hast, zfs, unable to flush disk cache

[Chad M Stewart]

On Mar 1, 2013, at 2:25 PM, Mikolaj Golub wrote:

> What device do you have?

Its an older HP GL380 server, I think.   dmesg below, if you need output from something else I'm willing to provide.

Copyright (c) 1992-2012 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 9.1-RELEASE #0 r243826: Tue Dec  4 06:55:39 UTC 2012
    root at obrian.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386
CPU: Intel(R) Xeon(TM) CPU 2.80GHz (2784.59-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0xf27  Family = f  Model = 2  Stepping = 7
  Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
  Features2=0x4400<CNXT-ID,xTPR>
real memory  = 3221225472 (3072 MB)
avail memory = 3136851968 (2991 MB)
Event timer "LAPIC" quality 400
ACPI APIC Table: <COMPAQ 00000083>
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
FreeBSD/SMP: 2 package(s) x 1 core(s) x 2 HTT threads
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP/HT): APIC ID:  1
 cpu2 (AP): APIC ID:  6
 cpu3 (AP/HT): APIC ID:  7
ACPI Warning: Invalid length for Pm1aControlBlock: 32, using default 16 (20110527/tbfadt-638)
ACPI Warning: Invalid length for Pm1bControlBlock: 32, using default 16 (20110527/tbfadt-638)
MADT: Forcing active-low polarity and level trigger for SCI
ioapic0 <Version 1.1> irqs 0-15 on motherboard
ioapic1 <Version 1.1> irqs 16-31 on motherboard
ioapic2 <Version 1.1> irqs 32-47 on motherboard
ioapic3 <Version 1.1> irqs 48-63 on motherboard
kbd1 at kbdmux0
acpi0: <COMPAQ P29> on motherboard
acpi0: Power Button (fixed)
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
cpu2: <ACPI CPU> on acpi0
cpu3: <ACPI CPU> on acpi0
attimer0: <AT timer> port 0x40-0x43 irq 0 on acpi0
Timecounter "i8254" frequency 1193182 Hz quality 0
Event timer "i8254" frequency 1193182 Hz quality 100
Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
acpi_timer0: <32-bit timer at 3.579545MHz> port 0x920-0x923 on acpi0
pcib0: <ACPI Host-PCI bridge> on acpi0
pcib0: Length mismatch for 4 range: 2900 vs 28ff
pci0: <ACPI PCI bus> on pcib0
vgapci0: <VGA-compatible display> port 0x2400-0x24ff mem 0xf1000000-0xf1ffffff,0xf0ff0000-0xf0ff0fff at device 3.0 on pci0
pci0: <base peripheral> at device 4.0 (no driver attached)
pci0: <base peripheral> at device 4.2 (no driver attached)
isab0: <PCI-ISA bridge> at device 15.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <ServerWorks CSB5 UDMA100 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x2000-0x200f at device 15.1 on pci0
ata0: <ATA channel> at channel 0 on atapci0
ata1: <ATA channel> at channel 1 on atapci0
ohci0: <OHCI (generic) USB controller> mem 0xf0ef0000-0xf0ef0fff irq 7 at device 15.2 on pci0
usbus0 on ohci0
pcib1: <ACPI Host-PCI bridge> on acpi0
pcib1: Length mismatch for 4 range: 100 vs ff
pci1: <ACPI PCI bus> on pcib1
ciss0: <Compaq Smart Array 5i> port 0x3000-0x30ff mem 0xf2cc0000-0xf2cfffff,0xf2bf0000-0xf2bf3fff irq 30 at device 3.0 on pci1
ciss0: PERFORMANT Transport
pcib2: <ACPI Host-PCI bridge> on acpi0
pci2: <ACPI PCI bus> on pcib2
bge0: <Compaq NC7781 Gigabit Server Adapter, ASIC rev. 0x001002> mem 0xf2df0000-0xf2dfffff irq 29 at device 1.0 on pci2
bge0: CHIP ID 0x00001002; ASIC REV 0x01; CHIP REV 0x10; PCI-X 100 MHz
miibus0: <MII bus> on bge0
brgphy0: <BCM5703 1000BASE-T media interface> PHY 1 on miibus0
brgphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto, auto-flow
bge0: Ethernet address: 00:0b:cd:3c:fe:7f
bge1: <Compaq NC7781 Gigabit Server Adapter, ASIC rev. 0x001002> mem 0xf2de0000-0xf2deffff irq 31 at device 2.0 on pci2
bge1: CHIP ID 0x00001002; ASIC REV 0x01; CHIP REV 0x10; PCI-X 100 MHz
miibus1: <MII bus> on bge1
brgphy1: <BCM5703 1000BASE-T media interface> PHY 1 on miibus1
