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Date: Tue, 8 Jan 2008 17:26:05 +0100
From: "Maciej Rutecki" <maciej.rutecki@gmail.com>
To: "Linus Torvalds" <torvalds@linux-foundation.org>
Subject: [Re: Linux 2.6.24-rc7] ata1: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0x9 t4
Cc: "Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
       linux-ide@vger.kernel.org
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I have this message when resume from suspend to disk:

hda: host max PIO4 wanted PIO255(auto-tune) selected PIO4
hda: MWDMA2 mode selected
sd 0:0:0:0: [sda] Starting disk
[...]
ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
ata1.00: ACPI cmd f5/00:00:00:00:00:a0 filtered out
ata1.00: ACPI cmd b1/c1:00:00:00:00:a0 filtered out
ata1.00: ACPI cmd c6/00:10:00:00:00:a0 succeeded
ata1.00: ACPI cmd ef/10:03:00:00:00:a0 succeeded
ata1.00: ACPI cmd f5/00:00:00:00:00:a0 filtered out
ata1.00: ACPI cmd b1/c1:00:00:00:00:a0 filtered out
ata1.00: ACPI cmd c6/00:10:00:00:00:a0 succeeded
ata1.00: ACPI cmd ef/10:03:00:00:00:a0 succeeded
ata1.00: configured for UDMA/133
ata1: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0x9 t4
ata1: irq_stat 0x00400040, connection status changed
ata1.00: configured for UDMA/133
ata1: EH complete
sd 0:0:0:0: [sda] 234441648 512-byte hardware sectors (120034 MB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't
support DPO or FUA

Suspend to disk works fine without any problems.

Full dmesg:
http://www.unixy.pl/maciek/download/kernel/2.6.24-rc7/