blob: b5f0078840ba72ff12abd5b34e10eb1026fdc0df (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
|
<think>
Okay, so I need to classify this bug report for QEMU into one of the given categories. Let me read through the problem carefully.
The user mentioned that when they repeatedly run "system_reset" during the guest boot, QEMU core dumps. The error message points to a failure in vring_get_region_caches where 'caches' is NULL. This happens in virtio.c at line 225.
I remember that VirtIO devices handle I/O through rings and regions, so this seems related to how VirtIO components are being managed. The 'system_reset' command probably triggers a reset of the virtual devices, which might not be handling some state correctly.
Looking at the categories provided: mistranslation relates to incorrect mappings in user-mode assembly. This doesn't seem to fit because it's more about device management. Assembly lowering is also not relevant here. Other possibilities include 'device' or 'hypervisor'.
Since VirtIO devices are part of the hypervisor layer, handling I/O between the guest and host, the error might be due to how the hypervisor resets these devices. Alternatively, it could be a bug in device-specific code.
The issue arises during guest boot when resetting, which affects the state of VirtIO components. The core dump points directly to a problem within the VirtIO handling code, so I think 'hypervisor' is the most fitting category because it's related to how QEMU (as a hypervisor) manages virtual devices and their states.
</think>
hypervisor
|