[ZFSv28] Loader hangs, import failes, zfs filesystem unavailable.

From: Bartosz Stec <bartosz.stec_at_it4pro.pl>
Date: Thu, 02 Jun 2011 19:19:56 +0200
Hi list,
Today I needed to shut down my home server (FreeSBD9-CURRENT, 3 x 40GB 
ATA HDD in RADZ1, ZFS only, GPT, i386) for a moment. After power up, 
loader started to spin cursor indifinitely, and didn't load the kernel. 
No error messages, no hints, just spinning cursor.
I tried booting from other HDDs in case that bootstrap area errors on 
single hdd but no luck.
I wanted to play with latest current LiveFS snapshot (with ZFSv28 
support), but apparently latest one is from february??
Finally I ended with mfsBSD from http://mfsbsd.vx.sk/
I've downloaded "8.2-RELEASE-i386 with ZFSv28 special edition 
<http://mfsbsd.vx.sk/iso/mfsbsd-se-8.2-zfsv28-i386.iso>" iso, burned it 
and booted machine. Here's what happened when i was trying to import zpool:

    mfsbsd# zpool status
    no pools available
    mfsbsd# zpool import
       pool: zroot
         id: 16074929158756467860
      state: ONLINE
    status: The pool was last accessed by another system.
    action: The pool can be imported using its name or numeric
    identifier and
             the '-f' flag.
        see: http://www.sun.com/msg/ZFS-8000-EY
    config:

             zroot                                           ONLINE
               raidz1-0                                      ONLINE
                 gptid/2ea57c66-bc69-11df-8955-0050dad823cd  ONLINE
                 gptid/5bc92016-6852-11df-a16c-0050dad823cd  ONLINE
                 gptid/87d467cc-bc3b-11df-8066-0050dad823cd  ONLINE
    mfsbsd# zpool import -f zroot
    cannot import 'zroot': one or more devices is currently unavailable

There was also some kernel messages while running zpool commands, they 
are visible at the end of dmesg output:

    mfsbsd# dmesg
    Copyright (c) 1992-2011 The FreeBSD Project.
    Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
             The Regents of the University of California. All rights
    reserved.
    FreeBSD is a registered trademark of The FreeBSD Foundation.
    FreeBSD 8.2-RELEASE #2 r219081M: Wed Mar  2 10:29:25 CET 2011
         root_at_www4:/usr/obj/i386/usr/src_v28/sys/GENERIC i386
    Timecounter "i8254" frequency 1193182 Hz quality 0
    CPU: mobile AMD Athlon(tm) XP 2200+ (1800.08-MHz 686-class CPU)
       Origin = "AuthenticAMD"  Id = 0x681  Family = 6  Model = 8 
    Stepping = 1
      
