0
votes
0answers
24 views

Debugging linux kernel, SIGKILL

Trying to debug linux kernel (vmlinux) with gdb during my education, but after I run kernel I just got "program terminated with SIGKILL": gdb vmlinux-3.11.0-12-generic ...GDB header... Reading ...
0
votes
0answers
44 views

Unable to install Flash Debug Player on Fedora 19

I'm trying to install Flash Debug Player in Fedora 19 x64. I understand that Flash Debug Player is not available for x64 on Linux, so the way to go would be to install the i686 version, and then use ...
0
votes
0answers
47 views

Misterious freeze on odroid-u2 running debian

Unfortunately I have had problems in the last month with my ODROID-U2. This is a mini computer from hardkernel that boats on a SD-card. My problem is, after a certain time my mini-computer stops, it ...
1
vote
1answer
76 views

How to investigate the cause for unresponsiveness on Linux? [closed]

I apologize that the problem I'm writing about is not very concrete. I use KDE4 on Debian testing, and use KDE's file manager Dolphin very often, most of the time without problems. Recently, I suppose ...
1
vote
0answers
21 views

Old gdb cannot find out how to do logging

I'm running an obsolete Red Hat OS and debugging with the built-in gdb but I cannot figure out how to do logging. I've tried: set logging on But get: No symbol "logging" in current context It ...
-2
votes
4answers
981 views

How to know if gdb is installed?

How can i know if gdb is installed in a unix machine? I run the following commands: > gdb > gdb main and the result is gdb: command not found but i don't if this means that gdb is ...
0
votes
1answer
165 views

Correlating strace output to source code function calls

I'm trying to fix a keyboard problem in a Linux application which I have the source code for. The application starts a TCP server and sends local keyboard and mouse events to connected clients. What's ...
0
votes
1answer
4k views

Debugging connection timeouts using strace?

I'm trying to figure out why is Eclipse spinning, so I decided to fire up strace. I found the eclipse process using: $ ps ax | grep java 5546 ? Sl 19:04 /usr/bin/java ... [arguments ...
1
vote
1answer
381 views

Debug/step into a Linux boot

Is there a way to watch Linux boot as though it was a program compiled with GCC on a Linux environment using the -g switch so, say, I can step through the entire boot sequence from GRUB onwards, ...
0
votes
2answers
2k views

coredumps don't work after enabling them in /etc/security/limits.conf on Debian

I have some init scripts that launch some daemons that I wrote. I want Linux to generate a coredump anytime something crashes. I activated coredumps in /etc/security/limits.conf by adding the next ...
2
votes
3answers
447 views

How to grab a random section in the middle of a huge file?

I have a huge log file of around 3.5 GB and would like to sample random sections in the middle of say 10 MB for the purpose of debugging what my application is doing. I could use head or tail ...
1
vote
0answers
335 views

ARM Linux kernel debugging on AT91SAM9261

I have ported Linux to AT91SAM9261 board, I have compiled my own Bootstrap, Uboot, Kernel and filesystem. Now I want to debug my Linux kernel 2.6.30 using KGDB and GDB. I have host with Ubuntu ...
0
votes
1answer
1k views

Problems Receiving a Multicast stream - How to Debug?

Through my university I've got a multicast stream that I can watch (using VPN). I try to watch it using vlc, vlc udp://@233.121.29.1:1234 but nothing happens. When I try to double click to start it ...
5
votes
2answers
5k views

How to “debug” a keyboard in Linux? Like pressing a key and seeing a code in a terminal

I didn't have an answer to my problem about adding additional keyboards in my Ubuntu 10.04. Questions mark is not working in my keyboard, only using Alt Gr key + W. So, I don't know if this is a ...
1
vote
2answers
609 views

How can I find out what makes Firefox segfault?

Firefox has started segfaulting when using my default profile. If I run it in safe mode, it runs OK. So I know the segfault probably comes from an extension or from some custom setting. The problem is ...