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authorChristian Krinitsin <mail@krinitsin.com>2025-05-21 21:21:26 +0200
committerChristian Krinitsin <mail@krinitsin.com>2025-05-21 21:21:26 +0200
commit4b927bc37359dec23f67d3427fc982945f24f404 (patch)
tree245449ef9146942dc7fffd0235b48b7e70a00bf2 /gitlab/issues/target_missing/host_missing/accel_missing/2316.toml
parentaa8bd79cec7bf6790ddb01d156c2ef2201abbaab (diff)
downloademulator-bug-study-4b927bc37359dec23f67d3427fc982945f24f404.tar.gz
emulator-bug-study-4b927bc37359dec23f67d3427fc982945f24f404.zip
add gitlab issues in toml format
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+id = 2316
+title = "aarch64 virt cortex-a53 libc printf (with argument) hello world strange behavior"
+state = "closed"
+created_at = "2024-04-29T15:59:52.951Z"
+closed_at = "2024-04-29T16:17:03.933Z"
+labels = []
+url = "https://gitlab.com/qemu-project/qemu/-/issues/2316"
+host-os = "**Debian Sid**"
+host-arch = "**x86_64**"
+qemu-version = "**v9.0.0-265-gfd87be1dad**"
+guest-os = "**no** (libc bare metal hello world)"
+guest-arch = "**ARM Cortex-A53, Armv8-A**"
+description = """My hello world get lost after
+
+`0x0000000040000370 <+48>:    str     q0, [sp, #80]`
+
+in 
+
+```
+   0x1f8:       udf     #0
+   0x1fc:       udf     #0
+=> 0x200:       udf     #0
+   0x204:       udf     #0
+   0x208:       udf     #0
+   0x20c:       udf     #0
+   0x210:       udf     #0
+   0x214:       udf     #0
+```
+
+By bisecting, I got the last commit OK : v8.2.0-2033-g49fa457ca5
+
+```
+$ qemu-system-aarch64 -M virt,secure=on,gic-version=3 -cpu cortex-a53 -kernel aarch64-none-elf-a.elf -serial stdio -display none
+printf with an integer : 42
+```
+
+But after v8.2.0-2034-g59754f85ed https://gitlab.com/qemu-project/qemu/-/commit/59754f85ed35cbd5f4bf2663ca2136c78d5b2413 (for example with latest v9.0.0-265-gfd87be1dad), it doesn't work anymore."""
+reproduce = """1. Build qemu-system-aarch64 with ``./configure --prefix=$PREFIX --target-list=aarch64-softmmu --disable-user --disable-linux-user --disable-bsd-user --enable-kvm --enable-tcg --disable-gnutls --disable-nettle --disable-gtk --disable-iconv --disable-curses --disable-curl --disable-vnc --disable-vnc-jpeg --disable-attr --disable-libusb --disable-opengl --disable-tpm --disable-bzip2 && make -j$(nproc) && make install``
+
+2. Run my hello world : ``qemu-system-aarch64 -M virt,secure=on,gic-version=3 -cpu cortex-a53 -kernel aarch64-none-elf-a.elf -serial stdio -display none``"""
+additional = """I provide here the hello world (elf + map). Of course the problem might be that it (qemu and/or hello world) was not built correctly and that everything was working by chance before v8.2.0-2033-g49fa457ca5
+[aarch64-none-elf-a.elf](/uploads/daf7f37aec260c56d4be5fd90554dce3/aarch64-none-elf-a.elf)
+[aarch64-none-elf-a.map](/uploads/5564cee13a214e7eb8d6d4bf79f09682/aarch64-none-elf-a.map)
+Depending on the investigation, I can provide what's needed to rebuild it."""