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+instruction: 0.588
+runtime: 0.249
+syscall: 0.163
+
+
+
+qemu-aarch64 hangs running cargo test after libc6 upgrade to 2.36-9+deb12u6
+Description of problem:
+qemu-aarch64 seems to hang with 100% cpu usage without any indication.
+with -p 12345 for gdb debugging, gdb could not interrupt the remote with ctrl-c.
+Steps to reproduce:
+1. Ensure the test env has 2.36-9+deb12u6
+2. Install the latest rust toolchain.
+3. mkdir test_test && cargo init
+4. ensure src/main.rs has
+```
+fn main() {
+    println!("Hello, world!");
+}
+
+#[test]
+fn test() {
+    println!("hAAA!");
+}
+```
+5. create .cargo/config.toml 
+```
+[target.aarch64-unknown-linux-gnu]
+linker = "aarch64-linux-gnu-gcc"
+runner = "qemu-aarch64 -L /usr/aarch64-linux-gnu"
+rustflags = ["-C", "target-cpu=neoverse-n1"]
+```
+6. cargo test --target aarch64-unknown-linux-gnu
+Additional information:
+The issue does not seem to occur with libc6:2.36-9+deb12u4
+
+The same binary runs fine on a real arm64 target with the upgraded libc6 version 2.36-9+deb12u6.