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8
votes
3answers
153 views

Restart GNOME without restarting Xorg?

sometimes happens that some applications crash and make Gnome desktop unstable for example the upper bar vanishes. by restarting X ctrl+shift+backspace i can reset it. but is there a way just to re ...
8
votes
3answers
542 views

How can I recover after Kate crashes?

I use Kate for coding and note-taking. Sometimes it crashes - often when I've got a lot open. Unsaved 'real' documents (eg, ones backed by files, that have been saved at some point) usually have a ...
6
votes
4answers
13k views

Determining cause of Linux kernel panic

I'm running an Ubuntu 12.04 derivative (amd64) and I've been having really strange issues recently. Out of the blue, seemingly, X will freeze completely for a while (1-3 minutes?) and then the system ...
6
votes
1answer
888 views

Trouble Logging Kernel Panic for Debugging

I'm running Ubuntu 12.04 on AWS/EC2 and having a large number of hosts going belly up. I'm trying to enable kernel dumping, but when I simulate a kernel panic, there's no .crash file written anywhere ...
5
votes
3answers
6k views

How to determine why my computer crashed?

Yesterday, I ran a bash script for about 10 hours. When I went to use the computer, it locked up. I have an Eee PC with Debian. The screen was still visible, but the mouse or keyboard had not ...
5
votes
1answer
588 views

Debugging a Segmentation Fault

I have an application that runs on an embedded Linux device that I am expanding with new features. The new features require GLib so, I am dynamically linking the required libraries to the application. ...
5
votes
0answers
31 views

Is it possible to attach gdb to a crashed process (a.k.a “just-in-time” debugging) [migrated]

When a process crashes I want the possibility to invoke gdb (or a similar debugger) against it in that crashed-but-not-cleaned-up state. Often post-morteming a core dump gives enough information but ...
4
votes
1answer
78 views

How long should I wait between keystrokes when doing SysRq + REISUB?

I read this from here: The most useful combination is the Alt+SysRq/Prnt Scrn + R-E-I-S-U-B. The above basically means that while you press and hold Alt+SysRq/Prnt Scrn and press R, E, I, S, ...
4
votes
2answers
2k views

How to enable crash reports/core dumps/stack trace logging globally?

Crashing bugs can be the most annoying ones, leading to data loss, downtime and frustrated users. It would be good if applications crashed less. Because of the complexity of the machine context, ...
3
votes
3answers
2k views

Black screen when installing Fedora 16

I have read many other threads here and elsewhere but found no solution... I'm trying to install Fedora 16 x86-64. At random points during installation I get black screens that do not go away. I ...
2
votes
1answer
227 views

Since Ubuntu persistent USB crashed, it fails to boot with black screen pre-login, what to do?

I'm using a persistent live USB version of Ubuntu 13.04. Recently it crashed while I was using it. When I restarted I couldn't get past the Ubuntu logo with the sequentially flashing dots anymore. ...
2
votes
3answers
162 views

Is Firefox for Linux generally unstable? [closed]

Started using Firefox in the early days and have used it as main browser for a long time. Under Windows, where I used it a lot until approximately 2011, I generally seldom had problems with it. ...
2
votes
1answer
544 views

Linux crashing my DD-WRT router

I'll start off that I'm new to Linux. A couple months ago I tried installing Ubuntu 11.10 on a laptop (HP). The install went great, however when setting up my wireless network, it caused my router ...
2
votes
2answers
203 views

Troubleshooting kernel panic — next steps after analyzing `crash` dump

I'm running an Ubuntu 12.04 machine with an Intel i7 CPU. Every now and then, it freezes up completely -- the machine and display stay on for a minute or so, the audio that was playing (if any ...
2
votes
2answers
451 views

After crash, e2fsck fails with weirdly high block numbers/sizes

After a breaker trip a Raspberry Pi of mine started to halt boot with kernel panic (same message as here). This is a Raspberry Pi running Raspbian, so it runs from a SD card, from a main ext4 ...
2
votes
2answers
160 views

Finding error log related to specific crash in Ubuntu

Every time I try to start a specific program (Mathematica), my Ubuntu session crashes and I get thrown back to login screen. I want to find out 1) what is it exactly that crashes (probably X) and 2) ...
2
votes
1answer
797 views

System freezes. Can't find anything in the logs

My linux desktop system freezes (aptosid/debian sid) sometimes and after a reboot I can't find any infos about the reason for the freeze in messages/dmesg/syslog/Xorg.*.log. When it "freezes" I can ...
1
vote
4answers
945 views

Why does my linux keep crashing?

I am running Debian 6.0 Squeeze. Every half hour or so a dialog pops up on the side of my screen with the message - Kernel failure. A report has been sent to the developers to help them fix the ...
1
vote
5answers
613 views

How to debug whether restarts are caused by software or hardware?

A newly build Linux debian 2.6.32-5-amd64 #1 SMP Sun Sep 23 10:07:46 UTC 2012 x86_64 GNU/Linux server suffers numerous restarts. 'last -x' output shows: root pts/0 192.168.254.11 Sat ...
1
vote
1answer
56 views

How to get last crash log from ArchLInux

My system suddenly crashed, I have restart it, where could I find the last/previous crash log, since there are no /var/log/syslog* anymore..
1
vote
2answers
164 views

Running `sudo /sbin/service mysqld start` causes system to crash

OS: CentOS 5.10 Service: Amazon Web Services Attempted to remove MySQL 5.0 and install MySQL 5.6 I had a server set up, and was going to use MySQL, but it was was set up with MySQL 5.0. Since ...
1
vote
1answer
103 views

How to know I am using vi or emacs input?

