[Bug 317499] Re: Blank viewport - cannot capture

2009-08-21 Thread Ralf Hölzemer
** Changed in: cheese (Ubuntu)
   Status: New => Fix Released

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Blank viewport - cannot capture
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[Bug 290506] Re: cheese malfunctioning with UVCVIDEO webcams (was cheese doesn't show v4l2 video output and disables output on gstreamer-based apps ran afterwards)

2009-08-21 Thread Ralf Hölzemer
Okay, today i gave Fedora another try and Cheese also failed there. So
it looks like this is a very unfortunate situation with my particular
setup. My Webcam always needs a little longer to initialize when it is
plugged in and no driver was previously loaded, but other applications
have no problem with that.

It might be a firmware bug or just the the way my cam is probed by
cheese. I don't know. However, it is an issue and i can always reproduce
by the following steps:

- unplug the cam
- sudo rmmod uvcvideo
- plug the cam
- start cheese

'cheese -v' doesn't show any errors because the probe fails gracefully after 
the 10 second period.
uvcvideo trace logs don't show any errors because the driver is only waiting 
for the first data to arrive.

So everything works as long as the camera initialization isn't
interrupted - which is the case with my webcam and it's ridiculous 16
second init time. :) I realize that there is still some error elsewhere
- maybe in cheese, gstreamer or the driver - but with no error messages
in either the cheese logs, or the uvcvideo traces i am at the moment
unable to debug this any further. I will do some more research though.

Meanwhile, I would love to see the workaround in the attached patch (
91_raise_timeout.patch ) included in cheese for karmic. It simply raises
the probing timeout from 10 to 30 seconds. This patch should not affect
working cameras. However, cameras with a probing time similar to mine (
>10sec. ) will have some more time to initialize and thus get detected
correctly by cheese.

** Attachment added: "Raises the probing timeout of cheese to 30 seconds"
   http://launchpadlibrarian.net/30654339/91_raise_timeout.patch

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[Bug 290506] Re: cheese malfunctioning with UVCVIDEO webcams (was cheese doesn't show v4l2 video output and disables output on gstreamer-based apps ran afterwards)

2009-08-13 Thread Ralf Hölzemer
This bug still affects me in Ubuntu Karmic.

Compiling the latest driver from http://linuxtv.org/hg/~pinchartl/uvcvideo 
makes no difference.
Basically, every tool (skype, ekiga, luvcview, gst-launch v4l2src ! 
xvimagesink, ...) except Cheese works fine.

Cheese fails to detect the webcam due to extremely long probing times (~16 
seconds on my machine for the first access after a freshly loaded uvcvideo 
module - either through a reboot, or by hand via rmmod/modprobe), and when the 
cam light finally comes up, cheese already has given up (happens after 10 
seconds - this is hardcoded in cheese).
When that happens, the state of the webcam/uvcvideo seems to be corrupted 
somehow. Any access to the webcam with any tool, either cheese or somethig 
else, fails afterwards. The only fix then is to rmmod/modprobe uvcvideo again. 
After doing that, the webcam works correct - even in cheese ( ~2-4 seconds 
probing time ).
Raising the hardcoded timeout in src/cheese-webcam.c from 10 to 30 seconds 
seems to be a good workaround that works most of the time for me, but it is not 
a real solution to the problem at hand.

I tried to reproduce the bug with an Fedora 11 LiveCD, but there
everything went fine. Probes to the cam never lasted longer than 2
seconds and the image was always displayed instantly after that.
Accessing the cam with other tools after cheese 'initialized' the driver
went fine too.

So is anyone else still having problems?

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cheese malfunctioning with UVCVIDEO webcams (was cheese doesn't show v4l2 video 
output and disables output on gstreamer-based apps ran afterwards)
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[Bug 366716] Re: Supertuxkart give me a lot of problems with music using jaunty

2009-05-02 Thread Ralf Hölzemer
*** This bug is a duplicate of bug 192573 ***
https://bugs.launchpad.net/bugs/192573

On some hardware configurations, openal-soft doesn't work with the default alsa 
backend and pulseaudio.
A workaround is to switch the backend to oss. To do that, create a file named 
".alsoftrc" in your home directory and put "drivers = oss" in it.

