install on APU2 fails

Chuck Musser cmusser at
Wed Jun 20 13:10:45 PDT 2018


I tried to install from the 5.2.2 USB image onto a PCEngines APU2, but it panics. The message at the end of the log is:

Mounting root from ufs:da8s2a
no disk named 'da8s2a'
setrootbyname failed
ffs_mountroot: can't find rootvp
Root mount failed: 6

Manual root filesystem specification:
  <fstype>:<device>  Specify root (e.g. ufs:da0s1a)
  ?                  List valid disk boot devices
  panic              Just panic

This little machine currently runs 4.7, which was installed via a USB stick image a while back. It's a small single board x86 PC with a serial port and no video hardware. I tried a couple other things: used the same stick to boot a more "normal" PC (a Dell Optiplex 760), just to see if there was something wrong with the USB stick. That worked fine. I also tried the 5.0.2 image on the APU2, but got the same error. The log from the 5.0.2 is below.

I wonder if there now needs to be a special command to select the proper root device. Might be a little tricky to type in, because the serial port starts out at 115200 baud and then changes to 9600 early in the boot process.

Any ideas?


p.s.: 5.0.2 boot log.

Booting in 0 seconds... 
 ernel text=0xa69fe0 data=0x10c4aa0 syms=[0x8+0xe90e8+0x8+0x
acpi.ko size 0xe0188 at 0x20c5000 
ehci.ko size 0xcff0 at 0x21a6000
xhci.ko size 0xd350 at 0x21b3000 
dm.ko size 0x15ed0 at 0x21c1000
|Copyright (c) 2003-2017 The DragonFly Project.
Copyright (c) 1992-2003 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992
        The Regents of the University of California. All rig
DragonFly v5.0.2-RELEASE #4: Sun Dec  3 17:42:25 EST 2017
    root at
TSC invariant clock: 998132273 Hz
CPU: AMD GX-412TC SOC                                (998.13
  Origin = "AuthenticAMD"  Id = 0x730f01  Stepping = 1
  AMD Features=0x2e500800<SYSCALL,NX,MMX+,FFXSR,Page1GB,RDTS
  AMD Features2=0x1d4037ff<LAHF,CMP,SVM,ExtAPIC,CR8,ABM,SSE4L2I>
  Structured Extended Features=0x8<BMI1>
real memory  = 2011482112 (1918 MB)
avail memory = 1846026240 (1760 MB)
   LAPIC AMD elvt0: 0x00010000
   LAPIC AMD elvt1: 0x00010000
   LAPIC AMD elvt2: 0x00010000
   LAPIC AMD elvt3: 0x00010000
lapic: divisor index 0, frequency 49906551 Hz
Compute unit iDS:
srat_probe: can't locate SRAT
SMI Frequency (worst case): 37037 Hz (27 us)
Initialize MI interrupts
wdog: In-kernel automatic watchdog reset enabled
kbd0 at kbdmux0
md0: Malloc disk
interrupt uses mplock: swi_taskq
ACPI: RSDP 0x00000000000F30E0 000024 (v02 CORE  )
ACPI: XSDT 0x0000000077FB80E0 00005C (v01 CORE   COREBOOT 00
ACPI: FACP 0x0000000077FB96F0 0000F4 (v04 CORE   COREBOOT 00
ACPI: DSDT 0x0000000077FB8250 001496 (v02 AMD    COREBOOT 00
ACPI: FACS 0x0000000077FB8210 000040
ACPI: SSDT 0x0000000077FB97F0 000045 (v02 CORE   COREBOOT 00
ACPI: APIC 0x0000000077FB9840 00007E (v01 CORE   COREBOOT 00
ACPI: HEST 0x0000000077FB98C0 0001D0 (v01 CORE   COREBOOT 00
ACPI: SSDT 0x0000000077FB9A90 0048A6 (v02 AMD    AGESA    00
ACPI: SSDT 0x0000000077FBE340 0007C8 (v01 AMD    AGESA    00
ACPI: HPET 0x0000000077FBEB10 000038 (v01 CORE   COREBOOT 00
cryptosoft0: <software crypto> on motherboard
aesni0: <AES-CBC,AES-XTS> on motherboard
padlock0: No ACE support.
rdrand0: No RdRand support.
acpi0: <CORE COREBOOT> on motherboard
ACPI: Executed 1 blocks of module-level executable AML code
ACPI: 4 ACPI AML tables successfully acquired and loaded
ACPI FADT: SCI testing interrupt mode ...
ACPI FADT: SCI select level/low
acpi0: Power Button (fixed)
acpi_timer0 on acpi0
acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0x
acpi_hpet0: frequency 14318180
acpi_button0: <Power Button> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff iomem 0x7f000
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> at device 2.2 on pci0
pci1: <ACPI PCI bus> on pcib1
igb0: <Intel(R) PRO/1000 I211_COPPER> port 0x1000-0x101f memi1
igb0: MAC address: 00:0d:b9:41:44:c0
pcib2: <ACPI PCI-PCI bridge> at device 2.3 on pci0
pci2: <ACPI PCI bus> on pcib2
igb1: <Intel(R) PRO/1000 I211_COPPER> port 0x2000-0x201f memi2
igb1: MAC address: 00:0d:b9:41:44:c1
pcib3: <ACPI PCI-PCI bridge> at device 2.4 on pci0
pci3: <ACPI PCI bus> on pcib3
igb2: <Intel(R) PRO/1000 I211_COPPER> port 0x3000-0x301f memi3
igb2: MAC address: 00:0d:b9:41:44:c2
pci0: <encrypt/decrypt> (vendor 0x1022, dev 0x1537) at devic
xhci0: <XHCI (generic) USB 3.0 controller> mem 0xfeb22000-0x
xhci0: 32 bytes context size, 32-bit DMA
usbus0 on xhci0
usbus0: 5.0Gbps Super Speed USB v3.0
atapci0: <AMD ATA controller> port 0x4000-0x400f,0x4024-0x40b253ff at device 17.0 on pci0
interrupt uses mplock: atapci0
ugen0.1: <0x1022> at usbus0
uhub0: <0x1022 XHCI root HUB, class 9/0, rev 3.00/1.00, addr
ata2: <ATA channel 0> on atapci0
ad4: 15272MB <SATA SSD S9FM02.3> at ata2-master UDMA33
ata3: <ATA channel 1> on atapci0
ehci0: <EHCI (generic) USB 2.0 controller> mem 0xfeb25400-0x
usbus1: EHCI version 1.0
usbus1 on ehci0
usbus1: 480Mbps High Speed USB v2.0
pci0: <serial bus, SMBus> (vendor 0x1022, dev 0x780b) at dev
ugen1.1: <AMD> at usbus1
uhub1: <AMD EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1>
uhub0: 4 ports with 4 removable, self powered
isab0: <PCI-ISA bridge> at device 20.3 on pci0
isa0: <ISA bus> on isab0
sdhci_pci0: <Generic SD HCI> mem 0xfeb25500-0xfeb255ff at de
sdhci_pci0: 1 slot(s) allocated
sio0: configured irq 4 not in bitmap of probed irqs 0
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 on
sio0: type 16550, console
cpu0: <ACPI CPU> on acpi0
cpu_cst0: <ACPI CPU C-State> on cpu0
cpu_pst0: <ACPI CPU P-State> on cpu0
cpu1: <ACPI CPU> on acpi0
cpu_cst1: <ACPI CPU C-State> on cpu1
cpu_pst1: <ACPI CPU P-State> on cpu1
cpu2: <ACPI CPU> on acpi0
cpu_cst2: <ACPI CPU C-State> on cpu2
cpu_pst2: <ACPI CPU P-State> on cpu2
cpu3: <ACPI CPU> on acpi0
cpu_cst3: <ACPI CPU C-State> on cpu3
cpu_pst3: <ACPI CPU P-State> on cpu3
ACPI: Enabled 4 GPEs in block 00 to 1F
orm0: <ISA Option ROMs> at iomem 0xc0000-0xc0fff,0xef000-0xe
pmtimer0 on isa0
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0x
device_probe_and_attach: vga0 attach returned 6
sio2: configured irq 3 not in bitmap of probed irqs 0
sio2 at port 0x2f8-0x2ff irq 3 on isa0
sio2: type 16550A
hpt27xx: no controller detected.
CAM: Configuring 2 busses
CAM: finished configuring all busses
uhub1: 2 ports with 2 removable, self powered
ugen0.2: <vendor 0x13fe> at usbus0
umass0: <vendor 0x13fe USB DISK 3.0, class 0/0, rev 3.00/1.1
ugen1.2: <vendor 0x0438> at usbus1
uhub2: <vendor 0x0438 product 0x7900, class 9/0, rev 2.00/0.
uhub2: 4 ports with 4 removable, self powered
Device Mapper version 4.16.0 loaded
dm_target_error: Successfully initialized
dm_target_zero: Successfully initialized
Mounting root from ufs:da8s2a
no disk named 'da8s2a'
setrootbyname failed
ffs_mountroot: can't find rootvp
Root mount failed: 6

Manual root filesystem specification:
  <fstype>:<device>  Specify root (e.g. ufs:da0s1a)
  ?                  List valid disk boot devices
  panic              Just panic

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