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Date: Sat, 26 Jul 2008 20:19:58 +0100
From: Randy Bush <randy@psg.com>
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Cc: freebsd-fs@freebsd.org
Subject: work0 drive
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hardware problem caused looping page fault problems.

scrub cored

i zpool remove'd the offending drive for the moment and the system works.

randy

---

acd0: CDROM <CD-224E-N/1.AA> at ata0-slave UDMA33
ad4: 305245MB <Seagate ST3320620AS 3.AAK> at ata2-master SATA150
ad6: 305245MB <Seagate ST3320620AS 3.AAK> at ata3-master SATA150
ad8: 305245MB <Seagate ST3320620AS 3.AAE> at ata4-master SATA150
ad10: 305245MB <Seagate ST3320620AS 3.AAK> at ata5-master SATA150
SMP: AP CPU #1 Launched!
GEOM_MIRROR: Device mirror/boot launched (1/2).
GEOM_MIRROR: Device boot: rebuilding provider ad4s1.
Trying to mount root from ufs:/dev/mirror/boota
WARNING: / was not properly dismounted
Loading configuration files.
dumpon: /dev/ad4s1b: No such file or directory
Entropy harvesting: interrupts ethernet point_to_point kickstart.
swapon: adding /dev/mirror/bootb as swap device
Starting file system checks:
/dev/mirror/boota: 2690 files, 185913 used, 3875150 free (3686 frags,
483933 blocks, 0.1% fragmentation)
Setting hostuuid: 7634a964-b127-0430-c299-00304891d708.
Setting hostid: 0xeebf67d9.
Mounting local file systems:.
ad6: FAILURE - READ_DMA status=51<READY,DSC,ERROR> error=40<UNCORRECTABLE>

Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address   = 0x0
fault code              = supervisor read data, page not present
instruction pointer     = 0x8:0xffffffff801aaa06
stack pointer           = 0x10:0xffffffff80a64bc0
frame pointer           = 0x10:0x51
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 3 (g_up)
trap number             = 12
panic: page fault
cpuid = 1