tinc - Dec 2012 - Tinc 1.1pre3, 1.1pre4 hangs after some time, on win32 platform

Dear tinc members!

 Recently I ran into some problems when trying to test the new tinc 1.1 builds
under windows. The main problem is that the tincd daemon randomly hangs (usually
in first 1-3 minutes after start). Sometimes it happens quietly, and the log
does not display anything. But from time to time, there are bunch of decryption
errors ("Error while decrypting: error:06065064:digital envelope
routines..") before the actual hanging

 I've alerady tried to recreate all config files (including encryption keys)
for both sides, and minimizing them by remove all unnecessary things. Here is
the current configs:

Side 1:

tinc.conf 

Name = client
ConnectTo = server
Mode = switch

Side 2:

tinc.conf 

Name = server
ConnectTo = client
Mode = switch

host configs contains only Address=XXX and the crypto keys as shown below:

Address = wan1.ourdomain (wan2.ourdomain for other side)

-----BEGIN RSA PUBLIC KEY-----
(cut)
-----END RSA PUBLIC KEY-----
ECDSAPublicKey = (cut)

PS: tinc 1.0.19, which runs in our production environment runs perfectly with
same configs on the same machines

I'll appreciate any help or advice on that problem!
Thanks in advance

On Fri, Dec 07, 2012 at 11:27:33AM +0400, fantomtk wrote:
>  Recently I ran into some problems when trying to test the new tinc 1.1
builds under windows. The main problem is that the tincd daemon randomly hangs
(usually in first 1-3 minutes after start). Sometimes it happens quietly, and
the log does not display anything. But from time to time, there are bunch of
decryption errors ("Error while decrypting: error:06065064:digital envelope
routines..") before the actual hanging.
The decryption errors are likely harmless, these can occur when UDP packets
overtake session key exchange via TCP. I could reproduce the hangs; a bug in
the processing of periodic events caused an infinite loop to occur. It is now
fixed in git. I'll release a new version with the fix soon.

-- 
Met vriendelijke groet / with kind regards,
     Guus Sliepen <guus at tinc-vpn.org>
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