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Diffstat (limited to 'results/classifier/deepseek-r1:14b/reasoning/hypervisor/2984')
| -rw-r--r-- | results/classifier/deepseek-r1:14b/reasoning/hypervisor/2984 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:14b/reasoning/hypervisor/2984 b/results/classifier/deepseek-r1:14b/reasoning/hypervisor/2984 new file mode 100644 index 00000000..cba95864 --- /dev/null +++ b/results/classifier/deepseek-r1:14b/reasoning/hypervisor/2984 @@ -0,0 +1,21 @@ +<think> +Okay, let's try to figure out the category for this bug report. The user provided a description where hotplugging too many CPUs causes the guest to crash when using virt-type as qemu. They also included a backtrace from gdb and some code snippets. + +First, I'll look at the problem: CPU hotplug crashing the guest after adding more CPUs than available on the host. This specifically happens with virt-type set to qemu. So, it's related to how QEMU handles CPU hotplugging in this configuration. + +The backtrace points to a function called tcg_region_initial_alloc__locked, which calls tcg_region_alloc__locked. The latter returns true when max region allocation is reached, leading to an assertion failure and aborting the process. This suggests that there's an issue with memory management or resource allocation during the hotplug operation. + +Looking at the code, it seems related to TCG (Translation Coupled Guest), which is part of QEMU's acceleration and translation infrastructure. The functions are dealing with region allocations for TCG contexts. So, when too many CPUs are added, the system runs out of regions to allocate, causing an assertion failure. + +Now, considering the categories: mistranslation, assembly lowering, device, graphic, socket, network, KVM, boot, vnc, debug, files, permissions, performance, kernel, peripherals, hypervisor. + +The issue is about CPU hotplugging leading to a crash due to resource limits in TCG. Since it's related to the translation and resource allocation within QEMU's own code (not user-mode or external devices), it doesn't fit into categories like device, graphic, or network. It also isn't directly about booting, VNC, debug, etc. + +Mistranslation is more about incorrect mapping from source to target, which doesn't seem to be the case here. The problem is with handling multiple CPUs and resource limits during hotplug, which points towards an internal QEMU mechanism failure. TCG's region allocation is part of the hypervisor's acceleration features. + +Therefore, the category should be 'hypervisor' because it's related to how QEMU (acting as a hypervisor) manages resources like CPU allocations for virtual machines. +</think> + +The bug involves an assertion failure during TCG region allocation when hotplugging many CPUs, pointing to resource management issues in QEMU's hypervisor code. + +**hypervisor** \ No newline at end of file |