Problem s diskem: DMA disabled

Igor Bujna igor.bujna na maxi-tip.cz
Pondělí Březen 25 11:02:03 CET 2002


Stepan Roh wrote:

>Mam takovy mensi problem s diskem v Linuxu. Obcas kernel do syslogu pise:
>
>kernel: hdc: timeout waiting for DMA
>kernel: hdc: irq timeout: status=0x58 { DriveReady SeekComplete DataRequest }
>
>A nakonec napise:
>
>kernel: hdc: status timeout: status=0xd1 { Busy }
>kernel: hdc: DMA disabled
>kernel: hdc: drive not ready for command
>kernel: ide1: reset: success
>
Zkuste vypnout DMA hdparm -d 0.Nejlepe je take nainstalovat novy kernel 
2.2.19.

>
>Tedy to shodi DMA. Ten disk je uplne novy. Na druhem disku to nedela.
>Nechci experimentovat s novym jadrem, protoze co funguje do toho nevrtej,
>ze :-) Navic ten stroj je v permanentnim provozu.
>
>Setkal se s tim uz nekdo? Hledal jsem v archivu, ale nic zajimaveho jsem
>nenasel.
>
>kernel 2.2.16
>chipset Intel 430VX Triton III
>
>$ hdparm /dev/hda
>
>/dev/hda:
> multcount    =  0 (off)
> I/O support  =  0 (default 16-bit)
> unmaskirq    =  0 (off)
> using_dma    =  1 (on)
> keepsettings =  0 (off)
> nowerr       =  0 (off)
> readonly     =  0 (off)
> readahead    =  8 (on)
> geometry     = 969/128/63, sectors = 7814016, start = 0
>
>$ hdparm -i /dev/hda
>
>/dev/hda:
>
> Model=WDC AC34000L, FwRev=32.41N37, SerialNo=WD-WT3510909973
> Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq
>}
> RawCHS=7752/16/63, TrkSize=57600, SectSize=600, ECCbytes=22
> BuffType=DualPortCache, BuffSize=256kB, MaxMultSect=16, MultSect=off
> CurCHS=7752/16/63, CurSects=7814016, LBA=yes, LBAsects=7814016
> IORDY=on/off, tPIO={min:160,w/IORDY:120}, tDMA={min:120,rec:120}
> PIO modes: pio0 pio1 pio2 pio3 pio4
> DMA modes: mdma0 mdma1 *mdma2 udma0 udma1 udma2
>
>$ hdparm /dev/hdc
>
>/dev/hdc:
> multcount    =  0 (off)
> I/O support  =  0 (default 16-bit)
> unmaskirq    =  0 (off)
> using_dma    =  0 (off)
> keepsettings =  0 (off)
> nowerr       =  0 (off)
> readonly     =  0 (off)
> readahead    =  8 (on)
> geometry     = 2491/255/63, sectors = 40020624, start = 0
>
>$ hdparm -i /dev/hdc
>
>/dev/hdc:
>
> Model=Maxtor 2B020H1, FwRev=WAH21PB0, SerialNo=B1CZXTME
> Config={ Fixed }
> RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
> BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=off
> CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=40020624
> IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
> PIO modes: pio0 pio1 pio2 pio3 pio4
>




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