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Diffstat (limited to 'results/classifier/mode-deepseek-r1:32b/reasoning/system/2984')
| -rw-r--r-- | results/classifier/mode-deepseek-r1:32b/reasoning/system/2984 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/results/classifier/mode-deepseek-r1:32b/reasoning/system/2984 b/results/classifier/mode-deepseek-r1:32b/reasoning/system/2984 new file mode 100644 index 000000000..365bf7a6a --- /dev/null +++ b/results/classifier/mode-deepseek-r1:32b/reasoning/system/2984 @@ -0,0 +1,20 @@ +<think> +Okay, so I need to figure out whether this bug report is user-mode related or system-mode related. The issue described involves a guest crashing when hotplugging more CPUs than the host has, specifically when using virt-type as qemu. + +First, let's break down what's happening here. Hotplugging CPUs means adding CPU resources to a running virtual machine (VM). In this case, it's done while the VM is already running. The problem occurs when trying to add a large number of CPUs, 249 in this example. + +Looking at the backtrace provided, the crash happens in the TCG (Translation-Cache-Based Execution) mode. The error message points to an assertion failure in the function tcg_region_initial_alloc__locked, which is part of the TCG code. This function calls g_assertion_message when it fails, leading to an abort. + +The functions involved are related to region allocation in TCG. Specifically, tcg_region_alloc__locked returns true if max region allocation is reached. The assertion fails because the system can't allocate more regions beyond a certain point, causing the VM to crash and shut down. + +Now, considering whether this is user-mode or system-mode: + +- User-mode issues typically relate to applications running on top of the OS, or higher-level services that don't interact deeply with hardware. +- System-mode issues are related to lower-level components like device drivers, hardware interactions, or critical OS functions. + +In this case, the issue is within QEMU's TCG code, which handles CPU emulation and resource management for virtual machines. This involves low-level operations such as thread creation and memory allocation, which are part of the system's core infrastructure when running a VM. The crash occurs due to limitations in how TCG manages resources under heavy load, specifically with a high number of vCPUs. + +Therefore, this bug is related to the system-mode because it affects the underlying virtualization platform (QEMU) and its ability to handle resource management for guest operating systems. +</think> + +system \ No newline at end of file |