Avi Kivity wrote:
>
> This looks nicer, however I get an oops on fxrstor in
> kvm_load_guest_fpu(), when running user/test/vmexit.flat compiled for
> i386, on an x86_64 host.
>
Avi:
Per your guideline, I did following under kvm-userspace/user:
1: make test/bootstrap
2: make test/vmexit.flat
3: ./kvmctl test/bootstrap test/vmexit.flat
I got:
rip 0000000000100008 rflags 00010006
cs 0008 (00000000/ffffffff p 1 dpl 0 db 1 s 1 type b l 0 g 1 avl 0)
ds 0010 (00000000/ffffffff p 1 dpl 0 db 1 s 1 type 3 l 0 g 1 avl 0)
es 0010 (00000000/ffffffff p 1 dpl 0 db 1 s 1 type 3 l 0 g 1 avl 0)
ss 0010 (00000000/ffffffff p 1 dpl 0 db 1 s 1 type 3 l 0 g 1 avl 0)
fs 0010 (00000000/ffffffff p 1 dpl 0 db 1 s 1 type 3 l 0 g 1 avl 0)
gs 0010 (00000000/ffffffff p 1 dpl 0 db 1 s 1 type 3 l 0 g 1 avl 0)
tr 0000 (00000000/0000ffff p 1 dpl 0 db 0 s 0 type b l 0 g 0 avl 0)
ldt 0000 (00000000/0000ffff p 1 dpl 0 db 0 s 0 type 2 l 0 g 0 avl 0)
gdt f0050/17
idt 0/0
cr0 60000011 cr2 0 cr3 0 cr4 0 cr8 0 efer 0
Aborted
dmesg shows:
[EMAIL PROTECTED] user]# dmesg
emulation failed but !mmio_needed? rip 100008 61 74 65 6e
handle_exception: emulate fail
Then I roll back to original commit
ca76d209b88c344fc6a8eac17057c0088a3d6940,
I get same error.
Later on I tried 32 on 64, I did:
1: make test/bootstrap
2: i386 make test/vmexit.flat
3: ./kvmctl test/bootstrap test/vmexit.flat
I got same thing.
Stranger, did u try these on previous commit?
thx,eddie
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