This is the output when I tried to create a vm in a nested xen. I looked up
into the source and found error -22 presents invalid arguments. What might be
the cause?
(XEN) event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(XEN)
event_channel.c:272:d0 EVTCHNOP failure: domain 1, error -22(d1) HVM Loader(d1)
Detected Xen v4.4.1(d1) Xenbus rings @0xfeffc000, event channel 3(d1) System
requested SeaBIOS(d1) CPU speed is 1600 MHz(d1) Relocating guest memory for
lowmem MMIO space disabled(XEN) irq.c:270: Dom1 PCI link 0 changed 0 -> 5(d1)
PCI-ISA link 0 routed to IRQ5(XEN) irq.c:270: Dom1 PCI link 1 changed 0 ->
10(d1) PCI-ISA link 1 routed to IRQ10(XEN) irq.c:270: Dom1 PCI link 2 changed 0
-> 11(d1) PCI-ISA link 2 routed to IRQ11(XEN) irq.c:270: Dom1 PCI link 3
changed 0 -> 5(d1) PCI-ISA link 3 routed to IRQ5(d1) pci dev 01:3
INTA->IRQ10(d1) pci dev 02:0 INTA->IRQ11(d1) pci dev 04:0 INTA->IRQ5(d1) No RAM
in high memory; setting high_mem resource base to 100000000(d1) pci dev 03:0
bar 10 size 002000000: 0f0000008(d1) pci dev 02:0 bar 14 size 001000000:
0f2000008(d1) pci dev 04:0 bar 30 size 000040000: 0f3000000(d1) pci dev 03:0
bar 30 size 000010000: 0f3040000(d1) pci dev 03:0 bar 14 size 000001000:
0f3050000(d1) pci dev 02:0 bar 10 size 000000100: 00000c001(d1) pci dev 04:0
bar 10 size 000000100: 00000c101(d1) pci dev 04:0 bar 14 size 000000100:
0f3051000(d1) pci dev 01:1 bar 20 size 000000010: 00000c201(d1) Multiprocessor
initialisation:(d1) - CPU0 ... 46-bit phys ... fixed MTRRs ... var MTRRs [2/8]
... done.(d1) Testing HVM environment:(d1) - REP INSB across page boundaries
... passed(d1) - GS base MSRs and SWAPGS ... passed(d1) Passed 2 of 2
tests(d1) Writing SMBIOS tables ...(d1) Loading SeaBIOS ...(d1) Creating MP
tables ...(d1) Loading ACPI ...(d1) vm86 TSS at fc00a080(d1) BIOS map:(d1)
10000-100d3: Scratch space(d1) e0000-fffff: Main BIOS(d1) E820 table:(d1)
[00]: 00000000:00000000 - 00000000:000a0000: RAM(d1) HOLE: 00000000:000a0000 -
00000000:000e0000(d1) [01]: 00000000:000e0000 - 00000000:00100000:
RESERVED(d1) [02]: 00000000:00100000 - 00000000:1f800000: RAM(d1) HOLE:
00000000:1f800000 - 00000000:fc000000(d1) [03]: 00000000:fc000000 -
00000001:00000000: RESERVED(d1) Invoking SeaBIOS ...(d1) SeaBIOS (version
rel-1.7.3.1-0-g7d9cbe6-20151216_104417-ubuntu-hvm)(d1)(d1) Found Xen hypervisor
signature at 40000000(d1) xen: copy e820...(d1) Relocating init from 0x000e4161
to 0x1f7e2950 (size 54768)(d1) CPU Mhz=1600(d1) Found 7 PCI devices (max PCI
bus is 00)(d1) Allocated Xen hypercall page at 1f7ff000(d1) Detected Xen
v4.4.1(d1) xen: copy BIOS tables...(d1) Copying SMBIOS entry point from
0x00010010 to 0x000f1740(d1) Copying MPTABLE from 0xfc001130/fc001140 to
0x000f1660(d1) Copying PIR from 0x00010030 to 0x000f15e0(d1) Copying ACPI RSDP
from 0x000100b0 to 0x000f15b0(d1) Using pmtimer, ioport 0xb008, freq 3579
kHz(d1) Scan for VGA option rom(d1) WARNING! Found unaligned PCI rom
(vd=1013:00b8)(d1) Running option rom at c000:0003(XEN) stdvga.c:147:d1
entering stdvga and caching modes(d1) Turning on vga text mode console(d1)
SeaBIOS (version rel-1.7.3.1-0-g7d9cbe6-20151216_104417-ubuntu-hvm)(d1) Machine
UUID 71c7de52-a5ed-484b-9ebc-805378916ea9(d1) Found 0 lpt ports(d1) Found 0
serial ports(d1) ATA controller 1 at 1f0/3f4/c200 (irq 14 dev 9)(d1) ATA
controller 2 at 170/374/c208 (irq 15 dev 9)(d1) ata0-0: QEMU HARDDISK ATA-7
Hard-Disk (5120 MiBytes)(d1) Searching bootorder for:
/pci@i0cf8/*@1,1/drive@0/disk@0(d1) DVD/CD [ata1-0: QEMU DVD-ROM ATAPI-4
DVD/CD](d1) Searching bootorder for: /pci@i0cf8/*@1,1/drive@1/disk@0(d1) PS2
keyboard initialized(d1) All threads complete.(d1) Scan for option roms(d1)
Running option rom at c900:0003(d1) pmm call arg1=1(d1) pmm call arg1=0(d1) pmm
call arg1=1(d1) pmm call arg1=0(d1) Searching bootorder for:
/pci@i0cf8/*@4(d1)(d1) Press F12 for boot menu.(d1)(d1) Searching bootorder
for: HALT(d1) drive 0x000f1560: PCHS=10402/16/63 translation=lba
LCHS=652/255/63 s=10485760(d1) Space available for UMB: ca000-ee800,
f0000-f1500(d1) Returned 61440 bytes of ZoneHigh(d1) e820 map has 6 items:(d1)
0: 0000000000000000 - 000000000009fc00 = 1 RAM(d1) 1: 000000000009fc00 -
00000000000a0000 = 2 RESERVED(d1) 2: 00000000000f0000 - 0000000000100000 = 2
RESERVED(d1) 3: 0000000000100000 - 000000001f7ff000 = 1 RAM(d1) 4:
000000001f7ff000 - 000000001f800000 = 2 RESERVED(d1) 5: 00000000fc000000 -
0000000100000000 = 2 RESERVED(d1) enter handle_19:(d1) NULL(d1) Booting from
Hard Disk...(d1) Booting from 0000:7c00(XEN) stdvga.c:151:d1 leaving
stdvga(XEN) irq.c:373: Dom1 callback via changed to Direct Vector 0xf3(XEN)
irq.c:270: Dom1 PCI link 0 changed 5 -> 0(XEN) irq.c:270: Dom1 PCI link 1
changed 10 -> 0(XEN) irq.c:270: Dom1 PCI link 2 changed 11 -> 0(XEN) irq.c:270:
Dom1 PCI link 3 changed 5 -> 0(XEN) grant_table.c:290:d0 Increased maptrack
size to 2 frames
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