Slow machine, high stress. I think/hope that PG is the victim of an overstressed machine. Has anyone faced this issue in the past? Thanks Danny Segmentation fault in _alloc_initial_pthread at 0x900000000521474 0x900000000521474 (_alloc_initial_pthread+0x1d4) e8030000 ld r0,0x0(r3) (dbx) where _alloc_initial_pthread(??) at 0x900000000521474 __pth_init(??) at 0x90000000051f390 uload(??, ??, ??, ??, ??, ??) at 0x9fffffff000ab70 load1(??, ??, ??, ??) at 0x900000000000b74 load(??, ??, ??) at 0x900000000001ef0 loadAndInit(??, ??, ??) at 0x90000000005b38c dlopen(??, ??) at 0x90000000009bfe0 internal_load_library(??) at 0x10014c684 RestoreLibraryState(??) at 0x10014d79c ParallelWorkerMain(??) at 0x1000bb2d0 StartBackgroundWorker() at 0x10026cd94 maybe_start_bgworkers() at 0x10003834c sigusr1_handler(??) at 0x10003902c __fd_select(??, ??, ??, ??, ??) at 0x9000000001567fc ServerLoop() at 0x1004cec90 PostmasterMain(??, ??) at 0x10003a4e8 main(??, ??) at 0x1000008f8