Okay, so I need to classify this bug report as either 'user-mode' or 'system-mode'. Let me read through the problem again. The user is packaging QEMU for Arch Linux and wants to upgrade to version 8.0.4 but can't find a signed source tarball on the download page. Hmm, QEMU itself is system-level software because it's used for virtualization, managing hardware resources, emulating devices, etc. So when they're talking about upgrading QEMU, that's definitely related to how the system operates at a low level. The absence of a signed tarball affects their ability to package this essential system component. I think since QEMU is involved with system operations and virtualization, which requires higher privileges and interacts with hardware, it falls under 'system-mode'. So I should classify this bug report as 'system'. The issue pertains to the absence of a signed source tarball for QEMU 8.0.4, impacting its packaging for Arch Linux. QEMU operates at a system level due to its virtualization and hardware interaction. system