is a process of finding and reducing the number of bugs, or defects, in a computer program, thus making it behave as expected

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533 views

GNOME 3 - bottom panel is hiding - how to unhide it or change behaviour

After upgrading Debian Wheezy to Jessie, I experience some random unhiding behaviour of the bottom panel. It does not appear - as before - by moving the mouse into lower right corner. It seems it is ...
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63 views

Script in C shell skipping over last else statement?

This is a C shell script that checks the number of arguments and if the file/directory exists. When the arguments are valid, it should go to the last else statement and print "hi", but when I run this ...
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16 views

Can't install additional debug infos in the CentOS 6.7

I am attempting to debug coredump of the some application on the latest CentOS 6.7 and gdb gives me hints that some debug infos are missing, for example: Missing separate debuginfo for ...
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1answer
28 views

Uninstalling packages installed by debuginfo-install

How do I delete debug packages that are installed by debuginfo-install? When I search for them via sudo yum list installed none of the installed packages are listed, even when I enabled the debuginfo ...
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34 views

How to change the console_loglevel in linux?

I read at multiple places (e.g. here http://elinux.org/Debugging_by_printing), that you can change the console log level by echoing an integer to /proc/sys/kernel/printk. If that worked shouldn't the ...
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26 views

How to debug freeze at start, output of syslog

Every now and then, my computer freezes while starting. I can see some "Oops" in /var/log/syslog, but from there I am not sure what to do to try and fix the problem. Jun 5 12:47:40 fulla kernel: [ ...
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1answer
51 views

Linux Mint 17.1 Mate stops responding

I was using LM 17.1 Mate version quite smoothly until one day I found my desktop wallpaper had changed to the original. Then after refreshing for 2nd time it keeps on refreshing and it seems that my ...
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1answer
41 views

gdb displays not all variables in KDevelop [closed]

Hoping, the image describes the issue much better than I can do. Generally, I'm debugging a multithreaded application in KDevelop with gdb. I'm debugging the app step by step (F11 shortcut) and have ...
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36 views

Trying to use KDBG, but it produces error 11

I am trying to start kdbg on Ubuntu, but it produces this error message: MNG error 11: function is invalid at this point ; chunk MHDR; subcode 0:0 MNG error 11: function is invalid at this point ; ...
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45 views

How to debug : Screen starts blanking after running wget

My system is currently running Cubieez 2.2, a Debian image for CubieTruck. My bash script is tasked with downloading driver files from a server to a specific folder through wget. I've tested this bash ...
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1answer
195 views

How to debug an installed Qt5 library with GDB?

Background: I am programming with Qt5 and want to debug the core Qt5 libraries on Debian using GDB. I have installed all the necessary -dev and -dbg packages. When I try to debug, GDB complains that ...
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233 views

Analyze backtrace of kernel panic on Android

I have this problem on my Samsung Galaxy Note 2 LTE with random reboots and kind of clean restarts in the kernel logs (no oops / panic, even though some usb errors) and now I got a kernel panic in the ...
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89 views

Linux unresponsiveness

I'm using a Packard Bell EasyNote laptop (4GB RAM, 500GB HDD) with Arch Linux and xmonad. My problem is that machine becomes fully unresponsive or obtains a large lag. Sometimes when I only have a ...
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1answer
408 views

How do I get debug information from rsyslog?

I followed the directions from: http://www.rsyslog.com/doc/debug.html I put the following in /etc/rsyslog.conf: $DebugLevel 2 $DebugFile /root/RSYSLOG.txt then I try: kill -USR1 `cat ...
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1answer
79 views

python3-dbg fails to import setproctitle

import setproctitle using python3 works, but using python3-dbg fails. How can I fix this? $ cat test.py from setproctitle import setproctitle setproctitle('test') $ python3 ./test.py $ python3-dbg ...
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2answers
547 views

System too slow [closed]

My linux system is responding very slowly.I should wait to get the result of my command. How can i investigate to know the problem of his behavior?
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20 views

Multiply 2 array index variables shell programming [duplicate]

How do i multiply 2 array index variables given the following foo=(1 2) bar=(0.1 0.2) foobar=$((foo[1]*price[1])) # this is wrong echo "$foobar" Current output : 0 Correct/Expected output : 0.4
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1answer
71 views

Getting Sublime + xDebug to work on Debian

I have been trying to get sublime and xdebug to work on debian, but have had no luck. I can't seem to find any debian specific guides. I have tried using the ubuntu based guides, but they don't work ...
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1answer
661 views

Debug program in eclipse with a newly built compiler

I recently tried to build the new version of GCC (4.8.1) on Ubuntu 12.04. I managed to build everything correctly, it passed the tests and I installed the new compiler. I can build programs with the ...
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2answers
71 views

viewing printf after pipe (or subshell?)

Ok, this is hard to distill to a single question because it really depends on how I'm going to troubleshoot it. The following script is meant to pipe mount.cifs commands to a while loop that enters ...