[Csync2] Format error while receiving data after segfault

[Vincent Régnard]

Hi all,

With a large setup, resyncing from scratch after a -TIUX and doing a 
full synchronisation afterward, csync2 process hangs up and crashes 
sometimes client side, sometimes server side dumping a core. This setup 
was running fine before for smaller updates executed on a regular basis.

postmortem analysing core file with gdb says:

Core was generated by `/usr/sbin/csync2 -ii -vvv'.
Program terminated with signal 11, Segmentation fault

With the exact same configuration a few weeks ago I ran this 
synchronisation (10 hours run) but this ended normally, before putting 
the servers in production environement.

I can imagine this is a memory related problem, I thing the systems is 
starting swapping at some point or something like this.

How can I help debuging this problem ?

-vvv both client and server side do not indicate anything usefull when 
crash occur.

The message "Format error while receiving data" appears client side when 
crash occur server side.

When crash happens client side no message nor indication shows up any side.

-- 
Vincent Régnard
vregnard at tbs-internet.com
TBS-internet.com
027 630 5902

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