Re: [opensuse-virtual] Xen 4.8 upgrade missing /usr/bin/domu-xenstore, fails to start xencommons

7 Jan 2017


      With Xen cmdline containing

	loglvl=all guest_loglvl=all

between

	xl create -c opensuse.cfg

and the appearance of

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here's the @Dom0 output of `journalctl -f`

	Jan 07 10:23:12 xent.lanint systemd-udevd[918]: seq 3220 queued, 'add' 'xen-backend'
	Jan 07 10:23:12 xent.lanint systemd-udevd[918]: Validate module index
	Jan 07 10:23:12 xent.lanint systemd-udevd[918]: Check if link configuration needs reloading.
	Jan 07 10:23:12 xent.lanint systemd-udevd[918]: seq 3220 forked new worker [2464]
	Jan 07 10:23:12 xent.lanint systemd-udevd[2464]: seq 3220 running
	Jan 07 10:23:12 xent.lanint systemd-udevd[2464]: IMPORT builtin 'hwdb' /usr/lib/udev/rules.d/50-udev-default.rules:15
	Jan 07 10:23:12 xent.lanint systemd-udevd[2464]: IMPORT builtin 'hwdb' returned non-zero
	Jan 07 10:23:12 xent.lanint systemd-udevd[2464]: RUN 'kmod load $env{MODALIAS}' /usr/lib/udev/rules.d/80-drivers.rules:5
	Jan 07 10:23:12 xent.lanint systemd-udevd[2464]: Execute 'load' 'xen-backend:vbd'
	Jan 07 10:23:12 xent.lanint systemd-udevd[2464]: Inserted 'xen_blkback'
	Jan 07 10:23:12 xent.lanint root[2508]: /etc/xen/scripts/block: add XENBUS_PATH=backend/vbd/1/51712
	Jan 07 10:23:12 xent.lanint root[2511]: /etc/xen/scripts/block: add XENBUS_PATH=backend/vbd/1/51808
	Jan 07 10:23:12 xent.lanint root[2509]: /etc/xen/scripts/block: add XENBUS_PATH=backend/vbd/1/51776
	Jan 07 10:23:12 xent.lanint root[2510]: /etc/xen/scripts/block: add XENBUS_PATH=backend/vbd/1/51792
	Jan 07 10:23:13 xent.lanint kernel: tun: Universal TUN/TAP device driver, 1.6
	Jan 07 10:23:14 xent.lanint kernel: tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
	Jan 07 10:23:14 xent.lanint systemd-sysctl[2870]: Parsing /usr/lib/sysctl.d/50-coredump.conf
	Jan 07 10:23:14 xent.lanint systemd-sysctl[2870]: Parsing /usr/lib/sysctl.d/50-default.conf
	Jan 07 10:23:14 xent.lanint systemd-sysctl[2870]: Parsing /etc/sysctl.d/99-sysctl.conf
	Jan 07 10:23:14 xent.lanint systemd[2028]: sys-subsystem-net-devices-vif1.0\x2demu.device: Changed dead -> plugged
	Jan 07 10:23:14 xent.lanint systemd[2028]: sys-devices-virtual-net-vif1.0\x2demu.device: Changed dead -> plugged
	Jan 07 10:23:14 xent.lanint systemd[1]: sys-subsystem-net-devices-vif1.0\x2demu.device: Changed dead -> plugged
	Jan 07 10:23:14 xent.lanint systemd[1]: sys-devices-virtual-net-vif1.0\x2demu.device: Changed dead -> plugged
	Jan 07 10:23:14 xent.lanint systemd-sysctl[2876]: Parsing /usr/lib/sysctl.d/50-coredump.conf
	Jan 07 10:23:14 xent.lanint systemd-sysctl[2876]: Parsing /usr/lib/sysctl.d/50-default.conf
	Jan 07 10:23:14 xent.lanint systemd-sysctl[2876]: Parsing /etc/sysctl.d/99-sysctl.conf
