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Date:      Wed, 19 Sep 2012 14:35:05 +0200
From:      Neal Nelson <nealie@kobudo.homeunix.net>
To:        stable@freebsd.org
Subject:   Discs not spinning down for 9.1
Message-ID:  <25859450-4D24-469F-87D3-1314BB1CA509@kobudo.homeunix.net>

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HI all.

I have recently updated to the new ATA system and I have a problem in =
that the SATA discs on my Promise PDC40718 controller do not spin down =
on power off. This operated perfectly before using the old ATA system.

After all buffers have synced, I get messages of the following ilk (hand =
transcribed unfortunately):

(ada1:ata3:0:0:0): STANDBY_IMMEDIATE. ACB: e0 00 00 00 00 40 00 00 00 00 =
00 00
(ada1:ata3:0:0:0): CAM status: Command timeout
(ada1:ata3:0:0:0): Error 5, Retries exhausted
(ada1:ata3:0:0:0): Spin-down disk failed

This doesn't happen for the built in SATA controller on the Intel ICH7 =
as far as I can tell, only for discs on the Promise PDC40718.

I am running 9.1-RC1 #1 amd64 built from fresh source today and I'm =
running the GENERIC kernel.

If anyone has any ideas, I'd be very grateful.

Regards,

Neal.=



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