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Gilbert - not exactly the same errors, but similar. Steve and I are in the Unidata Users/Advisory Committee today and tomorrow, but I was logging into our servers to see if we have a time sync on when you saw your errors and when we see ours. I apologize for the delay, but we had been working over the weekend to trap, debug, and hopefully resolve. Stonie >> In response to: After an indeterminant amount of time, these log errors start showing up, and users cannot connect to the LDM: 20221114T155804.496690Z wx-goes.cod.edu(feed)[159314] pq.c:rgn2_reserve:3776 ERROR Bad file descriptor 20221114T155804.496706Z wx-goes.cod.edu(feed)[159314] pq.c:rgn2_reserve:3776 ERROR rgn_lock() failure 20221114T155804.496722Z wx-goes.cod.edu(feed)[159314] pq.c:mm0_ftom:4361 ERROR rgn2_reserve() failure 20221114T155804.496750Z wx-goes.cod.edu(feed)[159314] up6.c:up6_run:532 ERROR Product send failure: Unknown error -4 20221114T155804.496885Z wx-goes.cod.edu(feed)[159314] ldmd.c:cleanup:294 NOTE Exiting 20221114T155804.497602Z wxgoes.cod.edu(feed)[159315] up6.c:up6_run:443 NOTE Starting Up(6.13.17/6): 20221114153803.490292 TS_ENDT {{HDS, "^ IXT.[89]9 KNES.*"}}, SIG=7f39f518bf6c082657f40a0282315363, Alternate 20221114T155804.497630Z wxgoes.cod.edu(feed)[159315] up6.c:up6_run:448 NOTE topo: wxgoes.cod.edu {{HDS, (.*)}} 20221114T155804.497669Z wxgoes.cod.edu(feed)[159315] pq.c:fd_lock:3483 ERROR Bad file descriptor 20221114T155804.497683Z wxgoes.cod.edu(feed)[159315] pq.c:fd_lock:3483 ERROR fcntl(3, F_RDLCK) failed for region {whence: SEEK_SET, off: 0, extent: 4096} 20221114T155804.497696Z wxgoes.cod.edu(feed)[159315] pq.c:rgn2_reserve:3776 ERROR Bad file descriptor 20221114T155804.497708Z wxgoes.cod.edu(feed)[159315] pq.c:rgn2_reserve:3776 ERROR rgn_lock() failure 20221114T155804.497720Z wxgoes.cod.edu(feed)[159315] pq.c:mm0_ftom:4361 ERROR rgn2_reserve() failure 20221114T155804.497734Z wxgoes.cod.edu(feed)[159315] up6.c:up6_run:532 ERROR Product send failure: Unknown error -4 20221114T155804.497810Z climate.cod.edu(feed)[159316] up6.c:up6_run:443 NOTE Starting Up(6.13.17/6): 20221114152803.491695 TS_ENDT {{EXP, "^ IA.rwis.......sao"}}, SIG=bb680ff918f4ccdb01b6a3a4906a46d4, Alternate Ticket Details =================== Ticket ID: KGU-479417 Department: Support LDM Priority: Normal Status: Open =================== NOTE: All email exchanges with Unidata User Support are recorded in the Unidata inquiry tracking system and then made publicly available through the web. If you do not want to have your interactions made available in this way, you must let us know in each email you send to us.