linux-kernel - Re: 2.6.19-rc2-mm2 AHCI lengthy pause on detection

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Date:	Sat, 21 Oct 2006 21:01:22 -0600
From:	"Berck E. Nash" <flyboy@...il.com>
To:	Tejun Heo <htejun@...il.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.19-rc2-mm2 AHCI lengthy pause on detection

Tejun Heo wrote:
> Can you try the attached patch?  And please post the result of hdparm -I 
> /dev/sdX.

No difference with that patch.

/dev/sde:

ATA device, with non-removable media
         Model Number:       ST3250823AS
         Serial Number:      5ND0HPTV
         Firmware Revision:  3.03
Standards:
         Supported: 7 6 5 4
         Likely used: 7
Configuration:
         Logical         max     current
         cylinders       16383   16383
         heads           16      16
         sectors/track   63      63
         --
         CHS current addressable sectors:   16514064
         LBA    user addressable sectors:  268435455
         LBA48  user addressable sectors:  488397168
         device size with M = 1024*1024:      238475 MBytes
         device size with M = 1000*1000:      250059 MBytes (250 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 = 16
         Recommended acoustic management value: 128, current value: 0
         DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6
              Cycle time: min=120ns recommended=120ns
         PIO: pio0 pio1 pio2 pio3 pio4
              Cycle time: no flow control=240ns  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
            *    DOWNLOAD_MICROCODE
                 SET_MAX security extension
            *    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
            *    SATA-I signaling speed (1.5Gb/s)
            *    Native Command Queueing (NCQ)
            *    Phy event counters
            *    Software settings preservation
Security:
         Master password revision code = 65534
                 supported
         not     enabled
         not     locked
                 frozen
         not     expired: security count
         not     supported: enhanced erase
Checksum: correct
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