Messages in this thread | | | Date | Sat, 21 Oct 2000 13:02:07 -0400 | From | Dennis <> | Subject | Re: DMA and my Maxtor drive |
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At 06:43 PM 10/20/2000, linux@cr753963-a.glph1.on.wave.home.com wrote:
>I get this when DMA is enabled: > >Oct 20 15:39:07 cr753963-a kernel: hdb: timeout waiting for DMA >Oct 20 15:39:07 cr753963-a kernel: hdb: irq timeout: status=0x6e { >DriveReady DeviceFault DataRequest CorrectedError Index } >ide0: reset: success >Oct 20 15:39:07 cr753963-a kernel: hdb: DMA disabled >Oct 20 15:39:07 cr753963-a kernel: ide0: reset: success > >It only happens when there lots of data is being transferred, or compiled >on the drive.. The drive status is this: > >/dev/hdb: > > Model=Maxtor 82560A4, FwRev=AA8Z2726, SerialNo=C40LTQGA > Config={ Fixed } > RawCHS=4962/16/63, TrkSize=0, SectSize=0, ECCbytes=20 > BuffType=DualPortCache, BuffSize=256kB, MaxMultSect=16, MultSect=off > CurCHS=4962/16/63, CurSects=5001696, LBA=yes, LBAsects=5001728 > IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120} > PIO modes: pio0 pio1 pio2 pio3 pio4 > DMA modes: mdma0 mdma1 *mdma2
The same thing happens with big Seagates. It is linux specific. its been a problem for a long time.
the problem doesnt occur with Western Digital drives, whatever it is.
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