Questions tagged [debug]
Debugging is a methodical process of finding and reducing the number of bugs, or defects, in a computer program
18
questions
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2
answers
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How do I debug when the system freezes or when it crashes back to login?
I am fairly new to Ubuntu and I was wonder what a good way is to debug when something crashes?
For example: I installed 11.04 and the default media player banshee makes my laptop crash after a few ...
45
votes
7
answers
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views
How can I diagnose/debug "maximum number of clients reached" X errors?
I'm hitting a problem whereby X prevents processes from creating windows, uttering something like the following into ~/.xsession-errors:
cannot open display: :0.0
Maximum number of clients reached
...
74
votes
2
answers
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after upgrade gdb won't attach to process
I just recently upgraded from 10.04 to 11.04 and gdb won't allow me to attach to processes anymore I get the error
Attaching to process 10144 Could not
attach to process. If your uid
matches ...
15
votes
1
answer
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How can I debug my wireless problem?
How can I get started with debugging my wireless problem?
How can I tell whether or not Linux has recognized my wireless hardware at all?
What are the main programs/daemons associated with wireless ...
4
votes
1
answer
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How do I get rid of /sys/kernel/debug/tracing?
I have two Ubuntu 16.04.1 servers providing DHCP and DNS services on my network. Today, on one of my servers, I discovered a new filesystem mounted at /sys/kernel/debug/tracing. The other server, ...
3
votes
1
answer
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Identify element requesting sound chip to sleep
Since a few months the sound is suddenly stopping on my laptop after some time. My computer is a Toshiba Satellite L755 with a Conexant CX20585 sound chip, running Ubuntu 17.04.
I found out that this ...
3
votes
2
answers
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What is wrong with ddebs.ubuntu.com
Did something expire that should not have?
I am using debug symbols on my Ubuntu 20.10 install, and now I get this when I run the apt-get update command.
W: An error occurred during the signature ...
29
votes
4
answers
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bash: set -x logs to file
I have a shell script with set -x to have verbose/debug output:
#!/bin/bash
set -x
command1
command2
...
The output looks like this:
+ command1
whatever output from command1
+ command2
whatever ...
8
votes
1
answer
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What are -dbg packages for?
1- What are -dbg packages really for?
2- Is it a good/bad idea to install them for, at least, my preferred applications/packages?
3- Does installing them for my preferred applications/packages helps ...
6
votes
1
answer
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Missing fonts cause LibreOffice Impress to mess up the layout of the slides
I have reported a LibreOffice Impress bug here. In that bug, the text of a slide went beyond the page margin
Although it looked fine in Microsoft PowerPoint
Now I cannot reproduce the bug anymore. ...
6
votes
3
answers
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How can I find out what is causing my gnome-panel to freeze? [closed]
About once a day my gnome-panel freezes.
How can I produce some sort of debug information to:
Figure out what is causing the freeze or
File a bug or see if its an existing bug
When gdb is attached ...
5
votes
1
answer
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views
How can I debug why gnome-settings-daemon-localeexec is not started on login?
I am using Ubuntu Gnome 14.04 and gnome-settings-daemon-localeexec is not started on login. How can I debug why this is happening?
I've found this question: gnome-settings-daemon not starting when I ...
5
votes
2
answers
846
views
Where are the debug symbols for plasmashell (Kubuntu 19.04)?
I'm having an issue with plasmashell crashing anytime I leave the computer alone for more than an hour or two. I've tried installing debugging symbols to generate a useful crash report, but keep ...
4
votes
0
answers
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PlayOnLinux: Microsoft Office 2013 Please wait while the virtual drive is being created
I recently faced a bug while trying to install Microsoft Office 2013 though PlayOnLinux on Ubuntu 18.04.
The installation did a kind of infinite loop during the following step:
Please wait while ...
3
votes
1
answer
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Ubuntu freezes a few minutes after login
I use Ubuntu 15.10 (running from the disk) I run diagnostics and the disk doesn't seem to have any problems nor my drive should have (it and "expensive" bd-r DVD-r drive from a big brand and never had ...
1
vote
2
answers
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Slack 3.3.3 crash on Ubuntu 18.10
I have installed the latest Slack 3.3.3 from the official website. Downloaded the deb package, but when i start it, it simply crash and nothing happens. It was working fine on Ubuntu 18.04. Is there a ...
0
votes
0
answers
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How to troubleshoot application crashes (find a minidump or stacktrace)
I just installed Ubuntu 18.04.1 on a server, and compiled Povray v3.8.0-alpha.9861167+av620.
It works nicely with some test scenes, but it seems to have a memory leak when rendering my particular ...
0
votes
0
answers
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FAHClient cannot connect on Ubuntu 19.10
I've been running FAHClient successfully for one day now, and hence been contributing to the protein folding project. ... Well, I was until I recently booted my system. Now, the client won't connect, ...