Comment 40 for bug 723871

I cannot upload packages to PPA :-

root@boris-System-P5Q3:~/KVMQEMU14# dput ppa:bderzhavets/spice2 qemu-kvm_0.14.0+noroms-0ubuntu7_amd64.changes
Checking signature on .changes
gpg: Signature made Sat 07 May 2011 02:27:25 PM MSD using RSA key ID 930900E6
gpg: Good signature from "Boris Derzhavets (Development key) <email address hidden>"
Good signature on /root/KVMQEMU14/qemu-kvm_0.14.0+noroms-0ubuntu7_amd64.changes.
Uploading to ppa (via ftp to ppa.launchpad.net):
  Uploading qemu-common_0.14.0+noroms-0ubuntu7_all.deb: done.
  Uploading qemu-kvm_0.14.0+noroms-0ubuntu7_amd64.deb: done.
  Uploading qemu_0.14.0+noroms-0ubuntu7_amd64.deb: done.
  Uploading kvm_84+dfsg-0ubuntu16+0.14.0+noroms+0ubuntu7_amd64.deb: done.
  Uploading qemu-kvm_0.14.0+noroms-0ubuntu7_amd64.changes: 2k/3k550 Changes file must be signed with a valid GPG signature: Verification failed 3 times: ["(7, 9, u'No public key')", "(7, 9, u'No public key')", "(7, 9, u'No public key')"] : Permission denied.
Note: This error might indicate a problem with your passive_ftp setting.
      Please consult dput.cf(5) for details on this configuration option.

Please, advise.