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Diffstat (limited to 'results/classifier/mode-deepseek-r1:32b/reasoning/system/1922773')
| -rw-r--r-- | results/classifier/mode-deepseek-r1:32b/reasoning/system/1922773 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/results/classifier/mode-deepseek-r1:32b/reasoning/system/1922773 b/results/classifier/mode-deepseek-r1:32b/reasoning/system/1922773 new file mode 100644 index 000000000..600f1c6bc --- /dev/null +++ b/results/classifier/mode-deepseek-r1:32b/reasoning/system/1922773 @@ -0,0 +1,17 @@ +<think> +Okay, I need to figure out whether this bug report is classified as 'user-mode' or 'system-mode'. Let's go through the information provided. + +The user is running a machine learning model on QEMU RISC-V32 and encountered an illegal instruction exception. The code breaks at 0x8000bd8a, which corresponds to the instruction `fmv.w.x fa5, zero`. The mcause register shows 0x02, indicating an illegal instruction. + +Looking at the assembly code for RISC-V32, I notice that some instructions like `addiw` and `slliw` are present. These are RV32I instructions but might not be supported in all contexts. The same operation on RISC-V64 runs without issues, which suggests a potential problem with how certain instructions are handled in 32-bit mode. + +The user has tested this on both QEMU 5.1.0 and 5.2.0, so it's likely not a version-specific bug but rather a general issue with the emulator handling RISC-V32 instructions. + +Now, classifying this: An illegal instruction exception can occur if the CPU doesn't recognize an instruction. If the instruction is indeed invalid for RISC-V32, that would be a user-mode issue because it's about the code generated by the compiler or runtime not being compatible with the target architecture. However, if QEMU incorrectly emulates the instructions, then it might be a system-mode issue related to the emulator itself. + +Given that the same code runs fine on RISC-V64, it points towards an issue in how QEMU handles certain instructions in 32-bit mode. The user is using Zephyr, which is an RTOS, so there could be interactions with device drivers or system calls, but since the exception is happening during user-level code execution (the ML model), it's more likely a problem with the generated machine code not being compatible with QEMU's RISC-V32 implementation. + +Therefore, this seems like a bug in how QEMU emulates the RISC-V32 instructions, possibly not supporting certain RV32I extensions or handling them incorrectly. This would be a system-mode issue because it relates to the emulator's ability to correctly execute user code. +</think> + +system \ No newline at end of file |