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

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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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3k views

What causes “host process for windows services stopped working and was closed”?

When computer (32-bit Windows Vista 32-bit 6.0 Home Premium SP 2) randomly has a "Host Process for Windows Services stopped working and was closed" error: This popup message simply occur out of ...
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190 views

Verifying Flash Player debug version installed: Is there a webpage that purposefully causes a Flash exception?

I need a quick way to verify that the Flash Player debug version is properly installed. I'm thinking that a page that has a flash widget embedded that tries to do x=1/0;... Basically I just want to ...
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55 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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3k 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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270 views

Can firebug open a local CSS file?

With firePHP and fireLogger, i can click on the file name of the file that caused an error and open it with a text editor. I saw the option to configure editors with firebug - so my question is this: ...
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51 views

Microsoft Bug(s) -Windows OS failure(s)

Summary This has been an ongoing issue across Windows 8 and up where the windows full screen apps fail to open without instantly crashing while the skydive fails to function at all. The only ...
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49 views

PC enters a state where it's “sleeping” but cannot wake up

Sometimes, I come back to my computer to see it look like it's sleeping, but I'm unable to wake it up (either with the keyboard/mouse or with the power button). The power light on the front of my ...
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196 views

OneDrive Sync Engine has stopped working (with callstack and disassembly)

Searching online I can see that some people have this problem but I cannot find any solution. I tried to change onedrive location, run the onedrive troubleshooter (no problems found) and nothing ...
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31 views

Analyzing the actions of a running program

Do you know a Windows software (or several) that can analyze what a running program is doing ? For example, detecting if the program is connecting to the Internet (and to what), of sending data via ...
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141 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 ...
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307 views

Valgrind can't find debug symbols, even with --extra-debuginfo-path

I'm attempting to install Valgrind on an embedded Debian-based PowerPC system. I've managed to cross-compile it successfully, but now it's complaining that it can't find debug information. I've put ...
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91 views

30% CPU usage when charger unplugged. When plugged in, cpu usage drops to 2%

I have checked by external debugger and it seems that batteryservice:update start runs 10 times per second. Other battery processes are running very often too, only with charger unplugged. It's brand ...
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249 views

debug not working in PhpStorm

I've got a fresh PhpStorm 6.0.3 installation on my machine. Unfortunately when I create a project and place an index.html in it, select that file and click on the debug icon, Chrome is launched but ...
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50 views

Windows 8.1 Recent Apps is invisible

So I updated from windows 8 to 8.1, and ever since, that menu that comes up with you hover the mouse in the top left of the screen (that shows your recent win8 apps) is bugged. It shows two parts of ...
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24 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 ...
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302 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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31 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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132 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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36 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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85 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 ...
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133 views

XCode to debug gdb-debuggable executable

I have compiled a cmake-based executable that is (miraculously) debuggable in gdb. So examining hundreds of variables with the terminal becomes a little bit slow for very large projects and I would ...
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355 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 ...
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99 views

Is there any ucSim GUI frontend?

Is there any ucSim GUI frontend? Cygwin or Ubuntu either is ok. Or if there is any free source MCS-51 simulator/debugger?
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35 views

Understanding Memory.dmp file drive failure

I have a desktop Windows 7 PC that keeps randomly rebooting, so I looked in the event log an there was lot of Critical kernel-power events followed by a bugcheck events. The bugcheck event pointed ...
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31 views

How to find what file in winsxs is generating a crash?

I have a program that is generating a msvcr80.dll error and crashing. I would like to find out what is happening, so I could find if the program is using the wrong version of that file. Is there a ...
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9 views

Debugging Ipads With Externally Connected Devices

I currently writing an ipad app that connects to an external device. Because It's connected via the ipads output cable I cant have the ipad connected to my mac while test code and therefore can't use ...
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12 views

How to evaluate expressions in Eclipse EE while debugging

In chrome, when you have some javascript code, like this one: if(1 === 50) { return false; } else if(1 === 1) { return true; } You are able to highlight the expressions in the if ...
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26 views

Debugging choppy video playback on LAN - Bandwidth measurement

I am using VLC to playback videos stored on a personal NAS. I sometimes experience choppy playback, which I would like to diagnose by measuring with precision what bandwidth is required by the video ...
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74 views

BSOD 7b diagnostic on VirtualBox

I migrate my machine (Win7 x86) to Virtualbox VM with SATA AHCI controller. VBox SATA has device ID 8086:2829 On clean installed Win 7 I see that the driver is msahci On serial debug I see that msahci ...
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37 views

Fiddler: Is it possible to replace/hide part of URL without affecting the content?

