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syscall: signal SIGURG(I/O condition) on go1.14.1, but no SIGURG signal before go 1.14 #38290
What version of Go are you using (
go1.14 implements non-cooperative preemption, chooses SIGURG as the signal to notify the thread to stop goroutine. golang/go#38290 (comment) So, in debugger, SIGURG should be ignored.