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authorChristian Krinitsin <mail@krinitsin.com>2025-07-05 07:53:40 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-05 07:53:40 +0000
commit40bbb77d4dfebff4f99c2f90b2c0db737b0ecc5a (patch)
treeb48e8ed73df5afe4df4f14b919a092200cb32a80 /results/classifier/mode-deepseek-r1:32b/reasoning/user/2971
parent55df9e6905dc57854bea8e34d1e71ea383eb0352 (diff)
downloademulator-bug-study-40bbb77d4dfebff4f99c2f90b2c0db737b0ecc5a.tar.gz
emulator-bug-study-40bbb77d4dfebff4f99c2f90b2c0db737b0ecc5a.zip
add deepseek classification results: classifies into user and system mode
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+<think>
+Okay, I need to classify this bug report as either 'user-mode' or 'system-mode'. Let me go through the details step by step.
+
+First, the issue is about QEMU crashing when decoding certain instructions (`vldi` and `xvldi`). The problem occurs because these instructions have illegal immediates. On real hardware (Loongson 3A5000), executing such instructions results in a SIGILL signal, which indicates an invalid instruction.
+
+The test program provided uses inline assembly to insert the problematic instruction. When run under QEMU, it causes a crash due to an assertion failure in the decoder. This suggests that the issue is related to how QEMU handles these specific instructions during execution.
+
+QEMU can emulate both user-mode and system-mode applications. User-mode emulation typically involves running unprivileged processes without full OS support, while system-mode includes emulating the entire system, including peripherals and higher privilege levels.
+
+In this case, the test program doesn't seem to require any special privileges or involve system-level operations like device access or interrupt handling. It's a simple application that directly executes an invalid instruction. Therefore, it's likely running in user mode within QEMU.
+
+Moreover, the crash is happening during the decoding of an instruction in the CPU emulator, which is part of the user-mode setup. The problem doesn't involve system calls, device drivers, or higher-privilege operations, so it fits more into the user-mode category.
+
+So, putting it all together, this bug report should be classified under 'user' mode.
+</think>
+
+The issue involves QEMU crashing when executing an invalid instruction in a user-space program. The problem doesn't relate to system-level components but rather how user-mode instructions are handled.
+
+user
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