|02 Nov 2009||#1|
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Generating a memory dump for a hung process
This is one way to collect information useful in troubleshooting a hung or "frozen" process or application which is still technically running but unresponsive:
1) Start the Task Manager (press ctrl+shift+Esc).
2) Find the offending application on the "Applications" tab. It's status will most likely be listed as "Not responding".
3) Right-click the application entry and choose "Create memory dump".
4) Note the full path to the memory dump file which should be displayed a few seconds later in a dialog box.
5) Compress (ZIP or RAR) the memory dump file as tightly as possible and upload it to www.*************** or a similar file sharing service.
6) If this is the first time you've discussed this problem on sevenforums.com, start a new thread in the "Crashes and Debugging" section of the forum, describe the problem history and any details you believe to be relevant, and paste a link to the compressed memory dump file into the same post.
Somebody will attend to your query as soon as possible.
A process or application which is perceived by the user as having stopped responding to all input is most likely in an unintended state which prevents it from using its internal mechanisms to respond. Unlike a crash, in a hang scenario the app has not done anything "bad" which would lead to its outright termination. Continues to live on in the list of running processes, even though (most of the time) there is no way to restore functionality short of terminating and restarting that process.
The causes for hangs are many and varied. Some examples:
Note that analysing "hang" dumps is frequently more complex than performing BSOD minidump triage because there are few clues as to where to start looking in all that memory. A BSOD minidump at least offers a starting point - the actual thread which directly caused the crash. Complex applications can have tens or hundreds of individual threads, and it is not always easy to understand their mutual interaction, nor the precise reason why the app/process has become unresponsive.
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