> I am looking for system errors and nothing is there. But I have a lot of > messages on system APP errors. The error is the same every ten seconds or > so. > > This is the main error: > * FATAL: could not reattach to shared memory (key=5432001, addr=01D80000): > Invalid argument
Please run "ipcs" on a command line window and paste the results.
I see a minor problem in that code: we are invoking two system calls (shmget and shmat) but the log does not say which one failed. However in this case it seems only shmget could be returning EINVAL.