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+<think>
+Okay, so I'm trying to figure out whether this QEMU bug is a user-mode or system-mode issue. Let's break down the information given.
+
+First, the problem occurs when booting an arm64 Linux in TCG mode. The error message points to `temp_load` in `tcg.c`, which suggests something went wrong during code generation for the TCG (Translation-Caching VM) subsystem. 
+
+The user provided a bisect log showing that the first bad commit is related to using `tcg_gen_qemu_{ld,st}_i128` in SVE load/store functions. This makes me think it's related to how QEMU handles certain instructions, particularly those dealing with vectors or SIMD operations.
+
+Looking at the error timing: the crash happens after the kernel mounts the root filesystem and runs `/sbin/init`. That's when user-space processes start executing. The initial boot steps up to that point are handled by the kernel in system mode. Once it hands off to init, we're moving into user-mode execution for most of the processes.
+
+The error message is coming from the TCG code, which handles dynamic translation of guest instructions into host code. If this happens when executing userspace programs, it's likely related to how QEMU translates user-space instructions, particularly those involving SVE (Scalable Vector Extension) operations since that's what the bisect points to.
+
+So, considering that the crash occurs during the execution of userspace and involves TCG translation for specific vector instructions, this seems like a problem in how QEMU handles user-mode code generation. Therefore, it's likely a user-mode related issue.
+</think>
+
+user
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