Hello,

> I've recently noticed that when I boot into NetBSD on my powerbook,
> the next boot into osx fails to mount my 'data' partition because
> NetBSD trashes the Apple UFS superblock:
> 
> # fsck /dev/disk0s3
> ** /dev/rdisk0s3
> BAD SUPER BLOCK: VALUES IN SUPER BLOCK DISAGREE WITH THOSE IN FIRST ALTERNATE
> 
> LOOK FOR ALTERNATE SUPERBLOCKS? [yn] y
> 
> SEARCH FOR ALTERNATE SUPER-BLOCK FAILED. YOU MUST USE THE
> -b OPTION TO FSCK TO SPECIFY THE LOCATION OF AN ALTERNATE
> SUPER-BLOCK TO SUPPLY NEEDED INFORMATION; SEE fsck(8).
> 
> I can't remember what version of NetBSD is installed, but it is likely
> circa 2.0[E-G] -current.
Doesn't happen for me - I'm running 2.99.10 from yesterday on an iBook G4 - MacOS X never had any problems mounting the UFS partition where NetBSD lives.

> I'm hesitant to upgrade at the moment because I am probably going to
> be installing yellowdog on it because all of the hardware is properly
> supported (including dual head w/ LCD and DVI).
XFree86 works fine here, at least on the internal display. Didn't check the VGA output though.

have fun
Michael