Project Status
Peter Grehan
grehan at freebsd.org
Mon Dec 1 23:44:48 PST 2003
Hi Phil,
> So far I was able to compile bash (and apache, for kicks) --
Out of interest, did they run up OK ?
> So far I was able to compile bash (and apache, for kicks) --
> seems to me that the ATA disks are running in PIO mode, even though
> I can't explicitly see it (atacontrol doesn't say anything special),
> I see 85-95% interrupts when untarring something with many files.
The hint is in the boot message:
ad0: ... at ata0-master BIOSPIO
where on a PC it would be "ata0-master UDMA100".
DMA on macio ata devices uses the DBDMA dma controller, which is
nothing like Intel PIIX-style Ultra-DMA. Getting dma working is
on the TODO list.
> I tried to build world on my x86 machine last night (5.2-BETA),
> and IT panic'ed in the middle of compiling some PPC code :-(
!
later,
Peter.
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