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Diffstat (limited to 'results/classifier/deepseek-2/reasoning/hypervisor/650')
| -rw-r--r-- | results/classifier/deepseek-2/reasoning/hypervisor/650 | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/results/classifier/deepseek-2/reasoning/hypervisor/650 b/results/classifier/deepseek-2/reasoning/hypervisor/650 deleted file mode 100644 index dd01ff58f..000000000 --- a/results/classifier/deepseek-2/reasoning/hypervisor/650 +++ /dev/null @@ -1,15 +0,0 @@ -<think> -Alright, let me try to figure out how to classify this bug report. The user is reporting an issue with QEMU where using the `device_add` command causes a deadlock. They mentioned that it hangs and only stopping via `kill -9` works. - -Looking at the details, they traced the problem to functions related to RCU (Read-Copy-Update). Specifically, `drain_call_rcu` is waiting indefinitely for `drain_complete_event`. Also, `cpu_exec` in `accel/tcg/cpu-exec.c` calls `rcu_read_lock` but doesn't unlock it properly. This could mean that the lock isn't being released, leading to a deadlock because other parts of the code are waiting on it. - -Another point is that when they use the `stop` command before `device_add`, there's no hang. That suggests that `cpu_exec` might be in a state where it's not releasing locks properly during certain operations. - -Now, considering the possible categories: The issue seems related to how RCU is being handled, which ties into concurrency and synchronization within QEMU. Since this involves kernel-level functions like `rcu_read_lock`, it's likely part of the hypervisor's operation. Hypervisors handle tasks like device management, CPU execution, and other low-level operations where proper locking and unlocking are critical. - -So, putting it all together, the category that best fits is "hypervisor" because the bug occurs in functions that manage resources at a low level, likely within QEMU's hypervisor component. -</think> - -The issue involves deadlocks due to improper RCU handling during device addition, which relates to low-level resource management in QEMU's hypervisor. - -hypervisor \ No newline at end of file |