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Date: Sat, 23 Jul 2011 00:46:20 +0400
From: Lev Serebryakov <lev@FreeBSD.org>
Organization: FreeBSD Project
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To: Alexander Motin <mav@FreeBSD.org>
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Cc: freebsd-hardware@freebsd.org
Subject: Re: ahci.ko / geom_mirror / zfs hangs up system when one of HDDs
	fauilts.
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Hello, Alexander.
You wrote 22 =E8=FE=EB=FF 2011 =E3., 20:22:46:

>>  Screenshot of LARA console in such case is attached.
> Kernel messages look like if controller or device stuck, unable to
> complete some command and can't recover from that condition even after
> device hard reset. I don't see what driver can do about it, except being
> more aggressive in dropping faulty device after several consecutive
> timeouts. If that is not a wanted way out, start from updating card BIOS
> and devices firmware.
  It is very common hardware: ICH10 on MS-7522 (MSI X58 Platinum) motherboa=
rd:

ahci0: <Intel ICH10 AHCI SATA controller> port 0xb000-0xb007,0xac00-0xac03,=
0xa880-0xa887,0xa800-0xa803,0xa480-0xa49f mem 0xf9ffa000-0xf9ffa7ff irq 19 =
at device 31.2 on pci0
ahci0: [ITHREAD]
ahci0: AHCI v1.20 with 6 3Gbps ports, Port Multiplier not supported

  And Samsung F3 drive:

ada1 at ahcich1 bus 0 scbus1 target 0 lun 0
ada1: <SAMSUNG HD754JJ 1AJ10001> ATA-8 SATA 2.x device
ada1: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)
ada1: Command Queueing enabled
ada1: 715404MB (1465149168 512 byte sectors: 16H 63S/T 16383C)

  I'm not sure, that it is possible to update firmware on these
drives. And MoBo BIOS looks like latest one.

--=20
// Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>