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Diffstat (limited to 'results/classifier/qwen3:32b/reasoning/syscall/2309')
| -rw-r--r-- | results/classifier/qwen3:32b/reasoning/syscall/2309 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/results/classifier/qwen3:32b/reasoning/syscall/2309 b/results/classifier/qwen3:32b/reasoning/syscall/2309 new file mode 100644 index 000000000..1309a52e1 --- /dev/null +++ b/results/classifier/qwen3:32b/reasoning/syscall/2309 @@ -0,0 +1,21 @@ +<think> +Okay, let's see. The user is reporting that qemu-aarch64 hangs when running cargo tests after upgrading libc6 to version 2.36-9+deb12u6. The problem doesn't happen with an earlier version of libc6, and the same binary works on a real ARM64 target. So, the issue seems specific to QEMU when using the newer libc version. + +First, I need to figure out what category this falls into: instruction, syscall, or runtime. + +The user mentions that QEMU is hanging with 100% CPU usage and that GDB can't interrupt it. That suggests the problem might be in how QEMU is handling some system calls or maybe some instructions specific to the newer libc. Since the binary works on real hardware, it's probably not an issue with the code itself but how QEMU emulates the environment. + +The libc upgrade might have introduced changes in system calls or how certain functions are handled. If QEMU isn't correctly emulating a particular syscall that the newer libc uses, that could cause a hang. For example, maybe a new syscall in the updated libc isn't recognized by QEMU, leading to an infinite loop or a blockage. + +Alternatively, it could be an instruction issue if the newer libc uses CPU features that QEMU doesn't emulate properly. However, the user specified the target CPU as neoverse-n1 in their config, so maybe QEMU isn't handling those instructions correctly. But since the same binary runs on real hardware, it's more likely that the real CPU supports those instructions, whereas QEMU might not be emulating them properly. However, the problem only occurs with the newer libc version. So perhaps the newer libc is using different syscalls or some runtime behavior that QEMU isn't handling. + +Another angle: when they run cargo test, it's possible that during test execution, some setup or teardown involving syscalls (like fork, execve, or others) isn't working as expected in QEMU. For example, if the newer libc uses a different method for threading or process creation, QEMU's syscall emulation might not be handling that correctly, leading to a deadlock or infinite loop. + +Since the problem is tied to a specific libc version and QEMU, and the issue is about the runtime behavior (hanging during test execution), it's probably a runtime issue. However, if it's specifically a syscall that's not handled, then it would be a syscall category. But given that the user can't interrupt with GDB and it's using 100% CPU, maybe it's stuck in a loop caused by a syscall that QEMU isn't processing. But without more info on which syscall, it's hard to say. + +The key is that the problem is with the interaction between the newer libc (which might use different syscalls or behaviors) and QEMU's emulation. Since the categories are instruction, syscall, or runtime, and the problem isn't clearly an incorrect instruction (since it works on real hardware), and it's related to system call handling (as libc changes might affect syscalls), but the user hasn't specified a particular syscall. However, since the problem is that QEMU is hanging during execution, which could be due to incorrect syscall handling, but the category 'syscall' is for errors with syscalls. Alternatively, if the problem is more general runtime behavior, like threading or process management, it might be runtime. + +But the fact that the same binary works on real hardware suggests that the issue is in QEMU's emulation, possibly a syscall that's not properly implemented or handled in QEMU when the newer libc uses it. Therefore, it's likely a syscall issue. However, if the problem is in the QEMU runtime environment setup (like not properly handling the test runner's execution flow), then it's runtime. Since the user can't interrupt with GDB, maybe the process is stuck in a syscall that QEMU isn't handling, leading to a hang. So, the category is probably syscall. +</think> + +syscall \ No newline at end of file |