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From: "Sumanth J.V" <sumanth@cse.unl.edu>
To: Tejun Heo <htejun@gmail.com>
Cc: Jeff Garzik <jeff@garzik.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-ide@vger.kernel.org
Subject: Re: Fw: Spurious completions during NCQ
Date: Mon, 17 Sep 2007 08:18:26 -0500	[thread overview]
Message-ID: <46EE7EA2.3000608@cse.unl.edu> (raw)
In-Reply-To: <46ED25DD.605@gmail.com>

Tejun Heo wrote:
> Jeff Garzik wrote:
>   
>> Andrew Morton wrote:
>>     
>>> Begin forwarded message:
>>>
>>> Date: Fri, 07 Sep 2007 12:57:14 -0500
>>> From: "Sumanth J.V" <sumanth@cse.unl.edu>
>>> To: linux-kernel@vger.kernel.org
>>> Subject: Spurious completions during NCQ
>>>
>>>
>>> I keep seeing this message a few times a day on my box.
>>>
>>> ata1.00: exception Emask 0x2 SAct 0x18 SErr 0x0 action 0x2 frozen
>>> ata1.00: (spurious completions during NCQ issue=0x0 SAct=0x18
>>> FIS=004040a1:00000004)
>>>       
>
> Please report the result of "hdparm -I /dev/sda".
>
>   
[root@localhost 3d]# hdparm -I /dev/sda

/dev/sda:

ATA device, with non-removable media
        Model Number:       WDC WD5000AAKS-22TMA0                  
        Serial Number:      WD-WCAPW2873034
        Firmware Revision:  12.01C01
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:  976773168
        device size with M = 1024*1024:      476940 MBytes
        device size with M = 1000*1000:      500107 MBytes (500 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:
           *    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
                Power-Up In Standby feature set
           *    SET_FEATURES required to spinup after power up
                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
           *    64-bit World wide name
           *    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
           *    Software settings preservation
           *    SMART Command Transport (SCT) feature set
           *    SCT Long Sector Access (AC1)
           *    SCT LBA Segment Access (AC2)
           *    SCT Error Recovery Control (AC3)
           *    SCT Features Control (AC4)
           *    SCT Data Tables (AC5)
                unknown 206[12]
                unknown 206[13]
Security:
        Master password revision code = 65534
                supported
        not     enabled
        not     locked
        not     frozen
        not     expired: security count
        not     supported: enhanced erase
        128min for SECURITY ERASE UNIT.
Checksum: correct


  reply	other threads:[~2007-09-17 13:46 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-15  7:57 Fw: Spurious completions during NCQ Andrew Morton
2007-09-15 23:57 ` Jeff Garzik
2007-09-16 12:47   ` Tejun Heo
2007-09-17 13:18     ` Sumanth J.V [this message]
  -- strict thread matches above, loose matches on Subject: below --
2007-10-19 23:46 Andrew Morton

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