Re: [rdiff-backup-users] error in long running system

[Andrew Ferguson]

Iain Dooley wrote:
> hi all, i've been running rdiff-backup for about a year and a half with no 
> troubles. i use version 1.1.5 on freebsd 6.2R.
> 
> yesterday on two of my systems, i got the error below. other systems are 
> still running correctly.

> socata# /root/backup.sh
>    File "/usr/local/lib/python2.4/site-packages/rdiff_backup/Main.py", line 
> 810, in checkdest_need_check
>      if not force: curmir_incs[0].conn.regress.check_pids(curmir_incs)
>    File 
> "/usr/local/lib/python2.4/site-packages/rdiff_backup/connection.py", line 
> 448, in __call__
>      return apply(self.connection.reval, (self.name,) + args)
>    File 
> "/usr/local/lib/python2.4/site-packages/rdiff_backup/connection.py", line 
> 367, in reval
>      for arg in args: self._put(arg, req_num)
>    File 
> "/usr/local/lib/python2.4/site-packages/rdiff_backup/connection.py", line 
> 139, in _put
>      else: self._putobj(obj, req_num)
>    File 
> "/usr/local/lib/python2.4/site-packages/rdiff_backup/connection.py", line 
> 144, in _putobj
>      self._write("o", pickle.dumps(obj, 1), req_num)
>    File "/usr/local/lib/python2.4/pickle.py", line 1386, in dumps
>      Pickler(file, protocol, bin).dump(obj)
>    File "/usr/local/lib/python2.4/pickle.py", line 231, in dump
>      self.save(obj)
>    File "/usr/local/lib/python2.4/pickle.py", line 293, in save
>      f(self, obj) # Call unbound method with explicit self
>    File "/usr/local/lib/python2.4/pickle.py", line 614, in save_list
>      self._batch_appends(iter(obj))
>    File "/usr/local/lib/python2.4/pickle.py", line 647, in _batch_appends
>      save(x)
>    File "/usr/local/lib/python2.4/pickle.py", line 293, in save
>      f(self, obj) # Call unbound method with explicit self
>    File "/usr/local/lib/python2.4/pickle.py", line 737, in save_inst
>      stuff = getstate()
>    File "/usr/local/lib/python2.4/site-packages/rdiff_backup/rpath.py", 
> line 754, in __getstate__
>      assert self.conn is Globals.local_connection


Iain,

The bug you are seeing was fixed in version 1.1.12. Unfortunately, the
bug was in the rdiff-backup network protocol, which required that I
break the protocol in 1.1.12 in order to fix it.

Since you are using rdiff-backup on several computers, you would need to
upgrade rdiff-backup to version 1.1.14 on ALL of your computers if you
wanted to use the fixed version on one of them.

HOWEVER, there is a workaround: You can add the --force option to
rdiff-backup, and it will skip the code pathway that leads to this bug.



Best,
Andrew


-- 
Andrew Ferguson - address@hidden