qemu-2.1.2-7.fc21.x86_64 BROKEN - USB with passthrougth guest cannot enumerate USB host https://bugs.launchpad.net/qemu/+bug/1385934 - usb: add usb_pick_speed http://git.qemu.org/?p=qemu.git;a=commit;h=b791c3b - usb-host: fix usb_host_speed_compat tyops http://git.qemu.org/?p=qemu.git;a=commit;h=79ae25a Rebuilt from Rawhide qemu-2.2.0-2.fc21.x86_64 OK
qemu-2.1.3-2.fc21 has been submitted as an update for Fedora 21. https://admin.fedoraproject.org/updates/qemu-2.1.3-2.fc21
Package qemu-2.1.3-2.fc21: * should fix your issue, * was pushed to the Fedora 21 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing qemu-2.1.3-2.fc21' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2015-1874/qemu-2.1.3-2.fc21 then log in and leave karma (feedback).
Yeah, qemu-2.2.0-5.fc21.x86_64 is OK.
qemu-2.1.3-2.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report.