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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-06 16:43:19 +0000 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-06 16:43:19 +0000 |
| commit | 238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd (patch) | |
| tree | cd8a1b75ba7b3543eb7fe6857f408e7be4d9fd0b /results/classifier/deepseek-r1:32b/reasoning/syscall/1701971 | |
| parent | 96049c939b1916d80532630d63c14e04d5244f1d (diff) | |
| download | emulator-bug-study-238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd.tar.gz emulator-bug-study-238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd.zip | |
add results
Diffstat (limited to 'results/classifier/deepseek-r1:32b/reasoning/syscall/1701971')
| -rw-r--r-- | results/classifier/deepseek-r1:32b/reasoning/syscall/1701971 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1701971 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1701971 new file mode 100644 index 00000000..ee2bd980 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1701971 @@ -0,0 +1,15 @@ +<think> +Okay, so I'm trying to figure out how to classify this bug report about multithreading issues under QEMU user mode for SH4. The user provided a detailed scenario where their program works correctly on native platforms and other emulated architectures but hangs when using qemu-sh4. + +First, the problem occurs during thread termination or when using pthread_join. From the stack traces provided, it looks like many threads are stuck in futex operations. Futexes (fast user-space mutexes) are used for synchronization between threads, so if they're not working as expected, that could cause deadlocks or hangs. + +The program works on other architectures, which suggests it's specific to how QEMU emulates SH4. The fact that the issue arises with multithreading points towards thread management or system call handling within QEMU. + +Looking at the stack traces, they show calls into safe_futex and do_syscall in QEMU's code. This indicates that the problem is likely related to how QEMU handles futex syscalls on SH4. Futex operations might not be correctly implemented or are getting stuck, causing threads to hang indefinitely. + +Since the issue revolves around system calls (specifically futex) not behaving as expected under emulation, I think this falls into the "syscall" category. The problem isn't with an instruction execution per se but rather how QEMU manages and emulates these critical syscalls for thread synchronization. +</think> + +The bug is related to how QEMU handles syscalls, particularly futex operations, which are crucial for multithreading. Therefore, it's categorized under: + +**syscall** \ No newline at end of file |