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authorChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:34:26 +0000
committerChristian Krinitsin <mail@krinitsin.com>2025-06-30 12:35:44 +0000
commit25f8033d556aa17afaea4a5196ea7a69fe248320 (patch)
tree0f056db167683be54ea1e5e72d29d6069af55e7d /results/classifier/deepseek-2-tmp/output/hypervisor/1761535
parent8e6da29e4ee5fc14bc1cc816a24f21271f14090d (diff)
downloademulator-bug-study-25f8033d556aa17afaea4a5196ea7a69fe248320.tar.gz
emulator-bug-study-25f8033d556aa17afaea4a5196ea7a69fe248320.zip
add new temporary deepseek-r1:14b results
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+
+qemu-aarch64-static docker arm64v8/openjdk coredump
+
+I am using qemu-aarch64-static to run the arm64v8/openjdk official image on my x86 machine. Using QEMU master, I immediately hit a bug which hangs the container. With Ubuntu default version qemu-aarch64 version 2.5.0 (Debian 1:2.5+dfsg-5ubuntu10.24) and qemu-aarch64 version 2.11.1 (v2.11.1-dirty) the hang does not take place.
+
+To reproduce (and get to the core dump):
+
+$ /tmp/tmptgyg3nvh/qemu-aarch64-static/qemu-aarch64-static -version
+qemu-aarch64 version 2.11.91 (v2.12.0-rc1-5-g47d3b60-dirty)
+Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers
+
+$ docker run -it -v /tmp/tmptgyg3nvh/qemu-aarch64-static:/usr/bin/qemu-aarch64-static arm64v8/openjdk /bin/bash
+root@bf75cf45d311:/# javac
+Usage: javac <options> <source files>
+where possible options include:
+  -g                         Generate all debugging info
+<...snip...>
+  @<filename>                Read options and filenames from file
+
+qemu: uncaught target signal 11 (Segmentation fault) - core dumped
+...TERMINAL HANGS...
+
+
+To get the core dump, In a separate terminal:
+
+# snapshot the file system of the hung image
+$ docker commit $(docker ps -aqf "name=latest_qemu") qemu_coredump
+
+# connect with known working qemu
+$ docker run -t -v /usr/bin/qemu-aarch64-static:/usr/bin/qemu-aarch64-static  -i qemu_coredump /bin/bash
+
+$$ ls -lat
+total 10608
+<snip>
+-rw-r--r--   1 root root 10792960 Mar 29 18:02 qemu_bash_20180329-180251_1.core
+drwxrwxrwt   5 root root     4096 Mar 29 18:02 tmp
+<snip>
\ No newline at end of file