I'm using Fiddler debugging proxy, And the code below can intercept the server(YouTube) data and modify the HTML information before it reaches the client(my web broswer). if ...
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103 views

How to debug a Win32 GUI program if OllyDbg does not open it?

Basically I followed the tutorial in this website: How to get the serial number of a program with OllyDbg. I got "Nothing found *" in PEiD, with Subsysytem = "Win32 GUI", and V. Size & R. Size ...
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27 views

Remote browser session debugging: Is there a tool to get a “core dump” of a browser's interaction with a webpage?

A user of my website is having a problem that I can't reproduce. It is maddening to debug, because all I can really ask the user (nontechnical person) is their OS version and browser version. Is ...
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45 views

Undocking sometimes leaves a tray icon/hangs

Sometimes (maybe every 10th undocking) after undocking the laptop the function HotPlugSafeRemovalNotification from hotplug.dll hangs. It also leaves a system tray icon which looks as follows: The ...
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26 views

Logging/debugging the bash startup process

My bash shell sometimes takes quite a while to start, probably due to a lot of stuff happening in my various dot files (e.g. .bash_profile, etc.). Is there any way to properly log the bash startup ...
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43 views

debugger tends to block server when listening until restarting phpStorm

I follwed the instructions from this post on how to set up xdebug with php storm. It works great but the problem is that it works for the first request only. ie Let's say I turn the listener on. I ...
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16 views

What logging can I turn on / dump can I retrieve in order to report this bug in Chrome?

Once or twice a week, I run into a bug in Chrome where not only all my Chrome tabs, but even all my Chrome windows, appear frozen, due to an invisible Javascript confirmation dialog. I don't know what ...
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176 views

No COM1 port on hyper-v

I just made a fresh Windows 8.1 install and am trying to set-up a VM for kernel debugging. Therefore, I need to create a serial link to debug the VM using windbg. Usually I just simply add a new COM ...
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26 views

How to know what kernel object process is waiting for in windows

I have javaw.exe and spotify.exe occasionally in state where they can not be terminated. I mean that I can see them only in task manager and not normally running. Terminating does not affect all, they ...
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49 views

how to set breakpoint in gemfile for rubymine

I'm currently looking at the guts of query_report gem by examining the sample project that comes with it. I was wondering if it is possible to set a breakpoint in rubymine in one of the files in the ...
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18 views

No debug menu for php in Eclipse

I'd like to set up debug for PHP in Eclipse, the problem is that I don't know where to find the debug configuration. In this tutorial there's a PHP section with an item "Debug" but in my Eclipse ...
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258 views

How to install debug flash for Chrome (only)?

Ok, I've seen threads like this: How to Install Flash Debug Version for Google Chrome? But is it possible to have the debug version of flash in Chrome and a release one for all other browsers (I'm ...
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109 views

How do I set up an Event Viewer filter to show only PHP errors?

I'm running PHP on Windows Server 2008. I have figured out how to log errors to Event Viewer. How do I create a filtered view to show me only PHP errors? Can I set up a view that only shows PHP ...
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95 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 ...
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102 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 ...
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174 views

Free Download Manager can't download more than 20 sections simultaneously

Free Download Manager can automatically add "sections" to a download as the download is running, or you can add them manually. Each section is a thread and a connection that downloads a segment of the ...
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46 views

IE7 on XP, how to enable script debugging

I have Windows XP SP3 and IE 7.0.5730.13 I need to be able to debug javascript viewing my Website in IE7 I've gone into Internet Options > Advanced and unchecked 'Disable Script Debugging' boxes. I've ...
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194 views

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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130 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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73 views

How can I edit Javascript of a website like in CSS Pivot?

I want to edit and run Javascript on a website. Then, I'd like to save it for re-accessing it later. What I'm describing is exactly like CSS Pivot, but only for Javascript. Sharing with others is not ...