	Jan 07 10:23:14 xent.lanint systemd[2028]: sys-subsystem-net-devices-vif1.0.device: Changed dead -> plugged
	Jan 07 10:23:14 xent.lanint systemd[2028]: sys-devices-vif\x2d1\x2d0-net-vif1.0.device: Changed dead -> plugged
	Jan 07 10:23:14 xent.lanint systemd[1]: sys-subsystem-net-devices-vif1.0.device: Changed dead -> plugged
	Jan 07 10:23:14 xent.lanint systemd[1]: sys-devices-vif\x2d1\x2d0-net-vif1.0.device: Changed dead -> plugged
	Jan 07 10:23:14 xent.lanint kernel: vif vif-1-0 vifT: renamed from vif1.0
	Jan 07 10:23:14 xent.lanint systemd[2028]: sys-subsystem-net-devices-vif1.0.device: Dev sys-subsystem-net-devices-vif1.0.device appeared twice with different sysfs paths /sys/devices/vif-1-0/net/vif1.0 and /sys/devices/vif-1-0/net/vifT
	Jan 07 10:23:14 xent.lanint systemd[2028]: sys-subsystem-net-devices-vifT.device: Changed dead -> plugged
	Jan 07 10:23:14 xent.lanint systemd[2028]: sys-devices-vif\x2d1\x2d0-net-vifT.device: Changed dead -> plugged
	Jan 07 10:23:14 xent.lanint systemd[1]: sys-subsystem-net-devices-vif1.0.device: Dev sys-subsystem-net-devices-vif1.0.device appeared twice with different sysfs paths /sys/devices/vif-1-0/net/vif1.0 and /sys/devices/vif-1-0/net/vifT
	Jan 07 10:23:14 xent.lanint systemd[1]: sys-subsystem-net-devices-vifT.device: Changed dead -> plugged
	Jan 07 10:23:14 xent.lanint kernel: br0: port 2(vifT) entered blocking state
	Jan 07 10:23:15 xent.lanint kernel: br0: port 2(vifT) entered disabled state
	Jan 07 10:23:15 xent.lanint kernel: device vifT entered promiscuous mode
	Jan 07 10:23:15 xent.lanint kernel: IPv6: ADDRCONF(NETDEV_UP): vifT: link is not ready
	Jan 07 10:23:15 xent.lanint kernel: vifT-emu: renamed from vif1.0-emu
	Jan 07 10:23:15 xent.lanint systemd[2028]: sys-subsystem-net-devices-vif1.0\x2demu.device: Dev sys-subsystem-net-devices-vif1.0\x2demu.device appeared twice with different sysfs paths /sys/devices/virtual/net/vif1.0-emu and /sys/devices/virtual/net/vifT-emu
	Jan 07 10:23:15 xent.lanint systemd[2028]: sys-subsystem-net-devices-vifT\x2demu.device: Changed dead -> plugged
	Jan 07 10:23:15 xent.lanint systemd[2028]: sys-devices-virtual-net-vifT\x2demu.device: Changed dead -> plugged
	Jan 07 10:23:15 xent.lanint kernel: br0: port 3(vifT-emu) entered blocking state
	Jan 07 10:23:15 xent.lanint kernel: br0: port 3(vifT-emu) entered disabled state
	Jan 07 10:23:15 xent.lanint kernel: device vifT-emu entered promiscuous mode
	Jan 07 10:23:15 xent.lanint kernel: br0: port 3(vifT-emu) entered blocking state
	Jan 07 10:23:15 xent.lanint kernel: br0: port 3(vifT-emu) entered listening state
	Jan 07 10:23:12 xent.lanint root[2649]: /etc/xen/scripts/block: Writing backend/vbd/1/51808/physical-device fe:10 to xenstore.
