation regressed into the current state where:
1) There is no notification a
I don't remember at which Ubuntu version the regression appeared, but I
am pretty sure it was before 15.04. But anyways it probably needs to be
fixed between systemd and plymouth now.
** Also affects: mountall (Ubuntu)
Importance: Undecided
Status: New
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Public bug reported:
When switching between different application windows there is a chance that the
contents of a window just freeze. For me this happens with Firefox quite often,
and extremely often when using QtCreator. Once such a window is frozen,
scrolling or keyboard input seems to work,
** Also affects: indicator-appmenu (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1447224
Title:
Regression: Unable to select audio or subtitle tr
Ok, I read about restoring subtitle functionality by switching to
fullscreen in #1448234, which gave me an idea. There is nothing wrong
with totem or vlc. Yet again its Ubuntu's appmenu that botches up
applications. After uninstalling appmenu everything works as expected.
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As stated in a similar bug report
https://bugs.launchpad.net/ubuntu/+source/totem/+bug/1447224, I suspect
that appmenu is responsible for the missing menu items.
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I just had the same problem when rebuilding Python-qt4 4.10 on ubuntu
13.04. How to fix this?
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https://bugs.launchpad.net/bugs/829497
Title:
python-qt4 version 4.8.5-0ubuntu1 failed to
Just ran into this error when trying to install 13.10. Is the installer
frozen now? Do I have to kill and restart it?
Is it possible to install Ubuntu at all under these circumstances? Does
the "Log in later" button work before one attempts to log in?
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I don't know if this is related, but I also had to deactivate the
update-during-installation option because the installer did freeze on
that as well. Internet connection works flawlessly however.
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Public bug reported:
I did backup my home folder using the Ubuntu Backup tool (deja-dup). Now
I need to restore my home folder, but the application exits because of
an unknown error.
I attached the debug logfile.
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: deja-dup 27.3.1-0ubuntu1
Proc
I can reproduce the bug any time on Ubuntu 15.04 by starting QtCreator,
create a new Qt Quick Application and run it (Ctrl+R). The Quick
Application starts, you close the Window, and both QtCreator and Firefox
are frozen until resized.
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The freeze also happens whenever I interact with a ComboBox in QtQuick
Applications. ComboBox seems to open and close a small window on top of the
Application for displaying/selecting the items.
General observation: Whenever a QtQuick related Window is opened and closed in
Unity, Firefox and QtC
Public bug reported:
After upgrading to Ubuntu 15.04 neither Totem nor VLC are able to select
different audio tracks or subtitles when playing videos with multiple
tracks. This is a regression from Ubuntu 14.10 where playback of such
files was working as expected. I tried this on multiple machines
Public bug reported:
Apparently, the intel driver causes memory corruption after suspending
or hibernating the system. This may result in application or kernel
crashes, filesystem corruption, or any other unexpected behavior.
A workaround is to disable the modesetting by kernel: i915.modeset=0
H
** Package changed: ubuntu => linux-meta (Ubuntu)
** Changed in: linux-meta (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/961932
Title:
i915 memory corrupti
It's possible that the report in #960692 describes this bug as it
appeared when he "opened the display", although since this bug is about
memory corruption, the traceback could point you to any other kernel
module. In the LKML thread I linked, Linus pointed out that a crash
reported in the ext3 mod
Upstream bug:
https://bugzilla.kernel.org/show_bug.cgi?id=37142
** Bug watch added: Linux Kernel Bug Tracker #37142
http://bugzilla.kernel.org/show_bug.cgi?id=37142
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I found a similar problem on my laptop using this chipset:
Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High
Definition Audio Controller (rev 05)
Volume of the internal speakers is good. But when I plug in some
speakers, the signal is almost not existent, even with maximum
Seems to work in 15.10 now
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https://bugs.launchpad.net/bugs/1472622
Title:
Unity doesn't update or freezes contents within application window
To manage notifications about this bug go
Hm, this bug here existed already in 2012, whereas bug 1248642 is a
regression from a change in binutils in 2013. Also, this missing
libpthread.so.0 link problem shouldn't apply since the main application,
python, is definitely linked to it:
$ objdump -pR /usr/bin/python | grep libpthread
NEEDED
Here is another, more minimalistic script that demonstrates the shader
compilation bug on NVIDIA and its workaround.
** Attachment added: "PyQt4 shader compilation error demo & workaround"
https://bugs.launchpad.net/ubuntu/+source/python-qt4/+bug/941826/+attachment/3950419/+files/nvidia-python
@Daniel Dadap, @Brian Nguyen
This kind of problem seems to be similar to a very old and persistent bug where
PyQt cannot create shaders when using the NVIDIA driver on Ubuntu (bug #941826).
This small script
(https://bugs.launchpad.net/ubuntu/+source/python-qt4/+bug/941826/+attachment/3950419/+fi
** Also affects: pyqt5 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/941826
Title:
PyQt cannot compile shaders with Ubuntu's Nvidia drivers
To m
Please also have a look at my example and workaround in #10. As
described in #5, the problem seems to be an error when python
dynamically loads the required opengl libraries. Unfortunately we still
don't know what exactly goes wrong and why it only affects python qt
bindings loading the ubuntu-pack
Ok, I think I found the problem.
Apparently the PyQt application ends up loading the Mesa GL library
(/usr/lib/x86_64-linux-gnu/mesa/libGL.so.1.2.0) instead of the NVidia
driver (/usr/lib/nvidia-331/libGL.so.331.38) that is loaded when
importing PyOpenGL first.
The difference seems to be the libr
The first entry of "libGL.so" in "ldconfig -p" points to
"/usr/lib/x86_64-linux-gnu/libGL.so", which is a symlink to the mesa
driver. After deleting that link pyqt works fine as expected. That
symlink belongs to the "libgl1-mesa-dev" package and seems to overrule
the libGL.so entries in ldconfig fo
I don't really remember, but it is possible that I started a backup
process before which I had to cancel because I wanted to exclude a few
directories. Then I started the actual backup with the correct
parameters. Restoring from that backup failed.
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I already reported this problem years ago when I tried running PyQt4
applications on OpenGl.
https://bugs.launchpad.net/ubuntu/+source/python-qt4/+bug/941826
Some Ubuntu specific modification in the nvidia driver package causes
shader compilation errors in PyQt and PySide.
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Problem still exists in 13.10 and also affects QML/QtQuick applications
on Qt5.
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https://bugs.launchpad.net/bugs/941826
Title:
OpenGL backend not working with Nvidia driver package
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