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hd access errors


my machine is outpouting some strange messages ; at boot, I get the
following :

Linux version 2.4.21-pre7-ben0 (root@uqbar) (gcc version 3.2.1 20020924 (Debian prerelease))
Uniform Multi-Platform E-IDE driver Revision: 7.00beta-2.4
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
ide-pmac: no intrs for device /bandit@F2000000/ohare@10/ATA@20000, using 13
ide0: Found Apple OHare ATA controller, bus ID 0
Probing IDE interface ide0...
hda: IBM-DJAA-31700, ATA DISK drive
Unhandled interrupt d, disabled
hda: Enabling MultiWord DMA 2
ide0 at 0xc9912000-0xc9912007,0xc9912160 on irq 13
hda: attached ide-disk driver.
hda: task_no_data_intr: status=0x51 { DriveReady SeekComplete Error }
hda: task_no_data_intr: error=0x04 { DriveStatusError }
hda: 3334464 sectors (1707 MB) w/96KiB Cache, CHS=3308/16/63, DMA
Partition check:
 hda: [mac] hda1 hda2 hda3 hda4

Is there something I can do about the errors mentionned above (the drive
seems to work fine, anyway, but... ) ?

A second problem is when I look the at the /proc/interrupts output:
  4:          0   PMAC-PIC  Edge      SCC-txdma
  5:          0   PMAC-PIC  Edge      SCC-rxdma
  6:          0   PMAC-PIC  Edge      SCC-txdma
  7:          0   PMAC-PIC  Edge      SCC-rxdma
  8:          1   PMAC-PIC  Edge      Built-in Sound out
  9:          1   PMAC-PIC  Edge      Built-in Sound in
 12:         53   PMAC-PIC  Edge      MESH
 13:       1514   PMAC-PIC  Edge      ide0
 15:          0   PMAC-PIC  Edge      SCC
 16:          0   PMAC-PIC  Edge      SCC
 17:          0   PMAC-PIC  Edge      Built-in Sound misc
 18:      15383   PMAC-PIC  Edge      ADB
 19:          0   PMAC-PIC  Edge      SWIM3
 22:         52   PMAC-PIC  Level     eth0
 23:          0   PMAC-PIC  Level     eth1
BAD:          1

What is this 'BAD' line meaning ?

I welcome any suggestions,

Simon Vallet
Institut National Agronomique Paris-Grignon

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