8.1-RELEASE ZFS hangs

[Sergey Zaharchenko]

Hello Matthias!

Wed, Sep 08, 2010 at 10:07:27AM +0200 you wrote:

> Could you give more information about the hardware you are using (disk
> controller in particular) and /boot/loader.conf output.

The controller is a RocketRAID 3540 SATA Controller in single-disk mode:

hptiop0: adapter at PCI 5:0:0, IRQ 16
hptiop0: <RocketRAID 3540 SATA Controller> mem 0xdd800000-0xddffffff irq 16 at device 0.0 on pci5
hptiop0: 0 RocketRAID 3xxx/4xxx controller driver v1.3 (010208)
hptiop0: [GIANT-LOCKED]
hptiop0: [ITHREAD]

The disks are 8 identical disks like:
da0 at hptiop0 bus 0 scbus0 target 0 lun 0
da0: <HPT DISK 0_0 4.00> Fixed Direct Access SCSI-5 device 
da0: 1907348MB (3906250000 512 byte sectors: 255H 63S/T 243152C)

CPU: Intel(R) Xeon(TM) CPU 2.80GHz (2822.53-MHz K8-class CPU)
  Origin = "GenuineIntel"  Id = 0xf41  Family = f  Model = 4  Stepping = 1
  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=0x641d<SSE3,DTES64,MON,DS_CPL,CNXT-ID,CX16,xTPR>
  AMD Features=0x20100800<SYSCALL,NX,LM>
  TSC: P-state invariant
real memory  = 8589934592 (8192 MB)
avail memory = 8259899392 (7877 MB)
ACPI APIC Table: <PTLTD          APIC  >
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

FWIW most of it is in my original email...

/bot/loader.conf has:

mac_bsdextended_load="YES"
vfs.zfs.zil_disable=1
vfs.zfs.prefetch_disable=1

No, mac_bsdextended has nothing to do with it.

Thanks,

-- 
Sergey Zaharchenko
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