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[Bug 115275] Re: Random kernel crash/freeze in Feisty

2007-05-24 Thread Ralf Hölzemer
Sistofe,

the system runs stable today! There was no single crash or freeze, which i 
didn't have for a long time now. I am sure the problem is powernowd.
Thank you very much for the tip. If you have any further questions or you want 
me to do something - shoot!

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[Bug 115275] Re: Random kernel crash/freeze in Feisty

2007-05-23 Thread Ralf Hölzemer
Okay. I did the change described above and all i can say for now is that the 
next boot after the change, the system came up without problems. It is also 
running stable for more than 30 minutes now.
Unfortunately that doesn't mean anything because sometime, after 10 - 20 
crashes, if the system ran stable for more than ~30 minutes, it will run stable 
for the rest of the day.
So, to answer your question, it seems to have something to do with powernowd, 
because today i had only 3 crashes before i did the change. Compared to the 
usual behaviour, this is a suprising low crash rate!
Though i can only provide a correct answer in about 24 hours  from now on.

It may be interesting to hear the results of other people in here.
Thanks for the suggestion. I keep my fingers crossed!

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[Bug 115275] Re: Random kernel crash/freeze in Feisty

2007-05-22 Thread Ralf Hölzemer
Hi Sitsofe,

the CPU is an Intel P4 3Ghz HT. Motherboard is a Gigabyte 8KNXP Rev. 1.
There is no cool 'n quiet function in the BIOS.

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[Bug 115275] Re: Random kernel crash/freeze in Feisty

2007-05-21 Thread Ralf Hölzemer
** Changed in: linux-source-2.6.20 (Ubuntu)
   Status: Unconfirmed => Confirmed

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Random kernel crash/freeze in Feisty
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[Bug 76003] Re: Starting Wengophone does produce a Kernel oops entry in Syslog

2007-05-20 Thread Ralf Hölzemer
Newer packages are available for wengophone. This bug doesn't apply
anymore.

** Changed in: wengophone (Ubuntu)
   Status: Unconfirmed => Fix Released

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Starting Wengophone does produce a Kernel oops entry in Syslog
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[Bug 115275] Re: Random kernel crash/freeze in Feisty

2007-05-17 Thread Ralf Hölzemer
The logfiles

** Attachment added: "various info- and logfiles"
   http://librarian.launchpad.net/7687460/logs.tar.bz2

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[Bug 115275] Random kernel crash/freeze in Feisty

2007-05-17 Thread Ralf Hölzemer
Public bug reported:

Binary package hint: linux-source-2.6.20

The current installed kernel freezes/crashes at "random" times. The bug is 
triggered without any user interaction.
There are more people having a similar problem discussing the issue at 
http://ubuntuforums.org/showthread.php?t=412125

Things i observed while investigating are:

- It is definitely a 2.6.20 thing. Edgy doesn't crash on the same machine
- Seems to have nothing to do with proprietary NVIDIA drivers because the crash 
also happens with the "nv" driver enabled. Even a stock Feisty LiveCD crashed.
- Disabling every hardware component & feature in the BIOS, one at a time, has 
no effect. Crashes would still happen
- Booting with various kernel flags mentioned in the above thread didn't help ( 
noapic, assign-busses ... )
- The machine freezes/crashes 10-20 times per day!
- Once the machine didn't crash for longer than ~30min, it would run stable for 
the rest of the day
- I noticed that many people on launchpad have problems with their SAMSUNG 
(TSSTCorp) DVD-Burner, which i also have. One guy posted that he could fix the 
error with a firmware update of the burner ( 
https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/64587/comments/16
 ). So today i updated my drives firmware to the latest version, but the crash 
is still there. I even disabled the drive in the BIOS to see if the crash is 
directly linked to it, but the situation is the same.

