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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 07:27:52 +0000 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 07:27:52 +0000 |
| commit | d0c85e36e4de67af628d54e9ab577cc3fad7796a (patch) | |
| tree | f8f784b0f04343b90516a338d6df81df3a85dfa2 /results/classifier/gemma3:12b/kvm/1699567 | |
| parent | 7f4364274750eb8cb39a3e7493132fca1c01232e (diff) | |
| download | emulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.tar.gz emulator-bug-study-d0c85e36e4de67af628d54e9ab577cc3fad7796a.zip | |
add deepseek and gemma results
Diffstat (limited to 'results/classifier/gemma3:12b/kvm/1699567')
| -rw-r--r-- | results/classifier/gemma3:12b/kvm/1699567 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/results/classifier/gemma3:12b/kvm/1699567 b/results/classifier/gemma3:12b/kvm/1699567 new file mode 100644 index 00000000..1cdbb028 --- /dev/null +++ b/results/classifier/gemma3:12b/kvm/1699567 @@ -0,0 +1,16 @@ + +Qemu does not force SSE data alignment + +I have an OS that tries to use SSE operations. It works fine in qemu. But it crashes when I try to run the OS at the host cpu using KVM. + +The instruction that crahes with #GP(0) is + movaps ADDR,%xmm0 + +The documentation says ADDR has to be 16-bytes alignment otherwise #GP is generated. And indeed the problem was with the data alignment. After adjusting it at my side the OS works fine both with Qemu and KVM. + +It would be great if QEMU followed specification more closely and forced SSE data alignment requirements. It will help to catch alignment issues early and debug it easier. + + +$ qemu-system-x86_64 -version +QEMU emulator version 2.9.50 (v2.9.0-1363-g95eef1c68b) +Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers \ No newline at end of file |