To debug is to attempt to locate and remove errors (bugs) in a computer system.

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Mac OSX 10.8.4 semi freeze - is there a way to monitor why?

My MacBook Air keeps semi-hanging. It lets me open new windows but it typically gets stuck after that. It's happens every 30-40 mins or so and lasts for about 5 mins each time. For example I can open ...
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1answer
419 views

How do I interpret the corrupted file information produced by SFC?

Running a scan with the SFC (system file checker) produces entries in the CBS.log file. sfc /scannow Microsoft recommends running the findstr (find string) command with the c switch which searches ...
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1answer
1k views

Remote debugging with pydev > pydevd > “connection refused”. Why?

I'm trying to have remote debugging working in Eclipse (actually Aptana 3). I'm using the same computer both for server and Aptana (localhost, ubuntu 12.04) My code looks like this: ...
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1answer
213 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 ...
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1answer
28 views

starting network interface in debug mode

Is it possible to start the network interface in debug mode? I am looking for Something like "sshd -ddd" but for a network interface. Basically I am looking for a redhat based solution.
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2answers
226 views

Dummy mail server

In my development PC I want to see all mail sent using PHP mail() function. Is there any dummy mail server that could show all sent mail (regardless of their recipient) and collect them in a mail box ...
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0answers
103 views

How to know which driver or kernel module prevents process to be killed?

Sometimes I have processes which I can't kill. Process Explorer, Task Manager and others say that "Access denied". I was told that this can be because kernel driver has a bug or something. How to ...
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255 views

Kernel panics in FreeBSD 9.1 virtualbox

I'm regularly encountering a kernel panic on my FreeBSD 9 laptop. I have installed virtualbox host and trying to run CentOS as guest. When perform "yum repolist" guest crash's my freebsd host. Here ...
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2answers
154 views

Add/Remove programs: what happens when an app installs incorrectly?

I'm a developer, and the installshields I create deploy 'debugsupport.msi', which is the visual studio 2010 debug support executable. However, when I attempt to run it, it says it's already installed ...
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3answers
282 views

Debug the cause of a bluescreen in windows [duplicate]

I get infrequently a bluescreen on my Windows 7. I would like to know, how i should start debugging this. How can I make the bluescreen last, so i can read the error mesages? How are these messages ...
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30 views

error in …what? bug hunting

I use debian testing. Two weeks ago I ran apt-get dist-upgrade on my desktop as usual. Unfortunately, a major league bug has been occurring since then. I did a few upgrades more later in the belief ...
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1answer
2k views

How to determine if mozilla firefox is buggy?

I always uses Mozilla Firefox, Since Last 3 days I noticed that I showing some annoying adds on Google Homepage and on Youtube and some javascript popups on other site words while when i checked site ...
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1answer
56 views

How can I get the name of an executable from a makefile?

I'm trying to configure vim to run "make debug" (which adds the '-g' flag to the rest of the CFLAGS), and then use Pyclewn to run "Cfile $filename here$" and then run it. This will allow me to quickly ...
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1answer
293 views

Dealing with kernel panics in FreeBSD

I'm regularly encountering a kernel panic on my FreeBSD 9 laptop. I have not been able to fix the problem by updating my system to the current stable version (which I got from the ctm-svn), so how ...
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0answers
50 views

Using the heap command line tool

I am getting a crash while using libgmalloc and I get a complain which says something like Failed to VM allocate XYZ bytes Explicitly trapping into debugger!!! Now I when I encounter this ...
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1answer
433 views

investigating bsod causes

I experienced my second bsod in two weeks and I am starting to worry, here is the dump from the latest crash, can anyone gather any interesting information here? In the hopes of preventing this in ...
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3answers
1k views

How do I start Emacs with the debug init option?

