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Diffstat (limited to 'results/classifier/deepseek-2/reasoning/mistranslation/1667401')
| -rw-r--r-- | results/classifier/deepseek-2/reasoning/mistranslation/1667401 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/results/classifier/deepseek-2/reasoning/mistranslation/1667401 b/results/classifier/deepseek-2/reasoning/mistranslation/1667401 new file mode 100644 index 000000000..6599a1177 --- /dev/null +++ b/results/classifier/deepseek-2/reasoning/mistranslation/1667401 @@ -0,0 +1,21 @@ +<think> +Alright, I'm trying to figure out how to classify this bug report for QEMU. Let's start by reading through the details provided. + +The user reports that when running a test program using `qemu-ppc`, it segfaults with a message related to `pthread_create`. The issue occurs both on x86-64 and PPC 604 hardware, which suggests that the problem isn't architecture-specific but rather something within QEMU's handling of threads. + +Looking at the test.c file, it creates a pthread, joins it, and exits. When the pthread functions are removed, the program works fine. This points towards an issue with how QEMU handles thread creation for PowerPC binaries on x86-64 hosts. + +The error message mentions `tb_lock` assertion failures in `translate-all.c`. I recall that `tb_lock` is related to translation blocks in QEMU's CPU translation process. The segfault happens when creating a new thread, which might involve some low-level system calls and memory management. + +Since the problem arises specifically with pthreads, it likely involves the way QEMU emulates threading for the target architecture. This could be an issue in the user-mode assembly or how signals are handled when running under emulation. + +Possible categories given include 'mistranslation', 'assembly', and others. Given that the error occurs during thread creation, which is a low-level operation, it's probably related to how QEMU translates system calls into the target architecture's instructions. Mistranslation would involve incorrect mapping from the host (x86-64) to the target (PPC), leading to unexpected behavior. + +Alternatively, if the issue lies in the assembly lowering phase or signal handling within the emulation, it might fall under 'assembly'. However, since the problem is about threading and the specific error points to translation blocks, I think 'mistranslation' is more accurate. +</think> + +The bug occurs when QEMU's PowerPC emulator runs a program that uses pthreads, causing a segfault. The issue seems related to how QEMU handles thread creation for the target architecture, possibly due to incorrect mapping of threading primitives from x86-64 to PPC. This points towards an error in semantic translation between architectures. + +**mistranslation** + +Answer: mistranslation \ No newline at end of file |