>Has anybody gotten an LFS filesystem working correctly (on sun4c) ?

LFS is known to be broken.  If you truly want to use it, then you will
have to fix it. :-)

One place you may want to look is:

http://www.das.harvard.edu/users/faculty/Margo_Seltzer/usenix.195.html
-- 
Mike Long <mike.long@analog.com>           http://www.shore.net/~mikel
VLSI Design Engineer         finger mikel@shore.net for PGP public key
Analog Devices, CPD Division          CCBF225E7D3F7ECB2C8F7ABB15D9BE7B
Norwood, MA 02062 USA       (eq (opinion 'ADI) (opinion 'mike)) -> nil