The warning that I get, as soon as I open Emacs is this: Warning (initialization): An error occurred while loading `/Users/Kaileeena/.emacs': End of file during parsing: ...
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1answer
343 views

Mac OS X debug startup items to see what is causing slow startup

I have several menu bar applications loading on startup. 2 of them load immediately, but then there is a 10-20 second pause before the other 6 or 7 load. I would like to know what is causing this ...
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129 views

Android Development - Use of RealTerm or other program to directly manipulate and monitor radio/modem to debug Android Telephony [closed]

I and others are desperately trying to port Android 4/ICS/JB/CM10.1 from the LG Optimus 2X/P990 to the LG G2X/P999 cell phone but we haven't been able to get the phone's Qualcomm mdm6600 radio/modem ...
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1answer
148 views

Why do some errors in Visual Studio disappear?

When debugging a project in Microsoft Visual Studio 2010 Professional, I built the project, resulting in about 15 errors. But as I scroll through the file containing the errors, some of the errors ...
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1answer
183 views

How to tell if a process is out of control with Process Explorer?

Besides seeing constantly high CPU usage and growing memory usage in Task Manager, and without relying on a determination based on actual interaction with the program (e.g., sluggish interface), is ...
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1answer
323 views

Which dbghelp.dll do I use for debugging?

I'm trying to configure symbols in Process Explorer. I have the Windows SDK installed (and thus, Debugging Tools). However, there are two versions of dbghelp.dll -- x86 and x64. Which one do I use? ...
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120 views

Is it possible to find what's “choking” Firefox?

Is it possible to find what exactly is causing Firefox to randomly CPU-spike at 13%, freezing it entirely? And by "exactly", I mean finding what functions/calls/modules/threads/drivers are the direct ...
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2k views

Visual Studio 2012 Very Slow Typing

I have a problem. After SP1 update, passing some time, VS 2012 becomes very-very slow when typing text. Solution size is not big, PC is quite powerful, it has 16GB of RAM, SSD drive, and i7-2600. I ...
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2answers
250 views

How can I make breakpoints work when debugging Zend Framework in Komodo IDE 7?

I am trying to use Komodo IDE 7 (7.1.3) to debug a Zend Framework (PHP) project. The project is being served by Apache on a Ubuntu Server and I am using Komodo on Windows 7 on the same LAN. The files ...
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32 views

Issue using Flash Debug Player in VM Windows Vista instance on OSX Lab machine

I have a MacMini running Lion that our developers use for testing. It has three different versions of Windows installed as Virtual Machines on it. I have been trying to install the Flash Debug Player ...
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33 views

Location of code in a page

I'm working with Google Chrome for debugging and a lot of times i cant remember where i initially implemented codes for different things... I am looking for a php code that i inserted to one of my ...
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3answers
508 views

Debug JS from browser without a server/localhost

So something I do very frequently is writing random scripts in JS without really being part of an app. To run them I just paste them in the console of either Chrome of FF which works as a nice REPL, ...
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4k views

What does “GRM” stand for in GRMSDK in MS SDK DVD ISO images? [closed]

When one tries to install Debugging Tools for Windows as a Stand-alone Component, there is the possibility to download ISO images of the "Microsoft Windows SDK for Windows 7 and .NET Framework 4". The ...
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1answer
257 views

How to trace the X window events being generated on Linux?

I recall in the past having a tool to run on Solaris that would allow me to see what X events are being generated by the keyboard and mouse. What is the application to do this on Linux Centos4?
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1answer
559 views

My PC suddenly reboots

Yesterday I opened my PC hub (after like, 5 years) to add more RAM and a new HDD. It was full of dust and balls of fluff, so I cleaned it a bit by blowing. I also removed the fan that was attached to ...
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1answer
99 views

Which Firefox add-on is responsible for a rendering bug?

I've found a page that isn't rendered correctly by Firefox with my usual profile. It is rendered correctly with a blank profile. I have quite a few add-ons. One of them is surely the culprit. How ...
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1answer
2k views

mounts not present in fstab. where are they?

my debian system is using tmfs for a few things, notably /tmp and it's using a rather small size for it. And it's nowhere to be found in my /etc/fstab i guess i could just add the entry in fstab and ...
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1answer
634 views

Open Emacs with --debug-init on OS X

I am trying to debug why my .emacs does not load. Error message. Invalid read syntax: # ... Start Emacs with the `--debug-init' option to view a complete error backtrace. My question is: How do I ...
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1answer
519 views

How to identify (remove) the source of popup messagebox at Windows XP boot?

