Re: landisk DMA broken in NetBSD 6

Hi,.

> Can you try reverting revision 1.15 (1.14.8.1 on netbsd-6):
>
> revision 1.14.8.1
> date: 2012-04-06 21:28:04 +0400;  author: riz;  state: Exp;  lines: +2 -7;
> Pull up following revision(s) (requested by tsutsui in ticket #160):
> 	sys/arch/landisk/landisk/bus_dma.c: revision 1.15
> Don't call sh_dcache_inv_range() on BUS_DMASYNC_POSTREAD ops
> as other mips and arm ports.
> All cached data is cared on BUS_DMASYNC_PREREAD and
> invalidating cache without writeback could cause unexpected
> data loss if specified sync region is not cacheline aligned.
> This may fix "ffs_alloccg: map corrupted" panic on acardide IDE disks,
> which didn't happen on USB HDD.

I did this several days ago and have run tons of stuff since - cvs 
updates, pkg_rolling-replace, et cetera, and have had no problems. That 
definitely fixed the issue.

Thanks,
John