	Jan 07 10:23:12 xent.lanint root[2651]: /etc/xen/scripts/block: Writing backend/vbd/1/51808/physical-device-path /dev/dm-16 to xenstore.
	Jan 07 10:23:12 xent.lanint root[2653]: /etc/xen/scripts/block: Writing backend/vbd/1/51808/hotplug-status connected to xenstore.
	Jan 07 10:23:12 xent.lanint root[2719]: /etc/xen/scripts/block: Writing backend/vbd/1/51712/physical-device fe:d to xenstore.
	Jan 07 10:23:12 xent.lanint root[2721]: /etc/xen/scripts/block: Writing backend/vbd/1/51712/physical-device-path /dev/dm-13 to xenstore.
	Jan 07 10:23:12 xent.lanint root[2723]: /etc/xen/scripts/block: Writing backend/vbd/1/51712/hotplug-status connected to xenstore.
	Jan 07 10:23:13 xent.lanint root[2787]: /etc/xen/scripts/block: Writing backend/vbd/1/51776/physical-device fe:e to xenstore.
	Jan 07 10:23:13 xent.lanint root[2789]: /etc/xen/scripts/block: Writing backend/vbd/1/51776/physical-device-path /dev/dm-14 to xenstore.
	Jan 07 10:23:13 xent.lanint root[2791]: /etc/xen/scripts/block: Writing backend/vbd/1/51776/hotplug-status connected to xenstore.
	Jan 07 10:23:13 xent.lanint root[2853]: /etc/xen/scripts/block: Writing backend/vbd/1/51792/physical-device fe:f to xenstore.
	Jan 07 10:23:13 xent.lanint root[2855]: /etc/xen/scripts/block: Writing backend/vbd/1/51792/physical-device-path /dev/dm-15 to xenstore.
	Jan 07 10:23:13 xent.lanint root[2857]: /etc/xen/scripts/block: Writing backend/vbd/1/51792/hotplug-status connected to xenstore.
	Jan 07 10:23:13 xent.lanint root[2888]: /etc/xen/scripts/vif-bridge: online type_if=vif XENBUS_PATH=backend/vif/1/0
	Jan 07 10:23:13 xent.lanint root[2916]: /etc/xen/scripts/vif-bridge: Successful vif-bridge online for vifT, bridge br0.
	Jan 07 10:23:13 xent.lanint root[2917]: /etc/xen/scripts/vif-bridge: Writing backend/vif/1/0/hotplug-status connected to xenstore.
	Jan 07 10:23:13 xent.lanint root[2929]: /etc/xen/scripts/vif-bridge: add type_if=tap XENBUS_PATH=backend/vif/1/0
	Jan 07 10:23:13 xent.lanint root[2957]: /etc/xen/scripts/vif-bridge: Successful vif-bridge add for vifT-emu, bridge br0.
	Jan 07 10:23:16 xent.lanint kernel: xen-blkback: backend/vbd/1/51712: using 1 queues, protocol 1 (x86_64-abi)
	Jan 07 10:23:16 xent.lanint kernel: xen-blkback: backend/vbd/1/51776: using 1 queues, protocol 1 (x86_64-abi)
	Jan 07 10:23:16 xent.lanint kernel: xen-blkback: backend/vbd/1/51792: using 1 queues, protocol 1 (x86_64-abi)
	Jan 07 10:23:16 xent.lanint kernel: xen-blkback: backend/vbd/1/51808: using 1 queues, protocol 1 (x86_64-abi)
	Jan 07 10:23:17 xent.lanint kernel: br0: port 3(vifT-emu) entered learning state
	Jan 07 10:23:22 xent.lanint kernel: br0: port 3(vifT-emu) entered forwarding state
	Jan 07 10:23:22 xent.lanint kernel: br0: topology change detected, propagating

