The following reply was made to PR port-sparc64/37485; it has been noted by GNATS.

From: Manuel Bouyer <bouyer@antioche.eu.org>
To: Salvador Fandino <sfandino@yahoo.com>
Cc: gnats-bugs@NetBSD.org
Subject: Re: port-sparc64/37485: corrupted ffs
Date: Mon, 10 Dec 2007 17:47:21 +0100

 On Mon, Dec 10, 2007 at 08:13:23AM -0800, Salvador Fandino wrote:
 > Hi,
 > 
 > > >  >  here it goes, dmesg output for NetBSD 3.1 and  4.0_RC5
 > > 
 > > Looks very similar to mine, exept I have a Ultra/33 drive, not
 > > ultra/66
 > 
 > I have recompiled the kernel disabling ultra dma 4:
 > 
 >   wd* at atabus? drive ? flags 0x0aac
 > 
 > and everything worked, so it seems that the problem lays there.
 > 
 > Actually, on the config file it says:
 > 
 > "Disable UDMA 4 which causes data corruption on the Acer Labs chipset on Sun Blade 100 and Netra X1 machines"
 
 Yes, but this should have been fixed between netbsd-3 and netbsd-4;
 the workaround being to disable/enable the channel after a reset.
 
 -- 
 Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
      NetBSD: 26 ans d'experience feront toujours la difference
 --