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authorChristian Krinitsin <mail@krinitsin.com>2025-07-05 07:53:40 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-07-05 07:53:40 +0000
commit40bbb77d4dfebff4f99c2f90b2c0db737b0ecc5a (patch)
treeb48e8ed73df5afe4df4f14b919a092200cb32a80 /results/classifier/mode-deepseek-r1:32b/reasoning/user/2333
parent55df9e6905dc57854bea8e34d1e71ea383eb0352 (diff)
downloademulator-bug-study-40bbb77d4dfebff4f99c2f90b2c0db737b0ecc5a.tar.gz
emulator-bug-study-40bbb77d4dfebff4f99c2f90b2c0db737b0ecc5a.zip
add deepseek classification results: classifies into user and system mode
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+<think>
+Alright, I'm trying to classify this bug report as either user-mode or system-mode related. The problem involves a segmentation fault when using QEMU in armeb mode (which is big-endian). The issue seems to be with the VDSO method for __clock_gettime64().
+
+The user provided details about rebuilding glibc with VDSO disabled, which fixed the problem. They also included a stack trace showing that the crash occurs in clock_gettime.c at line 42, where it's making an internal vsyscall to vdso_time64.
+
+From my understanding, VDSO (Virtual Dynamic Shared Object) is part of user-mode because it's a shared object used by user-space applications. QEMU's system emulation would handle the kernel and hardware parts, but since this issue is about a specific library call crashing in user space, it might be related to how QEMU emulates certain syscalls or handles memory for big-endian systems.
+
+The fact that the problem doesn't occur on qemu-arm (little endian) suggests it's an emulation issue specific to armeb. Maybe there's a bug in how QEMU handles the VDSO for big-endian targets, leading to incorrect addressing or alignment when accessing memory during the vdso_time64 call.
+
+Since the crash is happening within user-space code (glibc), and not at the kernel level, this seems more like a problem with the user-mode emulation provided by QEMU. Therefore, it's likely a user-mode related issue.
+</think>
+
+user \ No newline at end of file