Re: LibPATA code issues / 2.6.15.4

[Justin Piszcz <jpiszcz@lucidpixels.com>]

On Tue, 28 Feb 2006, Alan Cox wrote:

> On Llu, 2006-02-27 at 23:16 -0500, Mark Lord wrote:
> > Or maybe a whitelist instead, since nearly all existing hardware
> > pre-dates FUA commands.
>
> For controllers just add it as a host flag and it can be handled the
> same way as LBA48 is right now. It may also be some hosts can issue FUA
> with a bit of bandaging (state machine resets/pio etc)
>
> Alan

While I have not yet been able to reproduce the problem with the verbose 
patch, here is the hdparm -I:

/dev/sdc:

ATA device, with non-removable media
        Model Number:       WDC WD4000KD-00NAB0
        Serial Number:      WD-WMAMY1020930
        Firmware Revision:  01.06A01
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:  781422768
        device size with M = 1024*1024:      381554 MBytes
        device size with M = 1000*1000:      400088 MBytes (400 GB)
Capabilities:
        LBA, IORDY(can be disabled)
        Queue depth: 32
        Standby timer values: spec'd by Standard, with device specific 
minimum
        R/W multiple sector transfer: Max = 16  Current = 0
        Recommended acoustic management value: 128, current value: 254
        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=120ns  IORDY flow control=120ns
Commands/features:
        Enabled Supported:
           *    NOP cmd
           *    READ BUFFER cmd
           *    WRITE BUFFER cmd
           *    Host Protected Area feature set
           *    Look-ahead
           *    Write cache
           *    Power Management feature set
                Security Mode feature set
           *    SMART feature set
           *    FLUSH CACHE EXT command
           *    Mandatory FLUSH CACHE command
           *    Device Configuration Overlay feature set
           *    48-bit Address feature set
                Automatic Acoustic Management feature set
                SET MAX security extension
           *    DOWNLOAD MICROCODE cmd
           *    General Purpose Logging feature set
           *    SMART self-test
           *    SMART error logging
Security:
                supported
        not     enabled
        not     locked
        not     frozen
        not     expired: security count
        not     supported: enhanced erase
Checksum: correct

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