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Got a little issue when compiling Windows QT using Gitian. BTW Im using a Ubuntu 12.04 64bit VPS.

So I am using the instructions here : https://cryptocointalk.com/topic/2966-bitcoin-scrypt-v120-source-code-and-compile-instructions-for-linux-windows-and-mac/?p=25594

Everything works pretty much fine until step 20 (sudo bin/gbuild ../bitcoin/contrib/gitian-descriptors/qt-win32.yml)

When I get this error :

********* WARNING: kvm not loaded, this will probably not work out

--- Building for lucid i386 --- Stopping target if it is up Making a new image copy qemu-img: Could not open 'base-lucid-i386.qcow2' bin/gbuild:21:in system!': failed to run make-clean-vm --suite lucid --arch i386 (RuntimeError) from bin/gbuild:57:inbuild_one_configuration' from bin/gbuild:235 from bin/gbuild:230:in each' from bin/gbuild:230 from bin/gbuild:228:ineach' from bin/gbuild:228

What am I doing wrong ?

BTW step two did not go so well either : ls -l /dev/kvm did not return anything but I suspect it wasn't anything too important and other steps worked fine until this.

  • The first line of your error states that kvm is not loaded. The command ls -l /dev/kvm checks the dev/kvm device and shows nothing. There is your problem. Do you meet the requirements? – Mathias711 Jul 25 '14 at 7:41
  • Hi, as far as i know it needs to be a 64 bit ubuntu. This VPS im using is Ubuntu 12.04 and is a 64 bit vm. Am I missing something ? is their any way to load the kvm ? – user18314 Jul 25 '14 at 12:08

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