[vine-users:077003] Vine 4.1 での SATA の扱い

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　こんにちは，道産子です．

　先日，HPのPC
	HP Compaq Buisiness Desktop dx7300 ST
に Vine Linux 4.1 をインストールしました．インストールは（多分）問題なく
終了し，一応正常に稼働しています．
　ただ，ハードディスクにアクセスしているとき，マウスカーソルがカクカクし
たり，ワークスペースの切替えもスムーズにいきません．ハードディスク
（SATA/300, 7200rpm, 160GB）の問題だと思い，hdparm で調べたところ，DMA
転送が有効になっていませんでした：
	# hdparm -t /dev/hda
	/dev/hda:
 	Timing buffered disk reads:   12 MB in  3.07 seconds =   3.91 MB/sec
DMA転送を有効にしようとしても，エラーで設定出来ません：
	# hdparm -d 1 /dev/hda
	/dev/hda:
 	setting using_dma to 1 (on)
 	HDIO_SET_DMA failed: Operation not permitted
 	using_dma    =  0 (off)
　この場合，カーネルの再構築を行う必要があるのでしょうか．対処法をお分か
りの方がいらっしゃいましたら教えて頂きたく思います．

　以下，hdparm，lspci で調べた結果です：

# hdparm -I /dev/hda
/dev/hda:
ATA device, with non-removable media
        Model Number:       WDC WD1600JS-60MHB5                     
        Serial Number:      WD-WCANME888096
        Firmware Revision:  10.02E04
Standards:
        Supported: 7 6 5 4 
        Likely used: 7
Configuration:
        Logical         max     current
        cylinders       16383   65535
        heads           16      1
        sectors/track   63      63
        --
        CHS current addressable sectors:    4128705
        LBA    user addressable sectors:  268435455
        LBA48  user addressable sectors:  312581808
        device size with M = 1024*1024:      152627 MBytes
        device size with M = 1000*1000:      160041 MBytes (160 GB)
Capabilities:
        LBA, IORDY(can be disabled)
        Queue depth: 1
        Standby timer values: spec'd by Standard, with device specific minimum
        R/W multiple sector transfer: Max = 16  Current = 16
        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=120ns  IORDY flow control=120ns
Commands/features:
        Enabled Supported:
           *    NOP cmd
           *    READ BUFFER cmd
           *    WRITE BUFFER cmd
           *    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 
           *    DOWNLOAD MICROCODE cmd
           *    General Purpose Logging feature set
           *    SMART self-test 
           *    SMART error logging 
Security: 
        Master password revision code = 65534
                supported
        not     enabled
        not     locked
                frozen
        not     expired: security count
                supported: enhanced erase
        50min for SECURITY ERASE UNIT. 50min for ENHANCED SECURITY ERASE UNIT.
Checksum: correct

# /sbin/lspci 
00:00.0 Host bridge: Intel Corporation Q963/Q965 Memory Controller Hub (rev 02)
00:02.0 VGA compatible controller: Intel Corporation Q963/Q965 Integrated Graphics Controller (rev 02)
00:03.0 Communication controller: Intel Corporation Q963/Q965 HECI Controller (rev 02)
00:19.0 Ethernet controller: Intel Corporation 82566DM Gigabit Network Connection (rev 02)
00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI #4 (rev 02)
00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI #5 (rev 02)
00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI #2 (rev 02)
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI #2 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI #1 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev f2)
00:1f.0 ISA bridge: Intel Corporation 82801HO (ICH8DO) LPC Interface Controller (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801H (ICH8 Family) 4 port SATA IDE Controller (rev 02)

　宜しくお願い致します．

--
 道産子