and here's the output @ Dom0 serial console

	(XEN) [2017-01-07 18:30:27] HVM3 save: CPU
	(XEN) [2017-01-07 18:30:27] HVM3 save: PIC
	(XEN) [2017-01-07 18:30:27] HVM3 save: IOAPIC
	(XEN) [2017-01-07 18:30:27] HVM3 save: LAPIC
	(XEN) [2017-01-07 18:30:27] HVM3 save: LAPIC_REGS
	(XEN) [2017-01-07 18:30:27] HVM3 save: PCI_IRQ
	(XEN) [2017-01-07 18:30:27] HVM3 save: ISA_IRQ
	(XEN) [2017-01-07 18:30:27] HVM3 save: PCI_LINK
	(XEN) [2017-01-07 18:30:27] HVM3 save: PIT
	(XEN) [2017-01-07 18:30:27] HVM3 save: RTC
	(XEN) [2017-01-07 18:30:27] HVM3 save: HPET
	(XEN) [2017-01-07 18:30:27] HVM3 save: PMTIMER
	(XEN) [2017-01-07 18:30:27] HVM3 save: MTRR
	(XEN) [2017-01-07 18:30:27] HVM3 save: VIRIDIAN_DOMAIN
	(XEN) [2017-01-07 18:30:27] HVM3 save: CPU_XSAVE
	(XEN) [2017-01-07 18:30:27] HVM3 save: VIRIDIAN_VCPU
	(XEN) [2017-01-07 18:30:27] HVM3 save: VMCE_VCPU
	(XEN) [2017-01-07 18:30:27] HVM3 save: TSC_ADJUST
	(XEN) [2017-01-07 18:30:27] HVM3 restore: CPU 0
	(d3) [2017-01-07 18:30:28] HVM Loader
	(d3) [2017-01-07 18:30:28] Detected Xen v4.8.0_01-466
	(d3) [2017-01-07 18:30:28] Xenbus rings @0xfeffc000, event channel 1
	(d3) [2017-01-07 18:30:28] System requested OVMF
	(d3) [2017-01-07 18:30:28] CPU speed is 3093 MHz
	(d3) [2017-01-07 18:30:28] Relocating guest memory for lowmem MMIO space disabled
	(d3) [2017-01-07 18:30:28] PCI-ISA link 0 routed to IRQ5
	(d3) [2017-01-07 18:30:28] PCI-ISA link 1 routed to IRQ10
	(d3) [2017-01-07 18:30:28] PCI-ISA link 2 routed to IRQ11
	(d3) [2017-01-07 18:30:28] PCI-ISA link 3 routed to IRQ5
	(d3) [2017-01-07 18:30:28] pci dev 01:3 INTA->IRQ10
	(d3) [2017-01-07 18:30:28] pci dev 02:0 INTA->IRQ11
	(d3) [2017-01-07 18:30:28] pci dev 04:0 INTA->IRQ5
	(d3) [2017-01-07 18:30:28] No RAM in high memory; setting high_mem resource base to 100000000
	(d3) [2017-01-07 18:30:28] pci dev 02:0 bar 14 size 001000000: 0f0000008
	(d3) [2017-01-07 18:30:28] pci dev 03:0 bar 10 size 001000000: 0f1000008
	(d3) [2017-01-07 18:30:28] pci dev 04:0 bar 30 size 000040000: 0f2000000
	(d3) [2017-01-07 18:30:29] pci dev 04:0 bar 10 size 000020000: 0f2040000
	(d3) [2017-01-07 18:30:29] pci dev 03:0 bar 30 size 000010000: 0f2060000
	(d3) [2017-01-07 18:30:29] pci dev 03:0 bar 18 size 000001000: 0f2070000
	(d3) [2017-01-07 18:30:29] pci dev 02:0 bar 10 size 000000100: 00000c001
	(d3) [2017-01-07 18:30:29] pci dev 04:0 bar 14 size 000000040: 00000c101
	(d3) [2017-01-07 18:30:29] pci dev 01:1 bar 20 size 000000010: 00000c141
	(d3) [2017-01-07 18:30:29] Multiprocessor initialisation:
	(d3) [2017-01-07 18:30:29]  - CPU0 ... 39-bit phys ... fixed MTRRs ... var MTRRs [1/8] ... do
	ne.
	(d3) [2017-01-07 18:30:29] Writing SMBIOS tables ...
	(d3) [2017-01-07 18:30:29] Loading OVMF ...
	(XEN) [2017-01-07 18:30:29] d3v0 Over-allocation for domain 3: 524545 > 524544
	(d3) [2017-01-07 18:30:29] Loading ACPI ...
	(d3) [2017-01-07 18:30:29] vm86 TSS at fc00a400
	(d3) [2017-01-07 18:30:29] BIOS map:
	(d3) [2017-01-07 18:30:29]  ffe00000-ffffffff: Main BIOS
	(d3) [2017-01-07 18:30:29] E820 table:
	(d3) [2017-01-07 18:30:29]  [00]: 00000000:00000000 - 00000000:000a0000: RAM
	(d3) [2017-01-07 18:30:29]  HOLE: 00000000:000a0000 - 00000000:000f0000
	(d3) [2017-01-07 18:30:29]  [01]: 00000000:000f0000 - 00000000:00100000: RESERVED
	(d3) [2017-01-07 18:30:29]  [02]: 00000000:00100000 - 00000000:7eeb5000: RAM
	(d3) [2017-01-07 18:30:29]  HOLE: 00000000:7eeb5000 - 00000000:fc000000
	(d3) [2017-01-07 18:30:29]  [03]: 00000000:fc000000 - 00000001:00000000: RESERVED
	(d3) [2017-01-07 18:30:29] Invoking OVMF ...

it stops there.
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Re: [opensuse-virtual] Xen 4.8 upgrade missing /usr/bin/domu-xenstore, fails to start xencommons

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