Subject: Re: 'wdc0:0:0: lost interrupt' on tibook since PMAP changes
To: Manuel Bouyer <>
From: Markus W Kilbinger <>
List: port-macppc
Date: 06/20/2001 22:45:47
>>>>> "Manuel" == Manuel Bouyer <> writes:

    Manuel> How old it this machine ?

About 3 month. It's a PowerBook G4.

    Manuel> Maybe this controller support UltraDMA modes ? Do you have
    Manuel> any way to check this ?

Doesn't dmesg report this?

    Manuel> With a working kernel, what speed does
    Manuel> dd if=/dev/rwd0d of=/dev/null bs=64k count=2000
    Manuel> gives ?

  # dd if=/dev/rwd0d of=/dev/null bs=64k count=2000
  2000+0 records in
  2000+0 records out
  131072000 bytes transferred in 7.757 secs (16897254 bytes/sec)

    Manuel> You can also try the small program attached, it'll give a
    Manuel> better idea of the IDE bus speed.

Attachment!? Couldn't find one...