More growfs & Inode problems

Previously I posted an error that growfs was having problems with ginode.
Well I have tried to reproduce that, but now its getting stuck before it
reaches the "1" inode.

Right now I am getting this error from growfs (with debug info turned on)
fsck -b .......
Calling updcsloc...
~ oscg read
~ frag_adjust [7]+=-1
~ frag_adjust [[7]]+=-1
~ frag_adjust [7]+=1
~ frag_adjust [[7]]+=1
~ scg block check loop d=1696
~ seek range: dl=40, du=1680, dm=103480
~ range cont: csmin=1680, csmax=1704
~ scg (212->0) block relocated
~ scg doing cg (0)
....
~ scg checking inode (12847 in 0)
~ ~~scg direct blocks checked
growfs: rdfs: read error: 1031614724: Input/output error

now I stopped growfs with gdb at this point and examined this inode. No
surprise that it was severely corrupt. 

6 = {di_mode = 19796, di_nlink = 19536, di_uid = 1380012127, 
  di_gid = 1279347028, di_blksize = 1146244959, di_size =
7287679819702096453, 
  di_blocks = 7310479134913291374, di_atime = 4332574392055525485, 
  di_mtime = 4710519415481920611, di_ctime = 7955901479799188588, 
  di_birthtime = 8029744551905093996, di_mtimensec = 1886330988, 
  di_atimensec = 1952543333, di_ctimensec = 1027437167, 
  di_birthnsec = 1852793640, di_gen = 1679848563, di_kernflags = 1735746149,

  di_flags = 1819042143, di_extsize = 1597793135, di_extb = {
    3181298783575895105, 2314885530818453514}, di_db = {2314885530818453536,

    2314885530818453536, 7306000180026699619, 8028911401162995042, 
    7165064744378776675, 2314861732405257790, 8367809545530271090, 
    723528173046035826, 6854591218520058147, 5644495083095216991, 
    5572183428906439747, 5283938703287209040}, di_ib = {5928219604812778561,

    8386103211268076554, 8319100054832685157}, di_spare = {
    4495559364509261600, 2334393380931266826, 7309464380271193954}}

block numbers in the gazillions (??) are definatley not right. 

This is the syntax I use to reproduce the problem (with 100% consistency)
# newfs -s 426630180 aacd1s1a
# fsck aacd1s1a
** /dev/aacd1s1a
** Last Mounted on 
** Phase 1 - Check Blocks and Sizes
** Phase 2 - Check Pathnames
** Phase 3 - Check Connectivity
** Phase 4 - Check Reference Counts
** Phase 5 - Check Cyl groups
2 files, 2 used, 103300854 free (22 frags, 12912604 blocks, 0.0%
fragmentation)
# growfs -y -s 1126630180 aacd1s1a
(the error show above)

And just for more info
# fdisk aacd1s1
******* Working on device /dev/aacd1s1 *******
parameters extracted from in-core disklabel are:
cylinders=231972 heads=255 sectors/track=63 (16065 blks/cyl)

Figures below won't work with BIOS for partitions not in cyl 1
parameters to be used for BIOS calculations are:
cylinders=231972 heads=255 sectors/track=63 (16065 blks/cyl)

Media sector size is 512
Warning: BIOS sector numbering starts with sector 1
Information from DOS bootblock is:
The data for partition 1 is:
sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD)
    start 0, size 3726630180 (1819643 Meg), flag 0
        beg: cyl 0/ head 0/ sector 1;
        end: cyl 547/ head 254/ sector 63
newfs -s 426630180 aacd1s1a
growfs -y -s 1126630180 aacd1s1a

(I use smaller numbers for growfs and newfs since growfs is painfully slow)


So my questions are, where could this inode be getting corrupted from? Would
it be the growfs? (which I doubt since it is only trying to do reads at this
point (IIRC))  is there a bug in newfs maybe? Any ideas or input would be
great. Thanks. 

Alex Hoff