Hello,

I am trying to start a VMM guest based on the example commands in vmctl(8)
without luck. The guest is panicking like so:
===
panic: root filesystem has size 0
===

Here are the commands I use:
===
# vmctl create disk.img -s 4.5G
vmctl: imagefile created

# ls -lh disk.img
-rw-------  1 root  wheel   4.5G Nov  3 20:24 disk.img

# vmctl start "myvm" -m 512M -i 1 -d disk.img -k /bsd -c
Connected to /dev/ttyp4 (speed 9600)

[ using 1220352 bytes of bsd ELF symbol table ]
Copyright (c) 1982, 1986, 1989, 1991, 1993
        The Regents of the University of California.  All rights reserved.
Copyright (c) 1995-2016 OpenBSD. All rights reserved.  https://www.OpenBSD.org

OpenBSD 6.0-current (GENERIC.MP) #0: Wed Nov  2 18:41:56 MDT 2016
    dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
real mem = 520093696 (496MB)
avail mem = 499834880 (476MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0
acpi at bios0 not configured
cpu0 at mainbus0: (uniprocessor)
cpu0: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, 2493.68 MHz
cpu0: 
FPU,VME,DE,PSE,MSR,PAE,MCE,CX8,SEP,PGE,MCA,CMOV,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,SSSE3,CX16,SSE4.1,SSE4.2,POPCNT,AES,XSAVE,AVX,HV
cpu0: smt 0, core 0, package 0
pvbus0 at mainbus0: OpenBSD
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "OpenBSD VMM PCI Host Bridge" rev 0x00
virtio0 at pci0 dev 1 function 0 "Qumranet Virtio RNG" rev 0x00
viornd0 at virtio0
virtio0: irq 3
virtio1 at pci0 dev 2 function 0 "Qumranet Virtio Storage" rev 0x00
vioblk0 at virtio1
scsibus1 at vioblk0: 2 targets
sd0 at scsibus1 targ 0 lun 0: <VirtIO, Block Device, > SCSI3 0/direct fixed
sd0: 4608MB, 512 bytes/sector, 9437184 sectors
virtio1: irq 5
virtio2 at pci0 dev 3 function 0 "Qumranet Virtio Network" rev 0x00
vio0 at virtio2: address fe:e1:bb:d1:84:90
virtio2: irq 7
isa0 at mainbus0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns8250, no fifo
com0: console
vmm disabled by firmware
vmm at mainbus0 not configured
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
root on sd0a swap on sd0b dump on sd0b
panic: root filesystem has size 0
Stopped at      Debugger+0x9:   leave
   TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*    0      0      0     0x10000      0x200    0  swapper
Debugger() at Debugger+0x9
panic() at panic+0xfe
dk_mountroot() at dk_mountroot+0xf6
main() at main+0x56e
end trace frame: 0x0, count: 11
https://www.openbsd.org/ddb.html describes the minimum info required in bug
reports.  Insufficient info makes it difficult to find and fix bugs.
ddb{0}>
===

Output of vmd -dvvv when this happens:
===
# vmd -dvvv
startup
failed to open /etc/vm.conf: No such file or directory
vm_priv_ifconfig: interface tap0 description vm1-if0-myvm
myvm: started vm 14 successfully, tty /dev/ttyp4
run_vm: initializing hardware for vm myvm
run_vm: starting vcpu threads for vm myvm
vcpu_reset: resetting vcpu 0 for vm 14
run_vm: waiting on events for VM myvm
i8253_reset: unsupported counter mode 0xe
vmd: unknown exit reason 48
===

I notice the man-page runs "vmctl create" as an unspecified unprivileged
user so I have tried doing "chown _vmd:_vmd disk.img", placing disk.img
in "/home/vm" also owned by _vmd. I still get the same panic however.