I managed to get some debug output via ALT+SysRq+1 & ALT+SysRq+T, which
i will attach to this report.

** Affects: linux-source-2.6.20 (Ubuntu)
 Importance: Undecided
 Status: Unconfirmed

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[Bug 105907] Re: [needs-packaging]cinelerra

2007-04-22 Thread Ralf Hölzemer
Please note that there are two versions of Cinelerra. The original tree, which 
can be found at the URL mentioned above ( 
http://heroinewarrior.com/cinelerra.php3 ), and the community version, which 
can be found at http://cvs.cinelerra.org
The community version has their own repository with packages for ubuntu feisty. 
See http://cvs.cinelerra.org/getting_cinelerra.php for instructions on how to 
get these.
Getting Cinelerra into the official repositories might be as easy as just 
taking the existing ones from this site.

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[Bug 104194] [needs-packaging] Linux UVC USB Video Class device driver

2007-04-07 Thread Ralf Hölzemer
Public bug reported:

An essential driver to have that supports many Webcams (and later generic video 
devices) out there.
Please have a look at http://linux-uvc.berlios.de for more information.

** Affects: Ubuntu
 Importance: Undecided
 Status: Unconfirmed


** Tags: needs-packaging

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https://bugs.launchpad.net/bugs/104194
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[Bug 104191] [needs-packaging] AVM Fritz! WLAN USB Driver

2007-04-07 Thread Ralf Hölzemer
Public bug reported:

This is a very popular WLAN USB Stick in Germany and it would be great if it 
worked OOB for Ubuntu Users.
As far as i can tell there is a LGPL-, and a proprietary part of the driver, so 
it is very much like the nvidia drivers.
There are already some restricted drivers for some older hardware components of 
this manufacturer available in the repositories ( avm-fritz-firmware ).
To get a rough overview of the popularity of this hardware, go to 
http://www.ubuntuusers.de and search the forum for "fritz wlan usb".

** Affects: Ubuntu
 Importance: Undecided
 Status: Unconfirmed


** Tags: needs-packaging

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[Bug 76003] Re: Starting Wengophone does produce a Kernel oops entry in Syslog

2006-12-16 Thread Ralf Hölzemer
Adding the syslog entry

** Attachment added: "The syslog entry"
   http://librarian.launchpad.net/5423703/syslog.txt

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[Bug 76003] Starting Wengophone does produce a Kernel oops entry in Syslog

2006-12-16 Thread Ralf Hölzemer
Public bug reported:

Binary package hint: wengophone

Wengophone crashes immediately after start and produces some Syslog entrys 
stating that the Kernel crashed.
I get this behaviour everytime i try to start Wengophone.

Up to date Ubuntu Feisty  i386 (06.12.16)
NVIDIA Quadro FX 3000/AGP/SSE2 with the proprietary driver Version 96.29

** Affects: wengophone (Ubuntu)
 Importance: Undecided
 Status: Unconfirmed

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[Bug 71277] Crash when viewing formatted text

2006-11-10 Thread Ralf Hölzemer
Public bug reported:

Binary package hint: nvidia-glx

The NVIDIA driver crashes when viewing a syntax highlighted text that
has very long lines.

I am able to reproduce this bug by the following steps:

1) Open Firefox and go to http://maps.google.com
2) press CTRL+U to view the sourcecode of that site
3) grab the horizontal scrollbar and scroll around the sourcecode

the same happens with Epiphany, even if epiphany uses Gedit to view the
source

1) Open Epiphany and go to http://maps.google.com
2) press CTRL+U

Using the newer 9000 series nvidia-glx from albertomilone.com seems to
fix this issue.

Ubuntu 6.10, Pentium 4, NVIDIA Quadro FX 3000

** Affects: linux-restricted-modules-2.6.19 (Ubuntu)
 Importance: Undecided
 Status: Unconfirmed

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