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Diffstat (limited to 'results/classifier/deepseek-1/reasoning/device/1702621')
| -rw-r--r-- | results/classifier/deepseek-1/reasoning/device/1702621 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/results/classifier/deepseek-1/reasoning/device/1702621 b/results/classifier/deepseek-1/reasoning/device/1702621 new file mode 100644 index 000000000..8c763b341 --- /dev/null +++ b/results/classifier/deepseek-1/reasoning/device/1702621 @@ -0,0 +1,23 @@ +<think> +Alright, so I'm looking at this bug report for QEMU. The user is having an issue with their secondary VM crashing during a loadvm operation when using the COLO feature. From what I understand, COLO stands for Continuous Live Migration, which allows VMs to be migrated without downtime. + +The stack trace provided shows that the crash happens in the pcibus_reset function at line 311 of pci.c. The error is an assertion failure where bus->irq_count[i] is -1 instead of being zero. This indicates that during reset, the interrupt count for a particular IRQ isn't as expected. + +Looking deeper into the issue, the user mentions that 'irq_count' and 'irq_state' are sent from the primary VM to the secondary one. They suspect that these might not be in a consistent state upon transmission, leading to the secondary VM receiving incorrect data, such as a negative count for irq_count[i]. When they disabled the assertion checks, the problem went away, implying that the issue is related to an invariant assumption being violated. + +The user also notes that they've tried different network interface cards (NICs) in the past. They had issues with e1000 and switched to virtio-net, but this required disabling vhost. There's a mention of patches for this, so maybe there were some fixes related to VirtIO network devices. + +Now, considering the categories provided: mistranslation, assembly lowering, device, graphic, socket, network, KVM, boot, vnc, debug, files, permissions, performance, kernel, peripherals, hypervisor, and others. + +The crash is happening during the reset process of a PCI bus, specifically related to IRQ handling in pcibus_reset. This seems to be a hardware emulation issue within QEMU's device support. The problem arises from inconsistent state data being sent between VMs, affecting the secondary VM's device initialization or reset. + +Therefore, the category that best fits this bug is 'device' because it pertains to how devices (like NICs) are handled during migration and reset processes in QEMU. +</think> + +The bug report involves a crash during COLO feature usage due to an assertion failure in the pci.c file, specifically at line 311. The issue arises when `bus->irq_count[i]` is `-1`, which suggests a problem with interrupt handling between primary and secondary VMs. This points towards device-related issues, particularly with how certain NICs are handled during migration. + +**Answer:** + +The appropriate classification for this bug report is: + +**device** \ No newline at end of file |