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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 16:27:09 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 16:27:09 +0000 |
| commit | 4d9e26c0333abd39bdbd039dcdb30ed429c475ba (patch) | |
| tree | 4010d5fb3e8bc48c110a2c1ff2a16b8648cb86bb /results/classifier/accel-gemma3:12b/tcg/2316 | |
| parent | 5541099586dbd6018574cb44e1934907c121526f (diff) | |
| download | emulator-bug-study-4d9e26c0333abd39bdbd039dcdb30ed429c475ba.tar.gz emulator-bug-study-4d9e26c0333abd39bdbd039dcdb30ed429c475ba.zip | |
add gemma accelerator classification results
Diffstat (limited to 'results/classifier/accel-gemma3:12b/tcg/2316')
| -rw-r--r-- | results/classifier/accel-gemma3:12b/tcg/2316 | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/results/classifier/accel-gemma3:12b/tcg/2316 b/results/classifier/accel-gemma3:12b/tcg/2316 new file mode 100644 index 00000000..006d1b1d --- /dev/null +++ b/results/classifier/accel-gemma3:12b/tcg/2316 @@ -0,0 +1,37 @@ + +aarch64 virt cortex-a53 libc printf (with argument) hello world strange behavior +Description of problem: +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. +Steps to 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 information: +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. |