Messages in this thread | | | Date | Thu, 11 Apr 2002 14:52:59 +0200 | From | Martin Dalecki <> | Subject | Re: New IDE code and DMA failures |
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Denis Vlasenko wrote:
> # hdparm -i /dev/hda > Model=Maxtor 51369U3, FwRev=DA620CQ0, SerialNo=EK3HAE61C > Config={ Fixed } > RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57 > BuffType=3(DualPortCache), BuffSize=2048kB, MaxMultSect=16, MultSect=16 > DblWordIO=no, maxPIO=2(fast), DMA=yes, maxDMA=0(slow) > CurCHS=17475/15/63, CurSects=16513875, LBA=yes > LBA CHS=512/511/63 Remapping, LBA=yes, LBAsects=26520480 > tDMA={min:120,rec:120}, DMA modes: mword0 mword1 mword2 > IORDY=on/off, tPIO={min:120,w/IORDY:120}, PIO modes: mode3 mode4 > UDMA modes: mode0 mode1 *mode2
To answer an later question. The asterix here denotes the active UDMA mode!
> > # hdparm -i /dev/hdc > Model=ST31277A, FwRev=0.75, SerialNo=VAE07701 > Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs RotSpdTol>.5% } > RawCHS=2482/16/63, TrkSize=0, SectSize=0, ECCbytes=4 > BuffType=0(?), BuffSize=0kB, MaxMultSect=16, MultSect=16 > DblWordIO=no, maxPIO=1(medium), DMA=yes, maxDMA=2(fast) > CurCHS=2482/16/63, CurSects=2501856, LBA=yes > LBA CHS=620/64/63 Remapping, LBA=yes, LBAsects=2501856 > tDMA={min:120,rec:120}, DMA modes: mword0 mword1 *mword2 > IORDY=on/off, tPIO={min:383,w/IORDY:120}, PIO modes: mode3 mode4 > > I have problems with hdc. hda is mostly unused, so maybe it is DMA errors > prone too but I have not seen that yet. > > >>3. Some timeout values got increased to more generally used values (in esp. >> IBM microdrives advice about timeout values. Could you see whatever >> the data doesn't eventually go to the disk after georgeous >> amounts of time. > > > Erm.. my English comprehension fails here... do you say my disk > does not like bigger timeouts?
Please just wait and look whatever the driver actually recovers (can be minutes...)
> >>4. Could you try to set the DMA mode lower then it's set up >> per default by using hdparm and try whatever it helps? > > > Current params: > > # hdparm /dev/hda /dev/hdc > /dev/hda: > multcount = 16 (on) > I/O support = 1 (32-bit) > unmaskirq = 1 (on) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Could you try to disable this please? This can cause trouble as well.
> using_dma = 1 (on) > keepsettings = 0 (off) > nowerr = 0 (off) > readonly = 0 (off) > BLKRAGET failed: Invalid argument > geometry = 1754/240/63, sectors = 26520480, start = 0 > > /dev/hdc: > multcount = 16 (on) > I/O support = 1 (32-bit) > unmaskirq = 1 (on) > using_dma = 1 (on) > keepsettings = 0 (off) > nowerr = 0 (off) > readonly = 0 (off) > BLKRAGET failed: Invalid argument > geometry = 620/64/63, sectors = 2501856, start = 0 > > I can't quite figure what MW/UDMA mode is active.
See above.
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