ExtractStream and PlayStream failing on every sector in a DTivo

[eric2048]

I am using a 3-week old Hughes DTivo box, running Tivo 2.5.1, bash 
enabled on the serial port, TivoNet and TivoWeb installed, no space 
upgrade.

I have tried both ExtractStream (Nov 9, 2001 version from 
http://home.earthlink.net/~garyw90/TivoApp.html) and PlayStream 0.1b 
(Jan 14, 2001) and they both complain about not finding the FSID in 
the sector(s).

I have confirmed that I am using the correct FSID (119309) three 
ways. I tried:
1) Browsing the MFS using TivoWeb (MFS -> Recording -> Now Showing -> 
pick the show from the list of shows -> find the "Part" line and 
click on its link -> find the "File" line and read the FSID from it.
2) Manually repeating #1 using tivosh, mls /Recording/Complete, 
mls /Recording/NowShowing, dumpobj to find the "Part" definition, and 
then dumpobj to find the "File" definition (takes a few tries because 
my DTivo reboots after each dumpobj).
3) Running the TivoApp "ShowList.tcl" utility, reading the FSID from 
the <Part> line.
4) Running TivoApp on my PC and watching it telnet over to the DTivo 
to run ShowList.tcl, grab the FSID, and watching it 
attempt `ExtractStream –s 119309'.

In all 4 cases, the FSID came out as 119309. Some examples of the 
fail case:
cd /var/hack/bin
./ExtractStream 119309
Attempting to locate tyStream with fsid 0x1d20d...
Sector FSID passed (0x1d20d) failed to match the FSID value in the 
sector (0x0).
Trying next block
Sector FSID passed (0x1d20d) failed to match the FSID value in the 
sector (0x0).
Trying next block
Sector FSID passed (0x1d20d) failed to match the FSID value in the 
sector (0x0).
Trying next block
Sector FSID passed (0x1d20d) failed to match the FSID value in the 
sector (0x4df
). Trying next block
Sector FSID passed (0x1d20d) failed to match the FSID value in the 
sector (0x4df
). Trying next block
...etc...

cd /var/hack/playstream
./PlayStream 119309
Attempting to locate tyStream with fsid 119309...
Sector FSID passed (1d20d) failed to match the FSID value in the 
sector (0).
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
00 ................
00 00 00 00 00 00 00 00 00 00 00 00 91 23 1e 
bc .............#..
a9 dd 19 85 00 00 00 00 00 00 00 00 00 00 00 
00 ................
...etc...

Now, I have searched several online forums and have not yet seen 
anyone stuck at this point. I have read that ExtractStream only works 
5% of the time on DTivos, and that in some cases it will only Extract 
the beginning portion of a show because it runs into sectors that 
don't match the FSID. I specifically have delayed any sort of space 
upgrade on this DTivo because I understand there is a concern that 
ExtractStream has trouble with expanded drives and/or secondary 
drives.

If this is an unsolved problem I'd be happy to dig into it deeper to 
see if I can fix this, but I first wanted to see if I am just using 
an old version or using these tools incorrectly.

Any suggestions?
Thanks
Eric