A computer of one of my users during the boot of its Windows XP SP3 is insistingly showing a messagebox with different illegible symbols in body and title é requiring to press OK If to leave this ...
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1answer
62 views

downside to --debug-init option of Emacs?

If I modify the dotemacs file, it may introduce an error. Without --debug-init option, emacs does not invoke debugger on error while processing dotemacs. Because I modify dotemacs often, I edited my ...
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1answer
365 views

Debugging freeze in chromium

I am experiencing frequent hangs while typing in omnibox (location bar). There was similar kind of issue(segfaulted) earlier too which was a widespread bug. It happened due to compiling chromium ...
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0answers
490 views

How to fix “ Remote Desktop Connection” error, is it OK to turn off port 3389? [closed]

I keep getting this error when I attempt to connect to our remote Database using Remote Desktop Connection . First, which reason of those 3 would it be? I search online and I found out this may ...
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4answers
14k views

Diagnosing slow Excel spreadsheets?

A client contacted me, complaining of Excel spreadsheets that were taking far too long to open. They use Excel for creating invoices, so they have hundreds of Excel spreadsheets with light formatting ...
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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 ...
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0answers
1k views

Windows 8 Consumer Preview - Full Core CPU Utilization by system process [closed]

I have a Lenovo X220 laptop on which I've installed Windows 8 Consumer Preview. Sometimes though it'll get stuck using 100% of a CPU core though in the SYSTEM process, and there's nothing I can do to ...
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1answer
2k views

Mac: window manager frozen, have ssh access

I have a Mac which regularly runs into a problem. The user interface stops reponding, showing a "frozen" user interface. The mouse is still moving but clicking does not trigger anything. This happens ...
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2answers
112 views

Public Bug Tracking and Version Control System [closed]

We're in the process of moving out of a private beta into our live version of the site. We're trying to find a good Bug Tracking System + Version Control system. Our CEO has requested that the new ...
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5answers
8k views

What is the proper way of debugging a slow Windows installation?

You know the drill - you've been asked to check why your cousin's computer is running slow. I was right there yesterday. Being a Mac user since 2007 I haven't really dug deep in Windows internals in ...
13
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1answer
7k views

setting ulimit on a running process

I launched a server application and I want to run it for a long time for testing purpose. Unfortunately, I forgot to set before ulimit -c unlimited to catch an eventual crash and inspect it. Is there ...
7
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1answer
834 views

Finding useful crash-information in Windows 8 Consumer Preview

I'm currently diving into C# and wanted to play around with the new Metro-styled-applications introduced with Windows 8, so I updated my Windows 7 to Windows 8 Consumer Preview. The problem I'm ...
7
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3answers
6k views

How can I run ALL http request through Charles Web Debugging Proxy - including command line ones?

I'm using the Charles Web Debugging Proxy software to debug HTTP requests. It works great with my desktop browsers, Chrome and Firefox, and it even sees HTTP requests that other programs make. When I ...
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1answer
668 views

Open port in Window 7 for local client-server development and debugging

I am writing a C# console application for Windows 7 that can send and listen to packets (client or server). Since I only have one computer, I will have to debug and test my code locally. I first ...
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1answer
510 views

MySQL ODBC Debugging to myodbc.sql overwrites file instead of appending new queries

I am using the MySQL ODBC driver on a Windows Server 2008 R2 64-bit box. I enabled the debug feature on the odbc driver using the ODBC administrator at %windir%\SysWOW64\odbcad32.exe It does write ...
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83 views

Perfmon-type app with Always on Top feature

Does anyone know of a perfmon-type app, with nifty features, that can be selected with Always on Top? I would like to view selected counters but need the window to be always visible, would help with ...