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Diffstat (limited to 'results/classifier/deepseek-2-tmp/output/KVM/1699567')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/output/KVM/1699567 | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/results/classifier/deepseek-2-tmp/output/KVM/1699567 b/results/classifier/deepseek-2-tmp/output/KVM/1699567 deleted file mode 100644 index 1cdbb028c..000000000 --- a/results/classifier/deepseek-2-tmp/output/KVM/1699567 +++ /dev/null @@ -1,16 +0,0 @@ - -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 |