Crash shell allows to specify the command line editing mode to vi or emacs. What will be the difference in these input methods? I am not asking about the internal features.
1
vote
4answers
337 views

crash shell: any way to check if a command executed Successfully

I'm automating a test using crash package. Is there some thing like $?, which can be used to check if the previous command executed successfully or not inside a crash shell? For example, when ...
1
vote
1answer
78 views

Not using specific memory regions due to errors

I have just installed some new RAM (2x1GB, 667, sticks from 2x512MB, 533, sticks) into an old system (perfectly valid), and all was working fine, until now. I have been having some issues when the ...
1
vote
3answers
259 views

New Computer keeps crashing on fresh install

I have a brand new HP Envy dv7-7212nr, second one, because I thought there was something wrong with the SSD with the first one. After I install Debian Testing or Mint, I compile the wireless drivers. ...
1
vote
1answer
337 views

Behavior of rsyslog writing to a pipe

I configure rsyslog with an additional entry, like this: *.* |/var/log/logpipes/pipe1 and have my own evaluation program for the messages received. This works so far, but I am unsure, how rsyslog ...
1
vote
1answer
160 views

Gnome 3 crashes while creating new Password Keyring

I'm using Sabayon 10 with Gnome 3. The problem is Gnome crashes and restarts when I try to create new Password Keyring. Passwords and Keys > + > Password Keyring > 'typing name & passwords' > ...
1
vote
4answers
1k views

Why does VirtualBox crash when I finish the install of BackTrack?

I have a windows 7 64-bit machine in which I have installed VirtualBox and decided to install BackTrack. The installation finished fine, but when it asked me to "please remove installation media and ...
1
vote
0answers
186 views

I get this shutdown prompt, then my laptop dies. What is happening?

I get a dialog box that says 'Shut down the system now', the same as if I had clicked 'quit' in the main menu. This happens seemingly randomly. If I choose 'cancel', it sometimes goes away. Other ...
1
vote
0answers
68 views

Diagnoising a hardware issue on linux

I have a laptop that completly turns its self off after an unpredictable amount of time. It also doesn't allow for its self to turn it back on after a period of time. To me this sounds like an issue ...
1
vote
0answers
239 views

Hardware problem after fresh Linux Mint install

I've installed Linux Mint, Mate 64bit on my machine. My configuration: Desktop PC HP Pro 3400 Series MT Processor: Intel Core i3 2120 @3.30GHz Chipset: Intel Sandy Bridge Graphic Interface: ...
0
votes
1answer
56 views

How to generate kernel crash dumps? [duplicate]

I have X running on terminal 1 and terminal 2 on my RHEL 6.4 system. If i randomly switch between tty1 and tty2, the system crashes. I need to generate crash dump file to analyze the issue. How can I ...
0
votes
1answer
245 views

How can bad OpenGL calls cause whole system crash?

I'm developing OpenGL game and I've copied portion of code with similar function code was partially modified for it's new function, but there was still some bugs. This code was calling OpenGL ...
0
votes
1answer
2k views

Auto-restart an process when it crashes

I have an app that I need to autostart when the OS starts. I am running in a CentOS 6, so I am using a LSB init script placed in /etc/init.d. So far this is fine and working. Now....besides that, ...
0
votes
1answer
87 views

Can't access server after rvm install

I messed up my server yesterday, and im not quite sure how to get it straight again. After trying to install SiriProxy by severall guides failing one after the other on the step for rvm and ...
0
votes
1answer
515 views

Impossible to login after crash [closed]

I am using Fedora 16. I have downloaded MySQL Server and tried to start it; while doing so my Fedora hung. So I shutdown by pressing the power button. When I try to log in next time then this error ...
0
votes
1answer
32 views

Why do I get dropped into a GRUB rescue console? [duplicate]

I've been setting up my environment on a fedora 20 64bit, the last week. After a restart tonight I am unable to boot into my system. It boots into this terminal/prompt and it says: [ Minimal ...
0
votes
0answers
48 views

Opening TTY or using IBus freezes Linux?

For some reason, whenever I open a TTY, if I switch back to X11, it will be completely frozen except for the cursor. The exact same thing also happens whenever I use IBus to switch to ibus-mozc for ...
0
votes
0answers
63 views

Playing music or video under Ubuntu crashes programs

I found out something was wrong when I was trying to watch YouTube videos, Firefox would freeze up. This too happened with chrome, but then just the tab crashed. So I looked up some fixes, I tried ...
0
votes
0answers
129 views

Linux server crash (kernel NULL pointer dereference + soft lockup - CPU#1 stuck)

I have a Linux 3.2.0-4-amd64 #1 SMP Debian 3.2.46-1 x86_64 GNU/Linux server that keeps crashing, usually once every 24-72 hours. I'm running lighttpd, mysql, haproxy and a couple of always-running ...
0
votes
1answer
191 views

The application gnome-panel has quit unexpectedly

I'm getting the following error on a Solaris machine when logged in via VNC. The application gnome-panel has quit unexpectedly. The two options I see are Restart Application and Close. I would ...
0
votes
1answer
174 views

Fedora 15 Crash after xorg.conf file update

I updated my xorg.conf file looking to set up a dual screen system. Unfortunately, I can't provide you this file because when I went to reboot my system crashed. The last line I get when I try to ...