From owner-freebsd-hackers@FreeBSD.ORG  Wed Sep 14 15:04:58 2005
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From: "Roger O. Svenning" <roger@audioweb.no>
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Date: Wed, 14 Sep 2005 17:05:00 +0200
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Subject: Intel 6300ESB SATA and TIMEOUT - WRITE_DMA
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Hi

I've browsed several topics on the 6300ESB SATA but found no definite
answers.

Like other people I'm getting messages like this:
Sep 14 16:17:39 nwn kernel: ad2: TIMEOUT - WRITE_DMA retrying (2 retries
left) LBA=3D181559215
Sep 14 16:17:49 nwn kernel: ad2: TIMEOUT - WRITE_DMA retrying (2 retries
left) LBA=3D178887855
Sep 14 16:18:25 nwn kernel: ad2: TIMEOUT - WRITE_DMA retrying (2 retries
left) LBA=3D177772175
Sep 14 16:18:54 nwn kernel: ad2: TIMEOUT - WRITE_DMA retrying (2 retries
left) LBA=3D181145967
Sep 14 16:48:25 nwn kernel: ad2: TIMEOUT - READ_DMA retrying (2 retries
left) LBA=3D111173359

Entire system is brand new.

Tried to cvsup and rebuild the system today, still get the same errors
and terrible disk performance.

Anybody knows the status on this controller, possible fixes or planned
fixes?


uname:
FreeBSD nwn.patnix.nl 5.4-STABLE FreeBSD 5.4-STABLE #0: Wed Sep 14
15:20:01 UTC 2005

dmesg extract:
Sep 14 16:06:41 nwn kernel: atapci0: <Intel 6300ESB SATA150 controller>
port 0xf000-0xf00f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 irq 18 at device
31.2 on pci0
Sep 14 16:06:41 nwn kernel: acd0: DVDROM <TOSHIBA ODD-DVD SD-C2712/1031>
at ata0-slave PIO4
Sep 14 16:06:41 nwn kernel: ad2: 117800MB <HDS722512VLSA80/V33OA63A>
[239340/16/63] at ata1-master SATA150
Sep 14 16:06:41 nwn kernel: ad3: 117800MB <HDS722512VLSA80/V33OA63A>
[239340/16/63] at ata1-slave SATA150

Regards

Roger O. Svenning
Bod=F8 - Norway