diff options
Diffstat (limited to 'results/classifier/deepseek-r1:32b/reasoning/instruction/1908626')
| -rw-r--r-- | results/classifier/deepseek-r1:32b/reasoning/instruction/1908626 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:32b/reasoning/instruction/1908626 b/results/classifier/deepseek-r1:32b/reasoning/instruction/1908626 new file mode 100644 index 00000000..89b00bcb --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/instruction/1908626 @@ -0,0 +1,23 @@ +<think> +Okay, I need to figure out how to classify this bug report into one of the given categories: instruction, syscall, or runtime. Let me start by understanding the problem described. + +The user is trying to run PostgreSQL/Greenplum inside a Docker container using qemu-aarch64-static on CentOS 7 x86_64 as the host. The issue arises with spinlocks causing panics and getting stuck. They've narrowed it down to the spinlock implementation, which works fine on a physical ARM64 server but not in this setup. + +The test code they wrote also shows that the spinlock is timing out, indicating some kind of deadlock or failure to acquire the lock correctly. The logs show processes repeatedly trying to acquire the lock with values stuck at 1, suggesting an issue with how the locks are being handled. + +Now, looking into why this might be happening: the spinlock uses atomic operations. In their code, they're using `test_and_set` which is a low-level atomic operation. If this isn't working as expected under qemu, it could be due to incorrect handling of these atomic instructions by the emulator. + +The possible categories are: + +1. **Instruction**: Faulty instruction in the bug report. +2. **Syscall**: Error with a system call. +3. **Runtime**: Other runtime errors. + +Since the problem is related to an atomic operation (`test_and_set`), which is an assembly-level instruction, and the issue occurs specifically when running under qemu (emulating ARM64 on x86_64), it's likely that qemu isn't correctly emulating this instruction. Therefore, the bug is with how qemu handles certain instructions. + +I don't see any mention of system calls failing; the issue seems to be with the atomic operations themselves. So, it doesn't fall under syscall. It also isn't a general runtime error but rather something specific to an instruction's handling. Hence, the category should be "instruction." +</think> + +The bug is due to the incorrect emulation of the `test_and_set` atomic instruction by qemu, leading to spinlock issues. + +instruction \ No newline at end of file |