1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
|
<think>
Alright, I need to classify this bug report into one of the given categories for QEMU. The issue is that a guest KVM machine freezes when an NFS mount goes offline, specifically involving CDROM units mounted from NFS.
First, let me read through the problem again. The user has two CDROMs mounted via NFS. When the NFS server goes down, instead of getting read errors, the VM freezes entirely. So, it's a behavior related to how QEMU handles NFS issues when accessing CDROMs.
Looking at the categories provided: hypervisor is one of them. Since KVM is involved as the hypervisor, and the issue relates to how the guest machine behaves when a resource (NFS mount) becomes unavailable, it seems directly tied to the hypervisor's handling.
Other options like 'network' could be considered because NFS uses network mounts, but the problem isn't just about networking; it's more about how QEMU/KVM manages resources when those network services fail. The freezing suggests a blocking issue in the hypervisor or its components.
Performance might come to mind, but that usually refers to speed issues rather than system halts. Similarly, 'device' could apply, but again, the scope here is broader, involving the hypervisor's response.
So, considering all factors, the most fitting category is 'hypervisor', as it pertains to how KVM (the hypervisor) manages guest resources and handles NFS outages.
</think>
hypervisor
|