Complete dmesg of the host system in case it is interesting:
===
OpenBSD 6.0-current (GENERIC.MP) #0: Wed Nov  2 18:41:56 MDT 2016
    dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
RTC BIOS diagnostic error 80<clock_battery>
real mem = 4156157952 (3963MB)
avail mem = 4025647104 (3839MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.6 @ 0xdae9c000 (67 entries)
bios0: vendor LENOVO version "8DET63WW (1.33 )" date 07/19/2012
bios0: LENOVO 429137G
acpi0 at bios0: rev 2
acpi0: sleep states S0 S3 S4 S5
acpi0: tables DSDT FACP SLIC SSDT SSDT SSDT HPET APIC MCFG ECDT ASF! TCPA SSDT 
SSDT UEFI UEFI UEFI
acpi0: wakeup devices LID_(S3) SLPB(S3) IGBE(S4) EXP4(S4) EXP7(S4) EHC1(S3) 
EHC2(S3) HDEF(S4)
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpihpet0 at acpi0: 14318179 Hz
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, 2492.32 MHz
cpu0: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC,SENSOR,ARAT
cpu0: 256KB 64b/line 8-way L2 cache
cpu0: smt 0, core 0, package 0
mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges
cpu0: apic clock running at 99MHz
cpu0: mwait min=64, max=64, C-substates=0.2.1.1.2, IBE
cpu1 at mainbus0: apid 1 (application processor)
cpu1: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, 2491.91 MHz
cpu1: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC,SENSOR,ARAT
cpu1: 256KB 64b/line 8-way L2 cache
cpu1: smt 1, core 0, package 0
cpu2 at mainbus0: apid 2 (application processor)
cpu2: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, 2491.91 MHz
cpu2: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC,SENSOR,ARAT
cpu2: 256KB 64b/line 8-way L2 cache
cpu2: smt 0, core 1, package 0
cpu3 at mainbus0: apid 3 (application processor)
cpu3: Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz, 2491.91 MHz
cpu3: 
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,AES,XSAVE,AVX,NXE,LONG,LAHF,PERF,ITSC,SENSOR,ARAT
cpu3: 256KB 64b/line 8-way L2 cache
cpu3: smt 1, core 1, package 0
ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins
acpimcfg0 at acpi0 addr 0xf8000000, bus 0-63
acpiec0 at acpi0
acpiprt0 at acpi0: bus 0 (PCI0)
acpiprt1 at acpi0: bus -1 (PEG_)
acpiprt2 at acpi0: bus 2 (EXP1)
acpiprt3 at acpi0: bus 3 (EXP2)
acpiprt4 at acpi0: bus 5 (EXP4)
acpiprt5 at acpi0: bus 13 (EXP5)
acpiprt6 at acpi0: bus -1 (EXP7)
acpicpu0 at acpi0: C3(350@104 io@0x415), C1(1000@1 halt), PSS
acpicpu1 at acpi0: C3(350@104 io@0x415), C1(1000@1 halt), PSS
acpicpu2 at acpi0: C3(350@104 io@0x415), C1(1000@1 halt), PSS
acpicpu3 at acpi0: C3(350@104 io@0x415), C1(1000@1 halt), PSS
acpipwrres0 at acpi0: PUBS, resource for EHC1, EHC2
acpitz0 at acpi0: critical temperature is 99 degC
acpibtn0 at acpi0: LID_
acpibtn1 at acpi0: SLPB
"PNP0303" at acpi0 not configured
"LEN0020" at acpi0 not configured
"SMO1200" at acpi0 not configured
acpibat0 at acpi0: BAT0 model "45N1025" serial 10076 type LION oem "LGC"
acpiac0 at acpi0: AC unit online
acpithinkpad0 at acpi0
"PNP0C14" at acpi0 not configured
"PNP0C14" at acpi0 not configured
acpidock0 at acpi0: GDCK not docked (0)
acpivideo0 at acpi0: VID_
acpivout at acpivideo0 not configured
acpivideo1 at acpi0: VID_
cpu0: Enhanced SpeedStep 2492 MHz: speeds: 2501, 2500, 2200, 2000, 1800, 1600, 
1400, 1200, 1000, 800 MHz
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel Core 2G Host" rev 0x09
inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 3000" rev 0x09
drm0 at inteldrm0
inteldrm0: msi
inteldrm0: 1366x768
wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation)
wsdisplay0: screen 1-5 added (std, vt100 emulation)
"Intel 6 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured
puc0 at pci0 dev 22 function 3 "Intel 6 Series KT" rev 0x04: ports: 1 com
com4 at puc0 port 0 apic 2 int 19: ns16550a, 16 byte fifo
com4: probed fifo depth: 0 bytes
em0 at pci0 dev 25 function 0 "Intel 82579LM" rev 0x04: msi, address 
3c:97:0e:31:e6:f0
ehci0 at pci0 dev 26 function 0 "Intel 6 Series USB" rev 0x04: apic 2 int 16
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 
addr 1
azalia0 at pci0 dev 27 function 0 "Intel 6 Series HD Audio" rev 0x04: msi
