Error at index.c:901

Hi Dave & co,

I’ve got a couple Sup users who encounter the following error fairly
consistently, even with 0.11.4. After they see this, the index is not
recoverable and they have to rebuild from scratch. Any ideas?

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/var/lib/gems/1.8/gems/ferret-0.11.4/lib/ferret/index.rb:726:in
`initialize’:
IO Error occured at <except.c>:93 in xraise (IOError)
Error occured in index.c:901 - sis_find_segments_file
Error reading the segment infos. Store listing was

    from 

/var/lib/gems/1.8/gems/ferret-0.11.4/lib/ferret/index.rb:726:in
new' from /var/lib/gems/1.8/gems/ferret-0.11.4/lib/ferret/index.rb:726:inensure_reader_open’
from
/var/lib/gems/1.8/gems/ferret-0.11.4/lib/ferret/index.rb:733:in
ensure_searcher_open' from /var/lib/gems/1.8/gems/ferret-0.11.4/lib/ferret/index.rb:755:indo_search’
from
/var/lib/gems/1.8/gems/ferret-0.11.4/lib/ferret/index.rb:334:in
search' from /usr/lib/ruby/1.8/monitor.rb:238:insynchronize’
from
/var/lib/gems/1.8/gems/ferret-0.11.4/lib/ferret/index.rb:333:in
search' from ./lib/sup/index.rb:312:inload_entry_for_id’
… 33 levels…
— cut here —

Thanks!