brgphy1:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto, auto-flow
bge1: Ethernet address: 00:0b:cd:3c:fe:7e
pcib3: <ACPI Host-PCI bridge> on acpi0
pci3: <ACPI PCI bus> on pcib3
pcib4: <ACPI Host-PCI bridge> on acpi0
pcib4: Length mismatch for 4 range: 2000 vs 1fff
pci6: <ACPI PCI bus> on pcib4
bge2: <Compaq NC7770 Gigabit Server Adapter, ASIC rev. 0x000105> mem 0xf7ff0000-0xf7ffffff irq 26 at device 2.0 on pci6
bge2: CHIP ID 0x00000105; ASIC REV 0x00; CHIP REV 0x01; PCI-X 33 MHz
miibus2: <MII bus> on bge2
brgphy2: <BCM5701 1000BASE-T media interface> PHY 1 on miibus2
brgphy2:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto, auto-flow
bge2: Ethernet address: 00:0b:cd:52:66:f1
pci6: <base peripheral, PCI hot-plug controller> at device 30.0 (no driver attached)
acpi_tz0: <Thermal Zone> 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]
uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
fdc0: <floppy drive controller (FDE)> port 0x3f2-0x3f5 irq 6 drq 2 on acpi0
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
pmtimer0 on isa0
orm0: <ISA Option ROMs> at iomem 0xc0000-0xc7fff,0xc8000-0xcbfff,0xcc000-0xcd7ff,0xcd800-0xcefff,0xee000-0xeffff 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
atrtc0: <AT realtime clock> at port 0x70 irq 8 on isa0
atrtc0: Warning: Couldn't map I/O.
Event timer "RTC" frequency 32768 Hz quality 0
ppc0: parallel port not found.
ctl: CAM Target Layer loaded
p4tcc0: <CPU Frequency Thermal Control> on cpu0
p4tcc1: <CPU Frequency Thermal Control> on cpu1
p4tcc2: <CPU Frequency Thermal Control> on cpu2
p4tcc3: <CPU Frequency Thermal Control> on cpu3
ZFS NOTICE: Prefetch is disabled by default on i386 -- to enable,
            add "vfs.zfs.prefetch_disable=0" to /boot/loader.conf.
ZFS filesystem version 5
ZFS storage pool version 28
Timecounters tick every 1.000 msec
usbus0: 12Mbps Full Speed USB v1.0
ugen0.1: <0x1166> at usbus0
uhub0: <0x1166 OHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
uhub0: 4 ports with 4 removable, self powered
da0 at ciss0 bus 0 scbus2 target 0 lun 0
da0: <COMPAQ RAID 0  VOLUME OK> Fixed Direct Access SCSI-0 device 
cd0 at ata0 bus 0 scbus0 target 0 lun 0
cd0: <COMPAQ CD-ROM SN-124 N104> Removable CD-ROM SCSI-0 device 
cd0: 16.700MB/s transfers (PIO4, ATAPI 12bytes, PIO 65534bytes)
cd0: Attempt to query device size failed: NOT READY, Medium not present
da0: 135.168MB/s transfers
da0: Command Queueing enabled
da0: 34727MB (71122560 512 byte sectors: 255H 32S/T 8716C)
da1 at ciss0 bus 0 scbus2 target 1 lun 0
da1: <COMPAQ RAID 0  VOLUME OK> Fixed Direct Access SCSI-0 device 
da1: 135.168MB/s transfers
da1: Command Queueing enabled
da1: 34727MB (71122560 512 byte sectors: 255H 32S/T 8716C)
da2 at ciss0 bus 0 scbus2 target 2 lun 0
da2: <COMPAQ RAID 0  VOLUME OK> Fixed Direct Access SCSI-0 device 
da2: 135.168MB/s transfers
da2: Command Queueing enabled
da2: 34727MB (71122560 512 byte sectors: 255H 32S/T 8716C)
da3 at ciss0 bus 0 scbus2 target 3 lun 0
da3: <COMPAQ RAID 0  VOLUME OK> Fixed Direct Access SCSI-0 device 
da3: 135.168MB/s transfers
da3: Command Queueing enabled
da3: 34727MB (71122560 512 byte sectors: 255H 32S/T 8716C)
da4 at ciss0 bus 0 scbus2 target 4 lun 0
da4: <COMPAQ RAID 0  VOLUME OK> Fixed Direct Access SCSI-0 device 
da4: 135.168MB/s transfers
da4: Command Queueing enabled
da4: 34727MB (71122560 512 byte sectors: 255H 32S/T 8716C)
da5 at ciss0 bus 0 scbus2 target 5 lun 0
da5: <COMPAQ RAID 0  VOLUME OK> Fixed Direct Access SCSI-0 device 
da5: 135.168MB/s transfers
da5: Command Queueing enabled
da5: 34727MB (71122560 512 byte sectors: 255H 32S/T 8716C)
SMP: AP CPU #1 Launched!
SMP: AP CPU #2 Launched!
SMP: AP CPU #3 Launched!
Trying to mount root from zfs:zroot/ROOT []...
carp0: link state changed to UP
carp1: link state changed to UP



-Chad