[Unison-hackers] unison major and minor version numbers (need > 2.17?)

Benjamin Pierce bcpierce at cis.upenn.edu
Wed Mar 7 10:26:48 EST 2007


Aha -- this could be very useful.  This is a known bug, but we have  
been having trouble making a repeatable example of it.

When you say "i sync A to a common, initially empty archive.  i then  
attempt to sync B to that same archive," do you mean that you are  
using *three* replicas, running unison between two pairs of them?   
(Unison uses the word "archive" for its own internal state that's  
stored between runs.)

What OS are you running on?  Linux?

Thanks,

   - Benjamin


On Mar 7, 2007, at 10:05 AM, Seth Teller wrote:

>
> hello,
>
> in case it's easier to just solve my original problem:
> the output of unison -debug all is excerpted below up
> to the point of
>
>    Fatal error: Internal error: New archives are not identical.
>
> does anyone know why this is occurring and how to fix it?
>
> the usage scenario is that i have two laptops A and B with
> slightly different directory trees.  i sync A to a common,
> initially empty archive.  i then attempt to sync B to that
> same archive.  the fatal error below issues, repeatably.
>
> thanks,
>
> seth
>
>
>
> [remote_emit] Remaining tokens: 00\000\000\015\000\000...' 35 bytes
> [server: remote_emit] Received the write permission
> [server: remote_emit] Received write token (1)
> [remote_emit] Restarting readeren
> [remote_emit] Waiting for next message
> [server: remote_emit] Waiting for next message
> [server: update] Saving archive in
> /afs/csail.mit.edu/u/s/seth/.unison/sce67c05688562d423b0f0ff094369de99
> [server: remote_emit] Sending result (id: 15)
> [server: remote_emit] send [prepareCommit-res]
> '\132\149\166\190\000\000\000\006\000\000...' 26 bytes
> [server: remote_emit] send [rsp]
> '\132\149\166\190\000\000\000\001\000\000...' 21 bytes
> [server: remote_emit] Remaining tokens: 0
> [server: remote_emit] Sending write token
> [server: remote_emit] Message received (id: 16) (tokens: 1)
> [server: remote_emit] receive 'rsp\132\149\166\190\000\000\000...' 38
> bytes[remote_emit] Message received (id: 16) (toke
> ns: 1)
> [remote_emit] receive 'rspäòª+\000\000\000...' 24 bytes
> [server: remote_emit] receive 'unlockArch...' 76 bytes
> [server: remote_emit] Waiting for next message
> [server: remote_emit] Received the write permission
> [server: remote_emit] Received write token (1)<
>> [server: remote_emit] Waiting for next message!
> [server: remote_emit] Sending result (id: 16)
> [server: remote_emit] send [unlockArchive-res]
> '\132\149\166\190\000\000\000\001\000\000...' 21 bytes
> [server: remote_emit] send [rsp]
> '\132\149\166\190\000\000\000\001\000\000...' 21 bytes
> [server: remote_emit] Remaining tokens: 0ª+\000\000\000&\000 
> \000...' 58
> bytes
> [server: remote_emit] Sending write token0\013\000\000...' 33 bytes
> <>!<>![server: remote_emit] Message received (id: 17) (tokens: 1)
> [server: remote_emit] receive 'rsp\132\149\166\190\000\000\000...'  
> 36 bytes
> [server: remote_emit] receive 'dumpArchiv...' 74 bytes
> [server: remote_emit] Waiting for next message[remote_emit] Message
> received (id: 17) (tokens: 1)
> [server: remote_emit] Received the write permissionytes
> [server: remote_emit] Received write token (1)d
> Settings\seth\Desktop\unison\unison.dump'
> [server: remote_emit] Waiting for next message
> [server: update] Dumping archive into
> `/afs/csail.mit.edu/u/s/seth/unison.dump'
> [server: remote_emit] Sending result (id: 17)
> [server: remote_emit] send [dumpArchive-res]
> '\132\149\166\190\000\000\000\001\000\000...' 21 bytes
> [server: remote_emit] send [rsp]
> '\132\149\166\190\000\000\000\001\000\000...' 21 bytes identical.
> [server: remote_emit] Remaining tokens: 0Unison again to bring them up
> to date.
> [server: remote_emit] Sending write token
> Fatal error: Internal error: New archives are not identical.
> C:\Documents and Settings\seth\Desktop>REM  > "C:\Documents and
> Settings\seth\Desktop\unison.txt" &
>
> C:\Documents and Settings\seth\Desktop>REM tail -f "C:\Documents and
> Settings\seth\Desktop\unison.txt"
>
> C:\Documents and Settings\seth\Desktop>REM wait until ctrl-C or window
> is closed
>
> C:\Documents and Settings\seth\Desktop>pause
> Press any key to continue . . . [server: remote] Connection closed by
> the client
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