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Description of problem: Booting up guest failed from usb storage attached usb hub Version-Release number of selected component (if applicable): qemu-kvm-rhev-2.6.0-22.el7.ppc64le How reproducible: 100% Steps to Reproduce: 1.Boot up guest with command: /usr/libexec/qemu-kvm \ -name vm \ -smp 4 \ -m 8192 \ -serial stdio \ -nodefaults \ -vga std \ -vnc 0:59 \ -qmp tcp:0:9999,server,nowait \ -device nec-usb-xhci,id=xhci \ -device usb-hub,id=hub1,port=1 \ -device usb-storage,drive=scsi-hd-dr0,id=virt0-0-1,port=1.1\ -drive file=/home/RHEL-Server-7.3-ppc64le-virtio.qcow2,if=none,id=scsi-hd-dr0,format=qcow2,cache=none \ -device virtio-net-pci,netdev=net0,id=nic0,mac=52:54:00:c4:e7:86 \ -netdev tap,id=net0,script=/etc/qemu-ifup,downscript=/etc/qemu-ifdown,vhost=on \ 2. 3. Actual results: Booting up vm failed with erro informat as following: SLOF ********************************************************************** QEMU Starting Build Date = Jun 7 2016 03:06:01 FW Version = mockbuild@ release 20160223 Press "s" to enter Open Firmware. Press F12 for boot menu. Populating /vdevice methods Populating /vdevice/vty@71000000 Populating /vdevice/nvram@71000001 Populating /pci@800000020000000 00 1000 (D) : 1af4 1000 virtio [ net ] 00 0800 (D) : 1033 0194 serial bus [ usb-xhci ] 00 0000 (D) : 1234 1111 qemu vga No NVRAM common partition, re-initializing... Installing QEMU fb Scanning USB XHCI: Initializing USB HUB usb-hub: unable to setup device on port 0 No console specified using hvterm Welcome to Open Firmware Copyright (c) 2004, 2011 IBM Corporation All rights reserved. This program and the accompanying materials are made available under the terms of the BSD License available at http://www.opensource.org/licenses/bsd-license.php Trying to load: from: disk ... E3405: No such device Trying to load: from: cdrom ... E3405: No such device Trying to load: from: /pci@800000020000000/ethernet@2 ... Initializing NIC Reading MAC address from device: 52:54:00:c4:e7:86 Requesting information via DHCP: done Using IPv4 address: 10.19.112.126 Requesting file "pxelinux.0" via TFTP from 10.16.64.13 Receiving data: 25 KBytes TFTP: Received pxelinux.0 (25 KBytes) E3403: Bad executable: +0HEADqemu00 1 E3406: Client application returned an error: +0HEADqemu00 1 ..`. .. ....... .. ...... ....... ..`...`''.`'. .''``````..''. .`''```''`. `''`````` .`` .:' ': `''..... .''. ''` .''..''....... ``.':.';. ``````''`.''. .''. ''``''`````'` ``.':':` .....`''.`'`...... `'`.....`''.`'` .`.`'`` .'`'`````. ``'''''' ``''`'''`. `'` Type 'boot' and press return to continue booting the system. Type 'reset-all' and press return to reboot the system. ..`. .. ....... .. ...... ....... ..`...`''.`'. .''``````..''. .`''```''`. `''`````` .`` .:' ': `''..... .''. ''` .''..''....... ``.':.';. ``````''`.''. .''. ''``''`````'` ``.':':` .....`''.`'`...... `'`.....`''.`'` .`.`'`` .'`'`````. ``'''''' ``''`'''`. `'` Type 'boot' and press return to continue booting the system. Type 'reset-all' and press return to reboot the system. Ready! 0 > Expected results: Boot up guest successfully without error. Additional info: no this issue on x86 and can boot up without usb hub on ppc.
*** This bug has been marked as a duplicate of bug 1352765 ***