Puppet users - Jun 2013 - facter 1.7.1 crashed on sshfp_* facts

Hi,

after upgrade to facter 1.7.1 on a few boxes it get broken:

# facter -p --debug sshfp_rsa
value for lsbdistid is still nil
Illegal instruction
# facter -p --debug sshfp_dsa
value for lsbdistid is still nil
Illegal instruction
# facter -v
1.7.1

Perhaps, there are something wrong around ssh keys, but initial overview 
didn''t show any error.

I tried to use ruby -rdebug (eh, first time), may be it will be useful:

# ruby -rdebug /usr/bin/facter sshfp_rsa
[...]
(rdb:1) p fact.value
"Linux"
(rdb:1) n
/usr/lib/ruby/site_ruby/1.8/facter/zones.rb:15:if Facter.value(:kernel) == 
''SunOS''
(rdb:1) c
Breakpoint 1, value at 
/usr/lib/ruby/site_ruby/1.8/facter/util/collection.rb:140
/usr/lib/ruby/site_ruby/1.8/facter/util/collection.rb:140:      fact.value
(rdb:1) p fact.value
Illegal instruction

How it is possible to find the reason?

Thanks!

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additional info:

#0:/usr/lib/ruby/site_ruby/1.8/facter/util/collection.rb:89:Hash:>:     if 
@facts.empty?
#0:/usr/lib/ruby/site_ruby/1.8/facter/util/collection.rb:89:Hash:<:     if 
@facts.empty?
#0:/usr/lib/ruby/site_ruby/1.8/facter/util/collection.rb:89:Facter::Util::Collection:-:
    if @facts.empty?
/usr/lib/ruby/site_ruby/1.8/facter/util/collection.rb:89:    if 
@facts.empty?
(rdb:1) 
n
#0:/usr/lib/ruby/site_ruby/1.8/facter/util/collection.rb:93:Facter::Util::Collection:-:
    @facts[name]
/usr/lib/ruby/site_ruby/1.8/facter/util/collection.rb:93:    @facts[name]
(rdb:1) 
n
#0:/usr/lib/ruby/site_ruby/1.8/facter/util/collection.rb:93:Hash:>:     
@facts[name]
#0:/usr/lib/ruby/site_ruby/1.8/facter/util/collection.rb:93:Hash:<:     
@facts[name]
#0:/usr/lib/ruby/site_ruby/1.8/facter/util/collection.rb:93:Facter::Util::Collection:<:
    @facts[name]
#0:/usr/lib/ruby/site_ruby/1.8/facter/util/collection.rb:139:Facter::Util::Collection:-:
    if fact = fact(name)
/usr/lib/ruby/site_ruby/1.8/facter/util/collection.rb:139:    if fact = 
fact(name)
(rdb:1) list
[134, 143] in /usr/lib/ruby/site_ruby/1.8/facter/util/collection.rb
   134        h
   135      end
   136    end
   137  
   138    def value(name)
=> 139      if fact = fact(name)
   140        fact.value
   141      end
   142    end
   143  
(rdb:1) pp fact
#<Facter::Util::Fact:0x7f25753365c0
 @ldapname="sshfp_rsa",
 @name=:sshfp_rsa,
 @resolves  [#<Facter::Util::Resolution:0x7f2575328a10
    @code    
 #<Proc:0x00007f25753dbc28@/usr/lib/ruby/site_ruby/1.8/facter/ssh.rb:44>,
    @confines=[],
    @name=:sshfp_rsa,
    @timeout=0,
    @value=nil,
    @weight=nil>],
 @searching=false,
 @value=nil>
(rdb:1) n
#0:/usr/lib/ruby/site_ruby/1.8/facter/util/collection.rb:140:Facter::Util::Collection:-:
      fact.value
/usr/lib/ruby/site_ruby/1.8/facter/util/collection.rb:140:      fact.value
(rdb:1) pp fact.value
Illegal instruction

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Looks like this is a some problem with ruby/dependencies

[root@ndb2r0 ~]# cat 1.rb
#!/usr/bin/ruby
#
require ''digest/sha1''
require ''base64''
require ''digest/sha2''
puts Digest::SHA256.hexdigest("123")
[root@ndb2r0 ~]# ruby 1.rb
Illegal instruction

But this version looks good:

[root@ndb2r0 ~]# cat 1.rb
#!/usr/bin/ruby
#
#require ''digest/sha1''
require ''base64''
require ''digest/sha2''
puts Digest::SHA256.hexdigest("123")
[root@ndb2r0 ~]# ruby 1.rb
a665a45920422f9d417e4867efdc4fb8a04a1f3fff1fa07e998e86f7f7a27ae3

# ruby -v
ruby 1.8.7 (2012-10-12 patchlevel 371) [x86_64-linux]

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