Dong, Eddie wrote: > 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 > > Strange. On current HEAD, I get [EMAIL PROTECTED] kvm]# taskset 1 ./user/kvmctl user/test/bootstrap user/test/vmexit.flat rax 0000000000000000 rbx 0000000000000000 rcx 0000000000000000 rdx 0000000000000600 rsi 0000000000000000 rdi 0000000000000000 rsp 0000000000000000 rbp 0000000000000000 r8 0000000000000000 r9 0000000000000000 r10 0000000000000000 r11 0000000000000000 r12 0000000000000000 r13 0000000000000000 r14 0000000000000000 r15 0000000000000000 rip 000000000000fff0 rflags 00023002 cs f000 (000f0000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) ds 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) es 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) ss 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) fs 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) gs 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) tr 0000 (07ffd000/00002088 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 0/ffff idt 0/ffff cr0 60000010 cr2 0 cr3 0 cr4 0 cr8 0 efer 0 GUEST: vmexit latency: 5499 [EMAIL PROTECTED] kvm]# taskset 1 ./user/kvmctl user/test/bootstrap user/test/vmexit.flat rax 0000000000000000 rbx 0000000000000000 rcx 0000000000000000 rdx 0000000000000600 rsi 0000000000000000 rdi 0000000000000000 rsp 0000000000000000 rbp 0000000000000000 r8 0000000000000000 r9 0000000000000000 r10 0000000000000000 r11 0000000000000000 r12 0000000000000000 r13 0000000000000000 r14 0000000000000000 r15 0000000000000000 rip 000000000000fff0 rflags 00023002 cs f000 (000f0000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) ds 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) es 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) ss 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) fs 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) gs 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) tr 0000 (07ffd000/00002088 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 0/ffff idt 0/ffff cr0 60000010 cr2 0 cr3 0 cr4 0 cr8 0 efer 0 GUEST: vmexit latency: 4726 First run is with 64-bit guest, second with 32-bit guest. Can you send your test/bootstrap and test/vmexit.flat? -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
