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   comp.protocols.tcp-ip      TCP and IP network protocols.      14,669 messages   

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   Message 13,060 of 14,669   
   Paul Carpenter to All   
   Re: Windows tcp Rx hanging   
   21 Sep 09 23:05:34   
   
   f98dc27d   
   XPost: comp.arch.embedded, sci.electronics.design   
   From: paul@pcserviceselectronics.co.uk   
      
   In article , dp@tgi-sci.com says...   
   > On Sep 14, 9:30 am, Dimiter Popoff  wrote:   
   > > On Sep 14, 8:40 am, Nobody  wrote:   
   > >   
   > > > ....   
   > > > OTOH, the sender should always be able to handle the receiver failing to   
   > > > handle its advertised window size (i.e. window shrinking).   
   > >   
   > > Well yes, but it cannot do much except probing and waiting.   
   > > ...   
   >    
   > Out of curiousity - and after a wasted week because of a running   
   > nose and a head full of what should have been some rubber glue - I   
   > tried to make the stuck windows host happy, i.e. I began probing   
   > it not by repeating the segment it was partially ack-ing, but just   
   > with the part past what it had acked in the hope it would   
   > eventually recover.   
   >    
   > No such luck, though. Absolutely no change, keeps on repeating   
   > the same (acks the position it had last acked, window size 0).   
   > Clearly dead - not that it was not obvious before that, I know   
   > a messed up system when I see it, but I did try and thought   
   > I'd post the result as well.   
   > Only with filezilla, though - another ftp server, xlight something,   
   > does not do it.   
      
   Considering, the problems I have seen with their Passive mode support   
   on filezilla client, to connect through an ftp-proxy to external   
   ftp servers, I would blame filezilla.   
      
   In my case I replaced the client with a 10 year old ftp client   
   on the SAME system and everything worked.   
      
   ...   
      
   > I tried to install an ftp server under linux to do the same   
   > test, but after wasting an hour to make that run (under ubuntu)   
   > without success I gave up, no time for that now.   
      
   If you can get it going you will probably find it works.   
      
   Now back to sorting some bugs in some USB to SPI controller   
   driver, that does not work for all CPOL and CPHA modes as    
   advertised.   
      
   --    
   Paul Carpenter          | paul@pcserviceselectronics.co.uk   
       PC Services   
    Timing Diagram Font   
     GNU H8 - compiler & Renesas H8/H8S/H8 Tiny   
    For those web sites you hate   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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