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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/KVM/2710 | |
| parent | 7f4364274750eb8cb39a3e7493132fca1c01232e (diff) | |
| download | emulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz emulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip | |
add deepseek and gemma results
Diffstat (limited to 'results/classifier/deepseek-2/reasoning/KVM/2710')
| -rw-r--r-- | results/classifier/deepseek-2/reasoning/KVM/2710 | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/results/classifier/deepseek-2/reasoning/KVM/2710 b/results/classifier/deepseek-2/reasoning/KVM/2710 new file mode 100644 index 00000000..28a341be --- /dev/null +++ b/results/classifier/deepseek-2/reasoning/KVM/2710 @@ -0,0 +1,23 @@ +<think> +Okay, so I'm trying to figure out which category this bug report falls into for QEMU. The user provided a detailed description of the problem and some code snippets. Let me break it down step by step. + +The issue is that QEMU can't detect guest debug support on older x86 host kernels (pre v5.7) because KVM_CAP_SET_GUEST_DEBUG is missing. When they run qemu-system-x86_64 with the -s option for gdbstub, they get an error saying the accelerator doesn't support guest debugging. + +Looking at the code in qemu/accel/kvm/kvm-all.c:2695, there's a check using kvm_check_extension(s, KVM_CAP_SET_GUEST_DEBUG). If it returns <=0, debug_flag is set to false. That means without this capability detected, QEMU doesn't enable debugging support. + +They also looked into the Linux 4.15 kernel code and found that KVM_CAP_SET_GUEST_DEBUG wasn't properly supported on x86_64 in earlier versions. The user tried bypassing this check in QEMU and confirmed it worked on the 4.15 kernel, so they think modifying QEMU to handle this case is necessary. + +Now, considering the categories provided: mistranslation, assembly lowering, other, device, graphic, socket, network, KVM, boot, vnc, debug, files, permissions, performance, kernel, peripherals, hypervisor. + +The problem revolves around KVM's capability detection for guest debugging. Since it's related to how QEMU interacts with the KVM hypervisor's capabilities, especially in terms of enabling debug features, the primary category here is "KVM". The issue isn't about translation errors (mistranslation), nor does it involve assembly lowering or other broad categories like network or peripherals. + +Additionally, the user referenced a specific email discussing modifications to QEMU related to KVM capabilities, which further points towards "KVM" as the correct category. + +So, putting it all together, this bug is directly tied to KVM's handling of guest debugging support. +</think> + +The bug report deals with QEMU not detecting guest debug support because an older x86 kernel doesn't have KVM_CAP_SET_GUEST_DEBUG enabled. This relates to how QEMU interacts with the KVM hypervisor's capabilities for debugging, making it fall under the "KVM" category. + +**Answer:** + +KVM \ No newline at end of file |