Maxim Boguk <mboguk(at)masterhost(dot)ru> writes:
> ktrace/kdump this process show just one sequence:
> 69360 postgres CALL poll(0x7fffffffd4e0,0x1,0x7d0)
> 69360 postgres RET poll -1 errno 4 Interrupted system call
> 69360 postgres CALL poll(0x7fffffffd4e0,0x1,0x7d0)
> 69360 postgres RET poll -1 errno 4 Interrupted system call
So why is the poll() always returning EINTR? I think you're looking
at a kernel bug.
regards, tom lane