Re: DMA BadCRC, cables exchanged, problem resists, any idea?

[Malte Schröder]

I hab a similar problem on other hardware. It went away after setting the 
(udma5-)hd to udma4 with hdparm.

On Wednesday 04 February 2004 22:13, Sven Schumacher wrote:
> Hello,
>
> I got the following error for 3 of my 4 harddrives:
>
> hde: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> hde: dma_intr: error=0x84 { DriveStatusError BadCRC }
> hde: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> hde: dma_intr: error=0x84 { DriveStatusError BadCRC }
> hde: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> hde: dma_intr: error=0x84 { DriveStatusError BadCRC }
> hde: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> hde: dma_intr: error=0x84 { DriveStatusError BadCRC }
> hdf: DMA disabled
> ide2: reset: success
> hdg: dma_intr: status=0x51 { DriveReady SeekComplete Error }
> hdg: dma_intr: error=0x84 { DriveStatusError BadCRC }
> hdg: dma_timer_expiry: dma status == 0x20
> hdg: timeout waiting for DMA
>
> and so on. First I used round IDE-Cables, 80c Ribbon, now I use
> flat 80c Ribbon. I tried with an CMD680-IDE-offboad-Controller and
> the onboard Promise PDC20276. Both show the same effect. The
> onboard-VIA VT 8233 (used for hda) never shows this error.
>
> cat /proc/interrupts:
>            CPU0
>   0:    1264293    IO-APIC-edge  timer
>   1:      23806    IO-APIC-edge  keyboard
>   2:          0          XT-PIC  cascade
>   8:          4    IO-APIC-edge  rtc
>   9:          0   IO-APIC-level  acpi
>  12:      10688    IO-APIC-edge  PS/2 Mouse
>  14:      14589    IO-APIC-edge  ide0
>  15:         97    IO-APIC-edge  ide1
>  16:        449   IO-APIC-level  ide2, ide3
>  17:       9142   IO-APIC-level  eth0
>  21:          0   IO-APIC-level  ehci_hcd, usb-uhci
> NMI:          0
> LOC:    1264212
> ERR:          0
> MIS:          0
>
> IRQ 16 is the CMD680, ide0 and ide1 is the onboard VIA VT8235.
> The machine acts as a fileserver, so it's worse falling back to
> PIO instead of DMA. The Mainboard is an MSI-Tech KT3 Ultra 2 with
> an VIA KT 333 Chipset (Athlon 1800 XP).
> For testing purposes I tried the CMD680 in an Intel P4-based
> Computer (same cables) but none of these nasty errors! The P4 was
> running a 2.4.23 and the Athlon a 2.4.23.
>
> Used harddrives:
>
> /dev/hda:
>  multcount    = 16 (on)
>  IO_support   =  1 (32-bit)
>  unmaskirq    =  1 (on)
>  using_dma    =  1 (on)
>  keepsettings =  0 (off)
>  readonly     =  0 (off)
>  readahead    =  8 (on)
>  geometry     = 1232/255/63, sectors = 19807200, start = 0
>
>  Model=IBM-DTTA-351010, FwRev=T56OA73A, SerialNo=WF0WF036521
>  Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
>  RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=34
>  BuffType=DualPortCache, BuffSize=466kB, MaxMultSect=16, MultSect=16
>  CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=19807200
>  IORDY=on/off, tPIO={min:240,w/IORDY:120}, tDMA={min:120,rec:120}
>  PIO modes:  pio0 pio1 pio2 pio3 pio4
>  DMA modes:  sdma0 sdma1 sdma2 mdma0 mdma1 mdma2
>  UDMA modes: udma0 udma1 *udma2
>  AdvancedPM=no WriteCache=enabled
>  Drive conforms to: ATA/ATAPI-4 T13 1153D revision 17:  1 2 3 4
>
> /dev/hde:
>  multcount    = 16 (on)
>  IO_support   =  0 (default 16-bit)
>  unmaskirq    =  1 (on)
>  using_dma    =  1 (on)
>  keepsettings =  0 (off)
>  readonly     =  0 (off)
>  readahead    =  8 (on)
>  geometry     = 36024/16/63, sectors = 234493056, start = 0
>
>  Model=SAMSUNG SV1204H, FwRev=RK100-15, SerialNo=0450J1BW401217
>  Config={ HardSect NotMFM HdSw>15uSec Fixed DTR>10Mbs }
>  RawCHS=16383/16/63, TrkSize=34902, SectSize=554, ECCbytes=4
>  BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=16
>  CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=234493056
>  IORDY=yes, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}
>  PIO modes:  pio0 pio1 pio2 pio3 pio4
>  DMA modes:  mdma0 mdma1 mdma2
>  UDMA modes: udma0 udma1 udma2 udma3 *udma4 udma5
>  AdvancedPM=no WriteCache=enabled
>  Drive conforms to: ATA/ATAPI-6 T13 1410D revision 1:
>
> /dev/hdf:
>  multcount    = 16 (on)
>  IO_support   =  0 (default 16-bit)
>  unmaskirq    =  1 (on)
>  using_dma    =  0 (off)
>  keepsettings =  0 (off)
>  readonly     =  0 (off)
>  readahead    =  8 (on)
>  geometry     = 41608/16/63, sectors = 240121728, start = 0
>
>  Model=Maxtor 6Y120L0, FwRev=YAR41BW0, SerialNo=Y3K7N66E
>  Config={ Fixed }
>  RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
>  BuffType=DualPortCache, BuffSize=2048kB, MaxMultSect=16, MultSect=16
>  CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=240121728
>  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
>  UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6
>  AdvancedPM=yes: disabled (255) WriteCache=enabled
>  Drive conforms to: (null):
>
> /dev/hdg:
>  multcount    =  0 (off)
>  IO_support   =  0 (default 16-bit)
>  unmaskirq    =  0 (off)
>  using_dma    =  1 (on)
>  keepsettings =  0 (off)
>  readonly     =  0 (off)
>  readahead    =  8 (on)
>  geometry     = 19929/255/63, sectors = 320173056, start = 0
>
>  Model=Maxtor 6Y160P0, FwRev=YAR41BW0, SerialNo=Y42BANHE
>  Config={ Fixed }
>  RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=57
>  BuffType=DualPortCache, BuffSize=7936kB, MaxMultSect=16, MultSect=off
>  CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455
>  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
>  UDMA modes: udma0 udma1 udma2 udma3 udma4 udma5 *udma6
>  AdvancedPM=yes: disabled (255) WriteCache=enabled
>  Drive conforms to: (null):
>
> Any ideas, what I can change to get rid of these errors?
>
> TIA Sven
>
> (please CC)

-- 
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Malte Schröder
MalteSch@xxxxxx
ICQ# 68121508
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