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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-05 07:53:40 +0000 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-05 07:53:40 +0000 |
| commit | 40bbb77d4dfebff4f99c2f90b2c0db737b0ecc5a (patch) | |
| tree | b48e8ed73df5afe4df4f14b919a092200cb32a80 /results/classifier/mode-deepseek-r1:32b/reasoning/system/1827871 | |
| parent | 55df9e6905dc57854bea8e34d1e71ea383eb0352 (diff) | |
| download | qemu-analysis-40bbb77d4dfebff4f99c2f90b2c0db737b0ecc5a.tar.gz qemu-analysis-40bbb77d4dfebff4f99c2f90b2c0db737b0ecc5a.zip | |
add deepseek classification results: classifies into user and system mode
Diffstat (limited to 'results/classifier/mode-deepseek-r1:32b/reasoning/system/1827871')
| -rw-r--r-- | results/classifier/mode-deepseek-r1:32b/reasoning/system/1827871 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/results/classifier/mode-deepseek-r1:32b/reasoning/system/1827871 b/results/classifier/mode-deepseek-r1:32b/reasoning/system/1827871 new file mode 100644 index 000000000..8d40adb81 --- /dev/null +++ b/results/classifier/mode-deepseek-r1:32b/reasoning/system/1827871 @@ -0,0 +1,17 @@ +<think> +Okay, so I'm trying to classify this bug report as either 'user-mode' related or 'system-mode' related. Let me break down the information given. + +The issue occurs when using QEMU with the TCG backend, specifically during a reboot triggered by SeaBIOS in version 1.12. The problem arises from how the system handles the reset request. When the code executes certain outb instructions and an int3, it seems to cause a race condition where the guest CPU doesn't reset properly. + +The user mentioned that with TCG, upon executing the second outb, the thread requests a system reset but continues executing translated instructions. This leads to EIP being overwritten, resulting in unexpected real-mode execution and a #UD exception. The end result is the guest OS locks up with high CPU usage. + +Now, thinking about user-mode vs. system-mode bugs: User-mode issues usually relate to applications running on top of an operating system without requiring kernel privileges. System-mode issues involve lower-level components like hardware drivers, device management, or the hypervisor itself. + +In this case, the bug is occurring within QEMU, which is a virtualization tool that runs at a low level, handling CPU state and resets. The issue involves how the TCG backend manages thread execution after a reset request. This seems to be related to the system's handling of hardware-level operations like reboots and exceptions. + +Therefore, this bug report falls under 'system-mode' because it deals with the interaction between QEMU's virtualization layer and the guest OS's CPU state during reboot, which are low-level operations. +</think> + +The issue is related to how QEMU handles system resets at a low level, involving CPU state management and hypervisor functions. + +**Answer:** system \ No newline at end of file |