linux-kernel - 2.6.23-rc8-mm1: ata3: soft resetting link after STR

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Date:	Wed, 26 Sep 2007 19:39:01 +0400
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	venkatesh.pallipadi@...el.com, akpm@...l.org,
	linux-kernel@...r.kernel.org
Subject: 2.6.23-rc8-mm1: ata3: soft resetting link after STR

Frequently get these messages after resume from STR,
(subjectively, first STR is always OK).

CONFIG_ATA_PIIX=y is used. CONFIG_IDE=n.

This happened with 2.6.23-rc7-mm1, 2.6.23-rc8-mm1, and
2.6.23-rc7-hrt1.patch

ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2
ata3.00: BMDMA stat 0x6
ata3.00: cmd ca/00:08:27:12:72/00:00:00:00:00/eb tag 0 cdb 0x0 data 4096 out
         res 51/84:08:27:12:72/00:00:00:00:00/eb Emask 0x30 (host bus error)
ata3.00: status: {DRDY ERR }
ata3.00: error: {ICRC ABRT }
ata3: soft resetting link
ata3.00: configured for UDMA/133
ata3: EH complete

	[same block several times]

sd 2:0:0:0: [sdb] Result: hostbyte=0x00 driverbyte=0x08
sd 2:0:0:0: [sdb] Sense Key : 0xb [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
	72 0b 47 00 00 00 00 0c 00 0a 80 00 00 00 00 00
	0b 72 12 2f
sd 2:0:0:0: [sdb] ASC=0x47 ASCQ=0x0
end_request: I/O error, dev sdb, sector 192025135
Buffer I/O error on device sdb1
	[same block + 1]
	[same block + 2]
	[same block + 3]
	[same block + 4]
ata3: EH complete
sd 2:0:0:0: [sdb] many 512-byte hardware sectors
ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2
ata3.00: BMDMA stat 0x6
ata3.00: cmd ca/00:28:67:12:72/00:00:00:00:00/eb tag 0 cdb 0x0 data 20480 out
	...
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