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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 07:27:52 +0000 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 07:27:52 +0000 |
| commit | d0c85e36e4de67af628d54e9ab577cc3fad7796a (patch) | |
| tree | f8f784b0f04343b90516a338d6df81df3a85dfa2 /results/classifier/deepseek-2/reasoning/hypervisor/2385 | |
| parent | 7f4364274750eb8cb39a3e7493132fca1c01232e (diff) | |
| download | qemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz qemu-analysis-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip | |
add deepseek and gemma results
Diffstat (limited to 'results/classifier/deepseek-2/reasoning/hypervisor/2385')
| -rw-r--r-- | results/classifier/deepseek-2/reasoning/hypervisor/2385 | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/results/classifier/deepseek-2/reasoning/hypervisor/2385 b/results/classifier/deepseek-2/reasoning/hypervisor/2385 new file mode 100644 index 000000000..832af7adf --- /dev/null +++ b/results/classifier/deepseek-2/reasoning/hypervisor/2385 @@ -0,0 +1,28 @@ +<think> +Okay, so I'm trying to figure out how to classify this bug report for QEMU. Let me read through it carefully. + +The user is having an issue where running their test program in GDB under QEMU causes a SIGILL (illegal instruction) trap when single-stepping over the `std` instruction. However, normal execution without debugging works fine. The problem was previously fixed with bug #2281 for `lda` instructions, and this new issue might be similar. + +First, I need to understand what each category means: + +- **mistranslation**: Incorrect mapping from source architecture to IR/target in user-mode. +- **assembly**: Issues during assembly lowering. +- **other**: Any other category not listed. +- **device**, **graphic**, **socket**, **network**, **KVM**, **boot**, **vnc**, **debug**, **files**, **permissions**, **performance**, **kernel**, **peripherals**, **hypervisor**. + +The bug occurs during single-stepping in GDB, which suggests it's related to how instructions are handled when debugging. Since the user mentioned that stepping over `std` causes SIGILL but normal execution doesn't, it points towards an issue with instruction translation or handling during debugging. + +In their previous fix (#2281), they dealt with a similar problem involving `lda` in GDB. That suggests this is related to how certain instructions are handled when debugging, possibly within the hypervisor or the way QEMU emulates instructions for the debugger. + +I'm thinking that the issue might be in the translation of SPARC instructions into the target architecture (like x86 if running under QEMU), especially during single-stepping. Since GDB is involved, it's likely interacting with how QEMU handles debugging features. + +The `std` instruction is a store double-word, which deals with memory operations. The fact that this causes an illegal instruction suggests that the translation or emulation isn't handling it correctly when stepped through in the debugger. + +Looking at the categories, "hypervisor" makes sense because QEMU acts as a hypervisor for virtual machines. If there's an issue with how instructions are translated or handled during debugging (which is part of the hypervisor's responsibilities), that would fall under this category. + +Alternatively, it could be related to the kernel or device emulation, but since the main problem occurs during GDB interaction and instruction stepping, "hypervisor" seems more appropriate. +</think> + +The issue arises due to incorrect handling of the `std` instruction during single-stepping in GDB within QEMU. This suggests a problem with how instructions are translated or emulated under debugging conditions, likely within the hypervisor's responsibilities. + +**Answer:** hypervisor \ No newline at end of file |