(gdb) bt #0 0x00007f99d355edd3 in select () from /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007f99d57a6c4e in pg_usleep () #2 0x00007f99d56836a0 in ?? () #3 0x00007f99d5683b43 in StandbyAcquireAccessExclusiveLock () #4 0x00007f99d5683f6c in standby_redo () #5 0x00007f99d54ed01d in StartupXLOG () #6 0x00007f99d565454f in StartupProcessMain () #7 0x00007f99d54f8d0d in AuxiliaryProcessMain () #8 0x00007f99d56512f3 in ?? () #9 0x00007f99d56537f7 in PostmasterMain () #10 0x00007f99d54886d0 in main () (gdb) frame 3 #3 0x00007f99d5683b43 in StandbyAcquireAccessExclusiveLock () (gdb) info reg rax 0xfffffffffffffdfe -514 rbx 0x1 1 rcx 0xffffffffffffffff -1 rdx 0x0 0 rsi 0x0 0 rdi 0x0 0 rbp 0x7ffd410c33e0 0x7ffd410c33e0 rsp 0x7ffd410c33a0 0x7ffd410c33a0 r8 0x7ffd410c3330 140725694772016 r9 0x0 0 r10 0x0 0 r11 0x246 582 r12 0x7a1e 31262 r13 0x7882 30850 r14 0x7f99d79a5dd0 140298723941840 r15 0x7f99d5bb9b60 140298692565856 rip 0x7f99d5683b43 0x7f99d5683b43 eflags 0x246 [ PF ZF IF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0