Okay, let's try to figure out the category for this bug. The user is saying that when using gdbserver with QEMU on ARM Linux, pressing Ctrl-C doesn't interrupt the program as expected. They provided steps to reproduce, which involve starting QEMU with gdbserver and connecting with GDB. The problem is that the Ctrl-C interrupts are ignored. First, I need to recall what each category means. The options are instruction, syscall, or runtime. The instruction category is for when a specific instruction is faulty. The bug here isn't about a particular CPU instruction, though. It's about handling interrupts from the debugger. The syscall category is for errors related to system calls. The program in question uses syscalls like printf and sleep, but the issue is about interrupt handling via Ctrl-C in GDB, not a specific syscall failing or behaving incorrectly. Runtime errors are other issues that occur during execution. Since the problem is about the debugger not responding to interrupts during runtime, this seems like a runtime issue. The gdbserver might not be properly handling the signals sent by GDB's Ctrl-C, which is part of the runtime interaction between GDB and the debugger server. I think the correct category here is runtime. The problem isn't a specific instruction or syscall but rather how the debugger interaction is handled during execution. runtime