Re: [Qemu-devel] q35 : virtio-serial on pci bridge : bus not found

[Alexandre DERUMIER <aderumier@odiso.com>]

Seem not related to q35,

as with pc-i440fx machine model, It's also hang on pci bridge

error msg : -device virtio-serial,id=spice,bus=pci.2,addr=0xb: Bus 'pci.2' not found


/usr/bin/kvm -id 126
-chardev socket,id=qmp,path=/var/run/qemu-server/126.qmp,server,nowait -mon chardev=qmp,mode=control -vnc unix:/var/run/qemu-server/126.vnc,x509,password -pidfile /var/run/qemu-server/126.pid -daemonize
-name win1test -smp sockets=2,cores=2 -nodefaults -boot menu=on -vga qxl -no-hpet
-cpu kvm64,hv_spinlocks=0xffff,hv_relaxed,+lahf_lm,+x2apic,+sep -k fr
-spice tls-port=61000,addr=127.0.0.1,tls-ciphers=DES-CBC3-SHA,seamless-migration=on
-device virtio-serial,id=spice,bus=pci.2,addr=0xb -chardev spicevmc,id=vdagent,name=vdagent
-device virtserialport,chardev=vdagent,name=com.redhat.spice.0
-m 8192
-device pci-bridge,id=pci.2,chassis_nr=2,bus=pci.0,addr=0x1f
-device piix3-usb-uhci,id=uhci,bus=pci.0,addr=0x1.0x2
-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
-iscsi initiator-name=iqn.1993-08.org.debian.01.24b0d01a62a3
-drive if=none,id=drive-ide2,media=cdrom,aio=native
-device ide-cd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2,bootindex=200
-drive file=/var/lib/vz/images/126/vm-126-disk-1.qcow2,if=none,id=drive-virtio0,format=qcow2,bps_rd=10485760,bps_wr=10485760,aio=native,cache=none
-device virtio-blk-pci,drive=drive-virtio0,id=virtio0,bus=pci.0,addr=0xa,bootindex=100'
-netdev type=tap,id=net0,ifname=tap126i0,script=/var/lib/qemu-server/pve-bridge,downscript=/var/lib/qemu-server/pve-bridgedown,vhost=on
-device virtio-net-pci,romfile=,mac=82:EC:EA:1E:E8:90,netdev=net0,bus=pci.0,addr=0x12,id=net0
-rtc driftfix=slew,base=localtime
-global kvm-pit.lost_tick_policy=discard



----- Mail original -----

De: "Alexandre DERUMIER" <aderumier@odiso.com>
À: "qemu-devel" <qemu-devel@nongnu.org>
Envoyé: Mardi 12 Août 2014 12:51:31
Objet: [Qemu-devel] q35 : virtio-serial on pci bridge : bus not found

Hi, I can't use virtio-serial, with q35 machine, on a pci bridge (other devices works fine).


Is it a known bug ?


error message:
---------------
kvm: -device virtio-serial,id=spice,bus=pci.0,addr=0x9: Bus 'pci.0' not found


architecture is:

pcie.0
--->pcidmi (i82801b11-bridge)
------->pci.0 (pci-bridge)



