hi,

How to configure "Path to qemu" and "Path to qemu-img", I can't find these files in GNS3 Resource folder.

My Version is GNS3 0.7.3.

Qemu is not included in the DMG, you have to get it yourself. This will probably change in future releases.

_________________
Jeremy, GNS3 Programmer & Benevolent Dictator for Life.

I'm having the same problem as syz2000, so I took grossmj's advice and tried downloading Qemu myself. I couldn't get it to work, but maybe someone can spot my mistake.

I used MacPorts to download and install Qemu. It placed both "qemu" and "qemu-img" in the path "/opt/local/bin". I configured the Qemu preferences in GNS3 to reflect that. I let the Qemuwrapper point to "qemuwrapper.py" in the .App package and left the working directory of "/tmp" alone. I downloaded a lightweight Qemu linux image from Qemu project site and pointed the Qemu host preference to that image. When I hit the "Test" button under the Qemu Preferences pane in GNS3, it returns an error message that it's unable to initialize Qemuwrapper. "Qemuwrapper" is indeed present in "/Applications/GNS3.app/Contents/Resources/qemuwrapper.py". I downloaded the GN3S source files and copied the "Qemuwrapper" folder from the source into "/Applications/GNS3.app/Contents/Resources/" and then changed the qemuwrapper configuration value again to point to the new file from the source. It still fails to initialize when I hit the test button. If I attempt to create a Qemuhost in the main screen of GNS3, a status prompt appears but it fails to connect.

I can launch qemu using the same linux image just fine via the CLI.

I gave it a shot but am apparently not understanding something. Thanks in advance for any help.

Did you get this working, I have the same issue. Installed qemu and qemu-img from ports, no problems there. But when I test qemu in gns3 preferences i get "Failed to start qemuwrapper". Tried the one that comes with the dmg package and also the wrapper script from source.

Same problem here, I am very curious on how to get this working.

Any thing you can share to help get Qemu working will be very appreciated!

And yet another "Failed to start Qemuwrapper" here... have working qemu/qemu-img 0.13.0 from Macports.



Edit:
Could this be a hint to the problem?

So, retrieving the pemubin.py file from http://code.gns3.net/gns3-devel/file/60 ... emuwrapper and putting it into the Resouces file in the GNS3.app directory makes qemuwrapper work:


After the successful start, I killed the qemuwrapper process by hitting <Ctrl>-C:


However, after that, clicking the "Test" button on the Qemu pref's page still failed to start qemuwrapper...

BUT! I found if you start qemuwrapper as above by hand, and leave it running, then clicking the "Test" button yields
Qemuwrapper, qemu and qemu-img have successfully started

SO I guess that's the trick for now...

Just start qemuwrapper via a terminal shell as so:


And leave it running while you use GNS3. Kill it off by <Ctrl>-C when you are finished needing it.

Hopefully this can be fixed in a future version...

I tried following these instructions and got the following error in Terminal -

Last login: Fri Mar 25 23:02:07 on ttys000
Ronald-Nutters-MacBook-Pro:~ ronaldnutter$ python /Applications/GNS3.app/Contents/Resources/qemuwrapper.py
'import site' failed; use -v for traceback
/Applications/GNS3.app/Contents/Resources/qemuwrapper.py:943: SyntaxWarning: name 'IP' is assigned to before global declaration
global IP
Traceback (most recent call last):
File "/Applications/GNS3.app/Contents/Resources/qemuwrapper.py", line 33, in <module>
import base64
ImportError: No module named base64
Ronald-Nutters-MacBook-Pro:~ ronaldnutter$

I have the macport stuff installed. I am new to the Mac so this is a trial by fire. Got GNS3 working but would like to get this running as well so I can simulate the ASA as well. I have also tried doing sudo port install base64 but that didnt get rid of this error.

Any suggestions appreciated,
Ron

You need to be a root user.

sudo python /Applications/GNS3.app/Contents/Resources/qemuwrapper.py
or
sudo -s
python /Applications/GNS3.app/Contents/Resources/qemuwrapper.py

Works perfectly now. Thanks for solving the mystery, wdennis.