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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
| commit | dee4dcba78baf712cab403d47d9db319ab7f95d6 (patch) | |
| tree | 418478faf06786701a56268672f73d6b0b4eb239 /results/classifier/deepseek-r1:14b/reasoning/kernel/2560 | |
| parent | 4d9e26c0333abd39bdbd039dcdb30ed429c475ba (diff) | |
| download | qemu-analysis-dee4dcba78baf712cab403d47d9db319ab7f95d6.tar.gz qemu-analysis-dee4dcba78baf712cab403d47d9db319ab7f95d6.zip | |
restructure results
Diffstat (limited to 'results/classifier/deepseek-r1:14b/reasoning/kernel/2560')
| -rw-r--r-- | results/classifier/deepseek-r1:14b/reasoning/kernel/2560 | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:14b/reasoning/kernel/2560 b/results/classifier/deepseek-r1:14b/reasoning/kernel/2560 new file mode 100644 index 000000000..d885c09d4 --- /dev/null +++ b/results/classifier/deepseek-r1:14b/reasoning/kernel/2560 @@ -0,0 +1,25 @@ +<think> +Okay, I need to classify this bug report into one of the given categories. The problem is that Go's garbage collector crashes when using qemu-x86_64 on an aarch64 host. Let me go through each possible category to see which fits best. + +Looking at the options: mistranslation, assembly lowering, device, graphic, socket, network, KVM, boot, vnc, debug, files, permissions, performance, kernel, peripherals, hypervisor, and other. + +The issue is happening when running a x86_64 binary on an aarch64 system using QEMU. The problem seems to be with the Go garbage collector crashing, which is a runtime issue related to how memory or processes are handled in the emulated environment. + +From the bug report, the crash occurs during garbage collection, specifically in lfstack.push. This suggests it's related to memory management. Since QEMU is involved, especially when using binfmt_misc to interpret x86_64 binaries on an aarch64 host, this likely pertains to how QEMU handles certain system calls or memory mappings. + +The user mentioned that bisecting points to commits in QEMU's linux-user code, specifically changes related to do_munmap and mmap placement. These are kernel-related functions within QEMU's user-mode emulation layer. So the issue is with how QEMU emulates these system calls on aarch64 when running x86_64 binaries. + +Considering that, it's not about translation or assembly lowering directly but more about how QEMU handles certain OS-level operations. It also doesn't seem to be a device, graphic, network, etc., issue. The kernel and hypervisor categories are closer because they relate to system-level emulation. + +But wait, the problem is within the user-mode part of QEMU, which emulates system calls for the guest OS. This would fall under the 'kernel' category since it's about how the user-space part (linux-user) handles certain operations that mimic the host kernel functions. + +Alternatively, since it's related to memory management and process emulation, perhaps 'other' could be a possibility if it doesn't fit into more specific categories. But given that it's tied to changes in QEMU's linux-user code, which is part of the hypervisor layer providing system calls to the guest, I think 'hypervisor' might be more accurate. + +Wait, but looking back, the issue arises when Go runs under QEMU and crashes due to GC issues. The problem isn't with the hypervisor itself but with how user-mode processes are handled in emulation. Therefore, it's more about the kernel part of QEMU that emulates the Linux system calls for the guest. + +So, 'kernel' seems appropriate as it relates to the system call handling within the user-mode emulation, which is part of the QEMU's kernel simulation for the guest OS. +</think> + +The issue is related to how QEMU's user-mode emulation handles certain memory management functions when running a x86_64 binary on an aarch64 host. The problem arises from changes in the linux-user code that affect mmap and munmap operations, leading to a crash in Go's garbage collector. + +**Classification:** kernel \ No newline at end of file |