syslog
Jul 15 21:18:14 box kernel: ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
Jul 15 21:18:14 box kernel: ata2.00: cmd c8/00:58:cf:0f:3c/00:00:00:00:00/e1 tag 0 cdb 0x0 data 45056 in
Jul 15 21:18:14 box kernel:          res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Jul 15 21:18:21 box kernel: ata2: port is slow to respond, please be patient (Status 0xd0)
Jul 15 21:18:44 box kernel: ata2: port failed to respond (30 secs, Status 0xd0)

messages
Jul 15 21:18:44 box kernel: ata2: soft resetting port
Jul 15 21:18:48 box kernel: ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
Jul 15 21:18:48 box kernel: ata2.00: configured for UDMA/133
Jul 15 21:18:48 box kernel: ata2: EH complete
Jul 15 21:18:48 box kernel: SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
Jul 15 21:18:48 box kernel: sda: Write Protect is off
Jul 15 21:18:48 box kernel: SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA

`dmesg`
ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
ata2.00: cmd c8/00:58:cf:0f:3c/00:00:00:00:00/e1 tag 0 cdb 0x0 data 45056 in
         res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
ata2: port is slow to respond, please be patient (Status 0xd0)
ata2: port failed to respond (30 secs, Status 0xd0)
ata2: soft resetting port
ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata2.00: configured for UDMA/133
ata2: EH complete
SCSI device sda: 156301488 512-byte hdwr sectors (80026 MB)
sda: Write Protect is off
sda: Mode Sense: 00 3a 00 00
SCSI device sda: write cache: enabled, read cache: enabled, doesn't support DPO or FUA

debug
Jul 15 21:18:48 box kernel: sda: Mode Sense: 00 3a 00 00

-----------------------------------------------------------------------
`hdparm -I /dev/sda`

/dev/sda:

ATA device, with non-removable media
	Model Number:       SAMSUNG HD080HJ                         
	Serial Number:      1325J1FY729583
	Firmware Revision:  WT100-41
Standards:
	Used: Reserved 
	Supported: 7 6 5 4 
Configuration:
	Logical		max	current
	cylinders	16383	16383
	heads		16	16
	sectors/track	63	63
	--
	CHS current addressable sectors:   16514064
	LBA    user addressable sectors:  156301488
	LBA48  user addressable sectors:  156301488
	device size with M = 1024*1024:       76319 MBytes
	device size with M = 1000*1000:       80026 MBytes (80 GB)
Capabilities:
	LBA, IORDY(can be disabled)
	Queue depth: 32
	Standby timer values: spec'd by Standard, no device specific minimum
	R/W multiple sector transfer: Max = 16	Current = 1
	Recommended acoustic management value: 254, current value: 0
	DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6 udma7 
	     Cycle time: min=120ns recommended=120ns
	PIO: pio0 pio1 pio2 pio3 pio4 
	     Cycle time: no flow control=120ns  IORDY flow control=120ns
Commands/features:
	Enabled	Supported:
	    	SMART feature set
	    	Security Mode feature set
	   *	Power Management feature set
	   *	Write cache
	   *	Look-ahead
	   *	Host Protected Area feature set
	   *	WRITE_BUFFER command
	   *	READ_BUFFER command
	   *	NOP cmd
	   *	DOWNLOAD_MICROCODE
	    	SET_MAX security extension
	    	Automatic Acoustic Management feature set
	   *	48-bit Address feature set
	   *	Device Configuration Overlay feature set
	   *	Mandatory FLUSH_CACHE
	   *	FLUSH_CACHE_EXT
	   *	SMART error logging
	   *	SMART self-test
	   *	General Purpose Logging feature set
	   *	Segmented DOWNLOAD_MICROCODE
	   *	SATA-I signaling speed (1.5Gb/s)
	   *	SATA-II signaling speed (3.0Gb/s)
	   *	Native Command Queueing (NCQ)
	   *	Host-initiated interface power management
	   *	Phy event counters
	    	DMA Setup Auto-Activate optimization
	    	Device-initiated interface power management
	   *	Software settings preservation
Security: 
	Master password revision code = 65534
		supported
	not	enabled
	not	locked
		frozen
	not	expired: security count
		supported: enhanced erase
	44min for SECURITY ERASE UNIT. 44min for ENHANCED SECURITY ERASE UNIT.
Checksum: correct

-----------------------------------------------------------------------
`modprobe`

Module                  Size  Used by
nvidia               7248900  24 
snd_pcm_oss            28224  0 
snd_mixer_oss          17280  1 snd_pcm_oss
snd_ca0106             31712  5 
snd_rawmidi            21312  1 snd_ca0106
snd_seq_device          9868  1 snd_rawmidi
snd_ac97_codec         90532  1 snd_ca0106
snd_pcm                66188  6 snd_pcm_oss,snd_ca0106,snd_ac97_codec
snd_timer              21512  1 snd_pcm
snd                    43620  15 snd_pcm_oss,snd_mixer_oss,snd_ca0106,snd_rawmidi,snd_seq_device,snd_ac97_codec,snd_pcm,snd_timer
soundcore               9568  1 snd
ac97_bus                6016  1 snd_ac97_codec
snd_page_alloc         11016  2 snd_ca0106,snd_pcm
ide_scsi               17292  0 
-----------------------------------------------------------------------

Linux box 2.6.21.5-pucha #1 SMP Thu Jun 14 14:58:26 CEST 2007 i686 pentium4 i386 GNU/Linux