    Features=0x383fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,MMX,FXSR,SSE>
       AMD Features=0xc0480800<SYSCALL,MP,MMX+,3DNow!+,3DNow!>
    real memory  = 2147483648 (2048 MB)
    avail memory = 2053263360 (1958 MB)
    ACPI APIC Table: <AMIINT VIA_K7 >
    ioapic0 <Version 0.3> irqs 0-23 on motherboard
    kbd1 at kbdmux0
    acpi0: <AMIINT VIA_K7> on motherboard
    acpi0: [ITHREAD]
    acpi0: Power Button (fixed)
    Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
    acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
    cpu0: <ACPI CPU> on acpi0
    acpi_button0: <Power Button> on acpi0
    pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
    pci0: <ACPI PCI bus> on pcib0
    agp0: <VIA 8367 (KT266/KY266x/KT333) host to PCI bridge> on hostb0
    agp0: aperture size is 128M
    pcib1: <PCI-PCI bridge> at device 1.0 on pci0
    pci1: <PCI bus> on pcib1
    vgapci0: <VGA-compatible display> mem
    0xdfe80000-0xdfefffff,0xd0000000-0xd7ffffff irq 16 at device 0.0 on pci1
    xl0: <3Com 3c905B-TX Fast Etherlink XL> port 0xec00-0xec7f mem
    0xdfffff80-0xdfffffff irq 17 at device 6.0 on pci0
    miibus0: <MII bus> on xl0
    xlphy0: <3Com internal media interface> PHY 24 on miibus0
    xlphy0:  10baseT, 10baseT-FDX, 10baseT-FDX-flow, 100baseTX,
    100baseTX-FDX, 100baseTX-FDX-flow, auto, auto-flow
    xl0: Ethernet address: 00:50:da:d8:23:cd
    xl0: [ITHREAD]
    rl0: <RealTek 8139 10/100BaseTX> port 0xe800-0xe8ff mem
    0xdffffe00-0xdffffeff irq 18 at device 7.0 on pci0
    miibus1: <MII bus> on rl0
    rlphy0: <RealTek internal media interface> PHY 0 on miibus1
    rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
    rl0: Ethernet address: 00:40:f4:b4:e9:3c
    rl0: [ITHREAD]
    uhci0: <VIA 83C572 USB controller> port 0xdc00-0xdc1f irq 21 at
    device 16.0 on pci0
    uhci0: [ITHREAD]
    usbus0: <VIA 83C572 USB controller> on uhci0
    uhci1: <VIA 83C572 USB controller> port 0xe000-0xe01f irq 21 at
    device 16.1 on pci0
    uhci1: [ITHREAD]
    usbus1: <VIA 83C572 USB controller> on uhci1
    uhci2: <VIA 83C572 USB controller> port 0xe400-0xe41f irq 21 at
    device 16.2 on pci0
    uhci2: [ITHREAD]
    usbus2: <VIA 83C572 USB controller> on uhci2
    ehci0: <VIA VT6202 USB 2.0 controller> mem 0xdffffd00-0xdffffdff irq
    21 at device 16.3 on pci0
    ehci0: [ITHREAD]
    usbus3: EHCI version 1.0
    usbus3: <VIA VT6202 USB 2.0 controller> on ehci0
    isab0: <PCI-ISA bridge> at device 17.0 on pci0
    isa0: <ISA bus> on isab0
    atapci0: <VIA 8235 UDMA133 controller> port
    0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xfc00-0xfc0f at device 17.1 on pci0
    ata0: <ATA channel 0> on atapci0
    ata0: [ITHREAD]
    ata1: <ATA channel 1> on atapci0
    ata1: [ITHREAD]
    pci0: <simple comms> at device 17.6 (no driver attached)
    acpi_button1: <Sleep Button> on acpi0
    fdc0: <floppy drive controller> port 0x3f2-0x3f3,0x3f4-0x3f5,0x3f7
    irq 6 drq 2 on acpi0
    fdc0: [FILTER]
    fd0: <1440-KB 3.5" drive> on fdc0 drive 0
    uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
    uart0: [FILTER]
    uart1: <16550 or compatible> port 0x2f8-0x2ff irq 3 on acpi0
    uart1: [FILTER]
    ppc0: <Parallel port> port 0x378-0x37f,0x778-0x77b irq 7 drq 3 on acpi0
    ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
    ppc0: FIFO with 16/16/9 bytes threshold
    ppc0: [ITHREAD]
    ppbus0: <Parallel port bus> on ppc0
    plip0: <PLIP network interface> on ppbus0
    plip0: [ITHREAD]
    lpt0: <Printer> on ppbus0
    lpt0: [ITHREAD]
    lpt0: Interrupt-driven port
    ppi0: <Parallel I/O> on ppbus0
    atrtc0: <AT realtime clock> port 0x70-0x71 irq 8 on acpi0
    atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
    atkbd0: <AT Keyboard> irq 1 on atkbdc0
    kbd0 at atkbd0
    atkbd0: [GIANT-LOCKED]
    atkbd0: [ITHREAD]
    pmtimer0 on isa0
    orm0: <ISA Option ROM> at iomem 0xc0000-0xc9fff pnpid ORM0000 on isa0
    sc0: <System console> at flags 0x100 on isa0
    sc0: VGA <16 virtual consoles, flags=0x300>
    vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on
    isa0
    acpi_throttle0: <ACPI CPU Throttling> on cpu0
    powernow0: <PowerNow! K7> on cpu0
    device_attach: powernow0 attach returned 6
    Timecounter "TSC" frequency 1800078810 Hz quality 800
    Timecounters tick every 1.000 msec
    md0: Preloaded image </mfsroot> 33923072 bytes at 0xc0fd9834
    usbus0: 12Mbps Full Speed USB v1.0
    usbus1: 12Mbps Full Speed USB v1.0
    usbus2: 12Mbps Full Speed USB v1.0
    usbus3: 480Mbps High Speed USB v2.0
    ad0: 39205MB <Maxtor 6E040L0 NAR61590> at ata0-master UDMA133
    ugen0.1: <VIA> at usbus0
    uhub0: <VIA UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
    ugen1.1: <VIA> at usbus1
    uhub1: <VIA UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1
    ugen2.1: <VIA> at usbus2
    uhub2: <VIA UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus2
    ugen3.1: <VIA> at usbus3
    uhub3: <VIA EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus3
    ad1: 38166MB <SAMSUNG SP0411N TW100-08> at ata0-slave UDMA100
    ad2: 39205MB <Maxtor 6E040L0 NAR61590> at ata1-master UDMA133
    uhub0: 2 ports with 2 removable, self powered
    uhub1: 2 ports with 2 removable, self powered
    uhub2: 2 ports with 2 removable, self powered
    acd0: DVDROM <TSSTcorpDVD-ROM TS-H352A/TS03> at ata1-slave UDMA33
    uhub3: 6 ports with 6 removable, self powered
    acd0: FAILURE - READ_BIG ILLEGAL REQUEST asc=0x64 ascq=0x00
    acd0: FAILURE - READ_BIG ILLEGAL REQUEST asc=0x64 ascq=0x00
    Trying to mount root from ufs:/dev/md0
    ZFS NOTICE: Prefetch is disabled by default on i386 -- to enable,
                 add "vfs.zfs.prefetch_disable=0" to /boot/loader.conf.
    ZFS WARNING: Recommended minimum kmem_size is 512MB; expect unstable
    behavior.
                  Consider tuning vm.kmem_size and vm.kmem_size_max
                  in /boot/loader.conf.
    ZFS filesystem version 5
    ZFS storage pool version 28
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented
    log_sysevent: type 19 is not implemented

And here is gpart output:

    mfsbsd# gpart show
    =>      34  80293181  ad0  GPT  (38G)
             34       128    1  freebsd-boot  (64K)
            162   2097152    2  freebsd-swap  (1.0G)
        2097314  76068013    3  freebsd-zfs  (36G)
       78165327   2127888       - free -  (1.0G)

    =>      34  78165293  ad1  GPT  (37G)
             34       128    1  freebsd-boot  (64K)
            162   2097152    2  freebsd-swap  (1.0G)
        2097314  76068013    3  freebsd-zfs  (36G)

    =>      34  80293181  ad2  GPT  (38G)
             34       128    1  freebsd-boot  (64K)
            162   2097152    2  freebsd-swap  (1.0G)
        2097314  76068013    3  freebsd-zfs  (36G)
       78165327   2127888       - free -  (1.0G)


Any idea what happened to the pool, why I am unable to boot and import 
it, and what can I do to investigate or fix this issue?

-- 
Bartosz Stec
Received on Thu Jun 02 2011 - 15:39:30 UTC

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