[ltp] T40: DMA Mode

linux-thinkpad@linux-thinkpad.org linux-thinkpad@linux-thinkpad.org
Fri, 7 Nov 2003 16:34:02 +0100


i've the Problem, that it seems that I can't enable the dma mode of the harddrive of my T40.
I'm running Gentoo with Kernel 2.6.0-test9-mm2.

Does anyone have an idea?


Here's some output:

# dmesg | grep hd 
hda: FUJITSU MHS2030AT, ATA DISK drive
hda: max request size: 128KiB
hda: Host Protected Area detected.
hda: 52406066 sectors (26831 MB) w/2048KiB Cache, CHS=55456/15/63
hdc: ATAPI 24X DVD-ROM CD-R/RW drive, 2048kB Cache
Reiserfs journal params: device hda6, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30
reiserfs: checking transaction log (hda6) for (hda6)
Adding 506480k swap on /dev/hda5.  Priority:-1 extents:1

# hdparm -tT /dev/hda
 Timing buffer-cache reads:   1332 MB in  2.01 seconds = 664.11 MB/sec
 Timing buffered disk reads:   22 MB in  3.21 seconds =   6.86 MB/sec

# hdparm -I /dev/hda
ATA device, with non-removable media
        Model Number:       FUJITSU MHS2030AT                       
        Serial Number:      NLA2T3815V2V
        Firmware Revision:  8205    
        Used: ATA/ATAPI-6 T13 1410D revision 3a 
        Supported: 6 5 4 3 
        Logical         max     current
        cylinders       16383   16383
        heads           15      15
        sectors/track   63      63
        CHS current addressable sectors:   15481935
        LBA    user addressable sectors:   52406066
        device size with M = 1024*1024:       25588 MBytes
        device size with M = 1000*1000:       26831 MBytes (26 GB)
        LBA, IORDY(cannot be disabled)
        bytes avail on r/w long: 4      Queue depth: 1
        Standby timer values: spec'd by Standard, no device specific minimum
        R/W multiple sector transfer: Max = 16  Current = 16
        Advanced power management level: 128 (0x80)
        Recommended acoustic management value: 0, current value: 64
        DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5 
             Cycle time: min=120ns recommended=120ns
        PIO: pio0 pio1 pio2 pio3 pio4 
             Cycle time: no flow control=240ns  IORDY flow control=120ns
        Enabled Supported:
           *    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
           *    Mandatory FLUSH CACHE command 
           *    Device Configuration Overlay feature set 
           *    Automatic Acoustic Management feature set 
           *    SET MAX security extension
                SET FEATURES subcommand required to spinup after power up
                Power-Up In Standby feature set
           *    Advanced Power Management feature set
           *    SMART self-test 
           *    SMART error logging 
        Master password revision code = 65534
        not     enabled
        not     locked
        not     expired: security count
        not     supported: enhanced erase
        20min for SECURITY ERASE UNIT. 
HW reset results:
        CBLID- above Vih
        Device num = 0 determined by the jumper
Checksum: correct