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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/peripherals/1878645 | |
| 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/peripherals/1878645')
| -rw-r--r-- | results/classifier/deepseek-2/reasoning/peripherals/1878645 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/results/classifier/deepseek-2/reasoning/peripherals/1878645 b/results/classifier/deepseek-2/reasoning/peripherals/1878645 new file mode 100644 index 00000000..037a238f --- /dev/null +++ b/results/classifier/deepseek-2/reasoning/peripherals/1878645 @@ -0,0 +1,17 @@ +<think> +Okay, so I have this bug report from QEMU where a null pointer dereference occurs in the function ich9_apm_ctrl_changed. The user provided a detailed backtrace showing that the issue stems from the tcg_handle_interrupt function, specifically when accessing a "cpu" pointer which might be causing the problem. They also mentioned that this seems specific to QTest. + +First, I need to understand what each part of the bug report means. The error is a null pointer dereference, which usually happens when a program tries to access memory using a null pointer, leading to a crash. In this case, it's happening in tcg_handle_interrupt, but according to the backtrace, the root cause is in ich9_apm_ctrl_changed. + +Looking at the function names, ich9_apm_ctrl_changed suggests it's related to the APM (Advanced Power Management) control in theICH9 chipset simulation. The APM is part of the hardware emulation for devices like USB controllers or other peripherals. + +The backtrace shows that this function calls cpu_interrupt, which then leads into tcg_handle_interrupt. Since QEMU uses TCG (Translation and Compilation) to accelerate guest code execution, any issues in the TCG handling can lead to such crashes. + +Now, considering the possible categories: device, graphic, socket, network, KVM, boot, vnc, debug, files, permissions, performance, kernel, peripherals. The function names point towards hardware emulation, specifically APM and ICH9, which fall under peripherals. + +So, this bug is likely related to how QEMU handles a specific peripheral device (ICH9's APM), causing an incorrect pointer dereference when processing an interrupt. +</think> + +The bug occurs in the ich9_apm_ctrl_changed function, which deals with hardware emulation, specifically a peripheral device. + +Answer: peripherals
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