Subject: Re: 'wdc0:0:0: lost interrupt' on tibook since PMAP changes
To: Manuel Bouyer <bouyer@antioche.lip6.fr>
From: Markus W Kilbinger <kilbi@rad.rwth-aachen.de>
List: port-macppc
Date: 06/20/2001 22:45:47
>>>>> "Manuel" == Manuel Bouyer <bouyer@antioche.lip6.fr> 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...
Markus.