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UHCI Host Controller no longer present with -usb
If on an up to date 12.04 install and I start a VM with:
$ qemu -m 192 -serial none -chardev null,id=chardevmon -pidfile /tmp/pid -daemonize -nographic -monitor tcp:127.0.0.1:4444,server,nowait -net user,hostfwd=tcp:127.0.0.1:4422-:22 -usb -rtc base=utc -name qatest-vm -uuid ded3a46b-bb60-43f4-8113-d041aeb93cdf -hda libvirt/qatest/qatest.qcow2
Then use the 'info usbhost' in the monitor, I get:
$ echo 'info usbhost' | nc -q 1 127.0.0.1 4444
(qemu) info usbhost
husb: using sys file-system with /dev/bus/usb
$
In Oneiric and eariler, 'info usbhost' would should a UHCI Host Controller. Eg:
$ qemu -m 192 -serial none -chardev null,id=chardevmon -pidfile /tmp/pid -daemonize -nographic -monitor tcp:127.0.0.1:4444,server,nowait -net user,hostfwd=tcp:127.0.0.1:4422-:22 -usb -rtc base=utc -name qatest-vm -uuid ded3a46b-bb60-43f4-8113-d041aeb93cdf -hda libvirt/qatest/qatest.qcow2
echo 'info usbhost' | nc -q 1 127.0.0.1 4444
QEMU 0.14.1 monitor - type 'help' for more information
(qemu) info usbhost
husb: using sys file-system with /dev/bus/usb
Device 1.1, speed 12 Mb/s
Hub: USB device 1d6b:0001, UHCI Host Controller
This breaks QRT/scripts/test-qemu.py and appears to be a regression, but I am not sure if it is a 3.2 kernel issue or a 0.14.1 vs 0.15 issue.
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