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Date:      Fri, 8 Jun 2012 16:46:21 +0200
From:      Kurt Jaeger <lists@opsec.eu>
To:        freebsd-stable@freebsd.org
Subject:   Experience with Intel SATA and fbsd 8.3-amd64 ?
Message-ID:  <20120608144621.GA74475@home.opsec.eu>

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Hi!

I have a problem with some host: If I put heavy IO load on that
system, write errors happen, and then it crashes.

CPU: Intel(R) Core(TM) i3 CPU         540  @ 3.07GHz
RAM: 8 GB RAM with the following SATA controller:
OS: 8.3-REL amd64
Board (from dmidecode):
	Manufacturer: Intel Corporation
        Product Name: IRONLAKE & IBEX PEAK Chipset

The controller:

ahci0: <Intel 5 Series/3400 Series AHCI SATA controller> port 0x1840-0x1847,0x1814-0x1817,0x1818-0x181f,0x1810-0x1813,0x1820-0x183f mem 0xf4d04000-0xf4d047ff irq 19 at device 31.2 on pci0

pciconf -lvb says:

ahci0@pci0:0:31:2:      class=0x010601 card=0x3b208086 chip=0x3b228086 rev=0x06
hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'IBEX AHCI Controller(6Port) (Intel Q57 Express)'
    class      = mass storage
    subclass   = SATA
    bar   [10] = type I/O Port, range 32, base 0x1840, size  8, enabled
    bar   [14] = type I/O Port, range 32, base 0x1814, size  4, enabled
    bar   [18] = type I/O Port, range 32, base 0x1818, size  8, enabled
    bar   [1c] = type I/O Port, range 32, base 0x1810, size  4, enabled
    bar   [20] = type I/O Port, range 32, base 0x1820, size 32, enabled
    bar   [24] = type Memory, range 32, base 0xf4d04000, size 2048, enabled

AHCI is enabled.

This device is connected:

ada0 at ahcich2 bus 0 scbus2 target 0 lun 0
ada0: <ST91000640NS SN01> ATA-8 SATA 3.x device
ada0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada0: Command Queueing enabled
ada0: 953869MB (1953525168 512 byte sectors: 16H 63S/T 16383C)

I disabled soft-updates, and forced the filesystems to sync,
the errors still occure.

I tried different SATA cables, different ports on the board, different
drives, always the same.

So I suspect the controller -- has anyone experience with that controller ?

-- 
pi@opsec.eu            +49 171 3101372                         8 years to go !



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