azalia0: codecs: Conexant CX20590, Intel/0x2805, using Conexant CX20590
audio0 at azalia0
ppb0 at pci0 dev 28 function 0 "Intel 6 Series PCIE" rev 0xb4: msi
pci1 at ppb0 bus 2
ppb1 at pci0 dev 28 function 1 "Intel 6 Series PCIE" rev 0xb4: msi
pci2 at ppb1 bus 3
iwn0 at pci2 dev 0 function 0 "Intel Centrino Advanced-N 6205" rev 0x34: msi, 
MIMO 2T2R, MoW, address 60:67:20:67:bc:24
ppb2 at pci0 dev 28 function 3 "Intel 6 Series PCIE" rev 0xb4: msi
pci3 at ppb2 bus 5
ppb3 at pci0 dev 28 function 4 "Intel 6 Series PCIE" rev 0xb4: msi
pci4 at ppb3 bus 13
sdhc0 at pci4 dev 0 function 0 "Ricoh 5U822 SD/MMC" rev 0x07: apic 2 int 16
sdhc0: SDHC 3.0, 50 MHz base clock
sdmmc0 at sdhc0: 4-bit, sd high-speed, mmc high-speed, dma
ehci1 at pci0 dev 29 function 0 "Intel 6 Series USB" rev 0x04: apic 2 int 23
usb1 at ehci1: USB revision 2.0
uhub1 at usb1 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 
addr 1
pcib0 at pci0 dev 31 function 0 "Intel QM67 LPC" rev 0x04
ahci0 at pci0 dev 31 function 2 "Intel 6 Series AHCI" rev 0x04: msi, AHCI 1.3
ahci0: port 0: 6.0Gb/s
scsibus1 at ahci0: 32 targets
sd0 at scsibus1 targ 0 lun 0: <ATA, Samsung SSD 840, DXM0> SCSI3 0/direct fixed 
naa.5002538550320b9c
sd0: 244198MB, 512 bytes/sector, 500118192 sectors, thin
ichiic0 at pci0 dev 31 function 3 "Intel 6 Series SMBus" rev 0x04: apic 2 int 18
iic0 at ichiic0
spdmem0 at iic0 addr 0x50: 4GB DDR3 SDRAM PC3-10600 SO-DIMM
isa0 at pcib0
isadma0 at isa0
pckbc0 at isa0 port 0x60/5 irq 1 irq 12
pckbd0 at pckbc0 (kbd slot)
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
wsmouse0 at pms0 mux 0
wsmouse1 at pms0 mux 0
pms0: Synaptics clickpad, firmware 8.1
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
aps0 at isa0 port 0x1600/31
vmm0 at mainbus0: VMX/EPT
uhub2 at uhub0 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 
2.00/0.00 addr 2
ugen0 at uhub2 port 3 "UPEK Biometric Coprocessor" rev 1.01/0.02 addr 3
ugen1 at uhub2 port 4 "Broadcom Corp Broadcom Bluetooth Device" rev 2.00/7.48 
addr 4
uhub3 at uhub2 port 5 configuration 1 interface 0 "Lenovo product 0x100a" rev 
2.00/0.00 addr 5
uvideo0 at uhub2 port 6 configuration 1 interface 0 "Chicony Electronics Co., 
Ltd. Integrated Camera" rev 2.00/8.54 addr 6
video0 at uvideo0
uhub4 at uhub1 port 1 configuration 1 interface 0 "Intel Rate Matching Hub" rev 
2.00/0.00 addr 2
uhidev0 at uhub4 port 2 configuration 1 interface 0 "Logitech USB-PS/2 Optical 
Mouse" rev 2.00/18.00 addr 3
uhidev0: iclass 3/1
ums0 at uhidev0: 6 buttons, Z dir
wsmouse2 at ums0 mux 0
umodem0 at uhub4 port 4 configuration 1 interface 1 "Lenovo F5521gw" rev 
2.00/0.00 addr 4
umodem0: data interface 2, has CM over data, has break
umodem0: status change notification available
ucom0 at umodem0
umodem1 at uhub4 port 4 configuration 1 interface 3 "Lenovo F5521gw" rev 
2.00/0.00 addr 4
umodem1: data interface 4, has CM over data, has break
umodem1: status change notification available
ucom1 at umodem1
umodem2 at uhub4 port 4 configuration 1 interface 9 "Lenovo F5521gw" rev 
2.00/0.00 addr 4
umodem2: data interface 10, has CM over data, has break
umodem2: status change notification available
ucom2 at umodem2
ugen2 at uhub4 port 4 configuration 1 "Lenovo F5521gw" rev 2.00/0.00 addr 4
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
root on sd0a (6fdbdf41520af6b2.a) swap on sd0b dump on sd0b
uhub5 at uhub3 port 4 configuration 1 interface 0 "Terminus Technology USB 2.0 
Hub" rev 2.00/1.11 addr 7
uhidev1 at uhub5 port 4 configuration 1 interface 0 "Logitech Logitech 
Illuminated Keyboard" rev 2.00/55.01 addr 8
uhidev1: iclass 3/1
ukbd0 at uhidev1: 8 variable keys, 6 key codes
wskbd1 at ukbd0 mux 1
wskbd1: connecting to wsdisplay0
uhidev2 at uhub5 port 4 configuration 1 interface 1 "Logitech Logitech 
Illuminated Keyboard" rev 2.00/55.01 addr 8
uhidev2: iclass 3/0, 16 report ids
uhid0 at uhidev2 reportid 3: input=7, output=0, feature=0
uhid1 at uhidev2 reportid 16: input=6, output=6, feature=0
softraid0: incorrect key or passphrase
sd1 at scsibus3 targ 1 lun 0: <OPENBSD, SR CRYPTO, 006> SCSI2 0/direct fixed
sd1: 205420MB, 512 bytes/sector, 420700170 sectors
===

-- 
Patrik Lundin

Reply via email to