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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
| commit | dee4dcba78baf712cab403d47d9db319ab7f95d6 (patch) | |
| tree | 418478faf06786701a56268672f73d6b0b4eb239 /results/classifier/deepseek-r1:14b/output/hypervisor/2063 | |
| parent | 4d9e26c0333abd39bdbd039dcdb30ed429c475ba (diff) | |
| download | emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.tar.gz emulator-bug-study-dee4dcba78baf712cab403d47d9db319ab7f95d6.zip | |
restructure results
Diffstat (limited to 'results/classifier/deepseek-r1:14b/output/hypervisor/2063')
| -rw-r--r-- | results/classifier/deepseek-r1:14b/output/hypervisor/2063 | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:14b/output/hypervisor/2063 b/results/classifier/deepseek-r1:14b/output/hypervisor/2063 new file mode 100644 index 00000000..08c96c89 --- /dev/null +++ b/results/classifier/deepseek-r1:14b/output/hypervisor/2063 @@ -0,0 +1,56 @@ + +Poor performance with -accel whpx on Server 2022 host, windows 10 guest - missing CPUID hypervisor ident data? +Description of problem: +**Performance of Windows 10 x64 QEMU virtual machine is essentially unusable, compared to same image running under Hyper-V on the same host system.** + +It appears the VM is not being provided the Hyper-V enlightenment hints while running under QEMU. The hv-XXX cpu options do not appear applicable to -accel WHPX. + +Below are dumps of the 0x40000000 cpuid values on the host, QEMU guest, and Hyper-V guest (exact same .VHD file used, nested virtualization not enabled for this VM). + +host: +- 0x40000000 eax=4000000c ebx=7263694d ecx=666f736f edx=76482074 +- 0x40000001 eax=31237648 ebx=0 ecx=0 edx=0 +- 0x40000002 eax=4f7c ebx=a0000 ecx=2 edx=85d +- 0x40000003 eax=bfff ebx=2bb9ff ecx=22 edx=71fffbf6 +- 0x40000004 eax=50d1c ebx=fff ecx=0 edx=0 +- 0x40000005 eax=400 ebx=400 ecx=ba00 edx=0 +- 0x40000006 eax=1e00be ebx=0 ecx=0 edx=0 +- 0x40000007 eax=80000007 ebx=3 ecx=0 edx=0 +- 0x40000008 eax=100001 ebx=1 ecx=aaaa edx=0 +- 0x40000009 eax=0 ebx=0 ecx=0 edx=0 +- 0x4000000a eax=0 ebx=0 ecx=0 edx=0 +- 0x4000000b eax=0 ebx=0 ecx=0 edx=0 +- 0x4000000c eax=0 ebx=0 ecx=0 edx=0 + +qemu guest with -accel whpx : +- 0x40000000 eax=40000010 ebx=0 ecx=0 edx=0 +- 0x40000001 eax=0 ebx=0 ecx=0 edx=0 +- 0x40000002 eax=0 ebx=0 ecx=0 edx=0 +- 0x40000003 eax=0 ebx=0 ecx=0 edx=0 +- 0x40000004 eax=0 ebx=0 ecx=0 edx=0 +- 0x40000005 eax=0 ebx=0 ecx=0 edx=0 +- 0x40000006 eax=0 ebx=0 ecx=0 edx=0 +- 0x40000007 eax=0 ebx=0 ecx=0 edx=0 +- 0x40000008 eax=0 ebx=0 ecx=0 edx=0 +- 0x40000009 eax=0 ebx=0 ecx=0 edx=0 +- 0x4000000a eax=0 ebx=0 ecx=0 edx=0 +- 0x4000000b eax=0 ebx=0 ecx=0 edx=0 +- 0x4000000c eax=0 ebx=0 ecx=0 edx=0 +- 0x4000000d eax=0 ebx=0 ecx=0 edx=0 +- 0x4000000e eax=0 ebx=0 ecx=0 edx=0 +- 0x4000000f eax=0 ebx=0 ecx=0 edx=0 +- 0x40000010 eax=225519 ebx=30d40 ecx=0 edx=0 + +hyperv guest VM: (nested virtualization not enabled) +- 0x40000000 eax=4000000b ebx=7263694d ecx=666f736f edx=76482074 +- 0x40000001 eax=31237648 ebx=0 ecx=0 edx=0 +- 0x40000002 eax=4f7c ebx=a0000 ecx=2 edx=85d +- 0x40000003 eax=ae7f ebx=388030 ecx=22 edx=e0bed7b2 +- 0x40000004 eax=40c2c ebx=fff ecx=0 edx=0 +- 0x40000005 eax=f0 ebx=400 ecx=ba00 edx=0 +- 0x40000006 eax=e ebx=0 ecx=0 edx=0 +- 0x40000007 eax=0 ebx=0 ecx=0 edx=0 +- 0x40000008 eax=0 ebx=0 ecx=0 edx=0 +- 0x40000009 eax=0 ebx=0 ecx=0 edx=0 +- 0x4000000a eax=0 ebx=0 ecx=0 edx=0 +- 0x4000000b eax=0 ebx=0 ecx=0 edx=0 |