/usr/bin/kvm -id 600 -chardev socket,id=qmp,path=/var/run/qemu-server/600.qmp,server,nowait
-mon chardev=qmp,mode=control -vnc unix:/var/run/qemu-server/600.vnc,x509,password
-pidfile /var/run/qemu-server/600.pid -daemonize -name tankrechner -smp sockets=1,cores=1
-nodefaults -boot menu=on -vga qxl -cpu kvm64,+lahf_lm,+x2apic,+sep
-spice tls-port=61002,addr=127.0.0.1,tls-ciphers=DES-CBC3-SHA,seamless-migration=on
-device virtio-serial,id=spice,bus=pci.0,addr=0x9
-chardev spicevmc,id=vdagent,name=vdagent
-device virtserialport,chardev=vdagent,name=com.redhat.spice.0
-m 1024
-readconfig /usr/share/qemu-server/pve-q35.cfg
-device piix3-usb-uhci,id=uhci,bus=pci.0,addr=0x1.0x2
-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
-drive if=none,id=drive-ide2,media=cdrom,aio=native
-device ide-cd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2,bootindex=200
-drive file=/mnt/vmfs-hdd-r5_3x698/images/600/vm-600-disk-1.raw,if=none,id=drive-virtio0,format=raw,aio=native,cache=none
-device virtio-blk-pci,drive=drive-virtio0,id=virtio0,bus=pci.0,addr=0xa,bootindex=100
-netdev type=tap,id=net0,ifname=tap600i0,script=/var/lib/qemu-server/pve-bridge,vhost=on
-device virtio-net-pci,mac=EA:07:3A:31:12:7F,netdev=net0,bus=pci.0,addr=0x12,id=net0,bootindex=300
-rtc driftfix=slew,base=localtime
-machine type=q35


with pve-q35.cfg

[device "ehci"]
driver = "ich9-usb-ehci1"
multifunction = "on"
bus = "pcie.0"
addr = "1d.7"

[device "uhci-1"]
driver = "ich9-usb-uhci1"
multifunction = "on"
bus = "pcie.0"
addr = "1d.0"
masterbus = "ehci.0"
firstport = "0"

[device "uhci-2"]
driver = "ich9-usb-uhci2"
multifunction = "on"
bus = "pcie.0"
addr = "1d.1"
masterbus = "ehci.0"
firstport = "2"

[device "uhci-3"]
driver = "ich9-usb-uhci3"
multifunction = "on"
bus = "pcie.0"
addr = "1d.2"
masterbus = "ehci.0"
firstport = "4"

[device "ehci-2"]
driver = "ich9-usb-ehci2"
multifunction = "on"
bus = "pcie.0"
addr = "1a.7"

[device "uhci-4"]
driver = "ich9-usb-uhci4"
multifunction = "on"
bus = "pcie.0"
addr = "1a.0"
masterbus = "ehci-2.0"
firstport = "0"

[device "uhci-5"]
driver = "ich9-usb-uhci5"
multifunction = "on"
bus = "pcie.0"
addr = "1a.1"
masterbus = "ehci-2.0"
firstport = "2"

[device "uhci-6"]
driver = "ich9-usb-uhci6"
multifunction = "on"
bus = "pcie.0"
addr = "1a.2"
masterbus = "ehci-2.0"
firstport = "4"

[device "audio0"]
driver = "ich9-intel-hda"
bus = "pcie.0"
addr = "1b.0"


[device "ich9-pcie-port-1"]
driver = "ioh3420"
multifunction = "on"
bus = "pcie.0"
addr = "1c.0"
port = "1"
chassis = "1"

[device "ich9-pcie-port-2"]
driver = "ioh3420"
multifunction = "on"
bus = "pcie.0"
addr = "1c.1"
port = "2"
chassis = "2"

[device "ich9-pcie-port-3"]
driver = "ioh3420"
multifunction = "on"
bus = "pcie.0"
addr = "1c.2"
port = "3"
chassis = "3"

[device "ich9-pcie-port-4"]
driver = "ioh3420"
multifunction = "on"
bus = "pcie.0"
addr = "1c.3"
port = "4"
chassis = "4"
[device "pcidmi"}
driver = "i82801b11-bridge"
bus = "pcie.0"
addr = "1e.0"

[device "pci.0"]
driver = "pci-bridge"
bus = "pcidmi"
addr = "1.0"
chassis_nr = "1"

[device "pci.1"]
driver = "pci-bridge"
bus = "pcidmi"
addr = "2.0"
chassis_nr = "2"

[device "pci.2"]
driver = "pci-bridge"
bus = "pcidmi"
addr = "3.0"
chassis_nr = "3"