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Diffstat (limited to 'results/classifier/deepseek-r1:14b/reasoning/manual-review/2071')
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diff --git a/results/classifier/deepseek-r1:14b/reasoning/manual-review/2071 b/results/classifier/deepseek-r1:14b/reasoning/manual-review/2071 new file mode 100644 index 00000000..559e86ed --- /dev/null +++ b/results/classifier/deepseek-r1:14b/reasoning/manual-review/2071 @@ -0,0 +1,92 @@ +<think> +Okay, so the user provided some audit logs and mentioned they're trying to figure out why their KVM VM isn't starting properly. They had filed a bug earlier in libvirt but now suspect it might be a QEMU issue. + +First, I'll look at the logs. The VIRT_RESOURCE messages show that various resources are being set up correctly—like network, USB, RNG, TPM emulator, memory, and vCPUs. All these seem to transition successfully from "?" or 0 to valid values. But then there's a VIRT_CONTROL message where the operation 'op=start' results in 'res=failed'. That suggests that even though all resources are set up okay, the VM booting itself is failing. + +I remember that libvirt uses QEMU as the hypervisor, so if libvirt reports failure, it's often due to QEMU not responding correctly. Maybe QEMU isn't starting or crashing when trying to launch the VM. + +The user mentioned they thought it might be a QEMU issue after their earlier bug report with libvirt didn't pan out. So I'll consider common QEMU issues: maybe there's an error in the qemu.conf file, hardware acceleration not properly set up (like missing CPU flags for KVM), or problems with the VM's configuration file. + +I should guide them to check QEMU's output logs, which are usually in /var/log/libvirt/qemu/... I'll suggest looking for any errors there. Also, verifying that their VM's XML config is correct and doesn't have issues like incorrect device definitions or missing disks. + +Another thought: maybe the host has issues with virtualization support. They should check if KVM is enabled in their BIOS and if their CPU supports it. Using 'virsh capabilities' can show if the hypervisor is detected properly. + +They might also benefit from starting QEMU directly without libvirt to see if the issue persists, which would indicate a QEMU problem or configuration error. If it works then, it's likely a libvirt misconfiguration. + +So, putting it all together, I'll outline steps to check logs, configurations, and hardware support to pinpoint where the failure is occurring. +</think> + +The audit logs provided show that there was an attempt to start a KVM virtual machine named "fedora-waydroid" with UUID `abcdefgh-ijkl-mnop-qrst-uvwx12345678`. The logs indicate several successful resource allocations (network, USB, RNG, TPM emulator, memory, and vCPUs) but the final operation (`op=start`) resulted in a failure. + +Here’s an analysis of the key points: + +1. **Resource Allocation Success**: + - Network interface: `new-net="52:54:00:72:c3:92"` + - USB device: `device=555342207265646972646576` + - RNG source: `/dev/urandom` + - TPM emulator: Successfully initialized + - Memory allocation: `new-mem=4194304` + - vCPUs: `old-vcpu=0` → `new-vcpu=4` + +2. **Final Failure**: + - The last log entry shows that the VM failed to start (`res=failed`) during the boot process. + - The error is reported under `VIRT_CONTROL`. + +### Possible Causes of Failure +Given that all resource allocations were successful but the VM failed to start, here are some potential causes: + +1. **QEMU Process Crash**: + - QEMU might have crashed or failed to initialize properly. This could be due to a misconfiguration in the QEMU command line arguments or issues with the guest OS. + +2. **Kernel Module Issues**: + - The KVM module (`/dev/kvm`) might not be loaded correctly, or there might be permission issues. + +3. **Guest OS Boot Failure**: + - The guest operating system (Fedora Waydroid) might have failed to boot due to hardware configuration issues, such as incorrect disk partitions, missing drivers, or incompatible virtualization features. + +4. **Hypervisor Logs**: + - Check QEMU/KVM logs for more detailed error messages. These logs are typically located in `/var/log/libvirt/qemu/`. + +5. **libvirt Configuration**: + - Even though the user suspects a QEMU issue, it’s worth verifying that the libvirt configuration is correct and that there are no misconfigurations in the virtual machine definition file (`*.xml`). + +### Next Steps +1. **Check QEMU/KVM Logs**: + - Look for error messages in `/var/log/libvirt/qemu/`. For example: + ```bash + journalctl -u libvirtd | grep fedora-waydroid + ``` + or + ```bash + virsh log --domain fedora-waydroid + ``` + +2. **Inspect Virtual Machine Configuration**: + - Verify the virtual machine’s XML configuration file (usually located in `/etc/libvirt/qemu/`): + ```bash + virsh edit fedora-waydroid + ``` + - Ensure that all hardware components (disks, network interfaces, USB devices, etc.) are correctly defined. + +3. **Check Host System Resources**: + - Ensure that the host system has enough resources (CPU, memory, disk space) to run the virtual machine. + - Verify that virtualization is enabled in the CPU and BIOS. + +4. **Test QEMU Directly**: + - Try starting the VM directly with QEMU without using libvirt to isolate the issue: + ```bash + qemu-system-x86_64 \ + -name fedora-waydroid \ + -m 4096 \ + -cpu host \ + -smp 4 \ + -nographic \ + -drive file=/path/to/fedora.img,format=raw \ + ... + ``` + - Replace the arguments with the actual configuration of your VM. + +5. **Check for Known Issues**: + - Look up any known issues with QEMU or libvirt related to Waydroid or similar guest operating systems. + +If you provide more detailed logs or error messages, I can help narrow down the issue further. \ No newline at end of file |