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-<think>
-Okay, so I'm trying to figure out what's going on here with my QEMU setup and why the Go compiler is aborting. Let me see... The user provided a log where they ran `qemu-arm` to execute a Go command, but it failed with some errors about unhandled CPU exceptions. They mentioned something about using an older version of QEMU causing issues because when Go forks or execs other binaries, the system might be using the wrong QEMU.
-
-Hmm, I remember that on Linux, there's this binfmt-misc feature which allows execution of foreign binary formats. So if you have `qemu-arm` installed, your system can run ARM binaries without them being natively present. But it looks like in their case, even though they built a new QEMU version, the old one is still being used because of how binfmt-misc works.
-
-The user suggested that for Ubuntu, putting the new QEMU binary into `/usr/bin/qemu-arm-static` would help. They also mentioned checking if the kernel has the 'F' flag set in `binfmt_misc`, which means it's using a fixed interpreter path and might not pick up the new QEMU even after copying it there.
-
-So, maybe I should first check what binfmt-misc is currently configured to use for ARM binaries. I can do that by reading `/proc/sys/fs/binfmt_misc/qemu-arm`. If the flags include 'F', then the kernel is using a fixed path and won't update when we replace `qemu-arm` in `/usr/bin/`.
-
-If it's not set to 'F' or if I need to reset it, perhaps I can unload and reload the binfmt handler. Unloading would stop the system from using any QEMU for ARM binaries until I reload with the new path. Alternatively, there might be a way to tell the kernel to re-read the configuration without rebooting.
-
-I should also consider that if `qemu-arm` is in `/usr/bin/`, but binfmt-misc expects it elsewhere, like `/usr/bin/qemu-arm-static`, I need to make sure the new QEMU binary is placed correctly. Maybe there's a way to override the interpreter path by setting an environment variable or modifying the shebang line temporarily.
-
-Another thought: maybe using `LD_LIBRARY_PATH` or some other environment variables could influence which libraries are used, but in this case, it's more about the interpreter than the libraries.
-
-Wait, I also read that if binfmt-misc has the 'F' flag set, the kernel opens the interpreter very early and caches it. So even if I replace `qemu-arm` later, the old one is already loaded. How do I work around that? Maybe by rebooting or somehow invalidating the cached interpreter.
-
-But rebooting might not be ideal, especially in a testing environment. Perhaps there's a way to kill any processes holding onto the old QEMU binary or to adjust the binfmt configuration temporarily.
-
-So, putting it all together, my plan would be:
-
-1. Check the current binfmt-misc configuration for qemu-arm.
-2. If 'F' flag is set, I might need to modify that or reset the handler.
-3. Replace the old `qemu-arm` with the new version in the correct directory (like `/usr/bin/qemu-arm-static` if needed).
-4. Ensure that any cached interpreter paths are cleared so the system uses the new QEMU.
-
-I should also test these steps incrementally, maybe first checking the binfmt settings and seeing if changing them helps without having to reboot. Maybe after making changes, I can run a simple command like `qemu-arm --version` to see if it's using the new version.
-</think>
-
-To resolve the issue with QEMU not using the updated binary when compiling Go code, follow these steps:
-
-1. **Check Binfmt-Misc Configuration:**
-   - View the current configuration for `qemu-arm` by reading `/proc/sys/fs/binfmt_misc/qemu-arm`.
-     ```bash
-     cat /proc/sys/fs/binfmt_misc/qemu-arm
-     ```
-   - Look for the `flags:` line to see if it includes 'F', indicating a fixed interpreter path.
-
-2. **Replace QEMU Binary:**
-   - Ensure the new QEMU binary is placed in the correct location, typically `/usr/bin/qemu-arm-static`.
-
-3. **Modify Binfmt-Misc Settings (if needed):**
-   - If the `flags:` line includes 'F', you might need to reset the handler. This can be done by unloading and reloading the binfmt handler:
-     ```bash
-     sudo echo ":qemu-arm:M::/usr/bin/qemu-arm-static:" > /proc/sys/fs/binfmt_misc/qemu-arm
-     ```
-   - Alternatively, adjust the path if necessary.
-
-4. **Test the New QEMU Version:**
-   - Run a test command to verify that the new QEMU version is used:
-     ```bash
-     qemu-arm --version
-     ```
-
-By following these steps, you should ensure that your system uses the updated QEMU binary when executing ARM binaries via Go compilation or other processes.
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