SVM: exception in fx_init

SVM: exception in fx_init

[Zachary Amsden]

Running kvm_kmod with upstream module on 2.6.33.5-112.local.fc13.x86_64, 
I'm getting this exception, looks like the FPU init is still a bit broken.

I'll see if I can debug it a bit and post a patch.

[437469.742812] general protection fault: 0000 [#1] SMP
[437469.742821] last sysfs file: /sys/devices/virtual/net/vnet0/addr_len
[437469.742825] CPU 1
[437469.742832] Pid: 18852, comm: qemu-kvm Tainted: P        W  
2.6.33.5-112.local.fc13.x86_64 #1 30B9/HP Pavilion dv9000 (RP116UA#ABA)
[437469.742838] RIP: 0010:[<ffffffffa0ebe9bc>]  [<ffffffffa0ebe9bc>] 
fx_init+0x18/0x4d [kvm]
[437469.742873] RSP: 0018:ffff88005528dd48  EFLAGS: 00010202
[437469.742877] RAX: ffff880062ce8ac8 RBX: ffff880062ce8000 RCX: 
0000000080010010
[437469.742881] RDX: ffff880062ce8000 RSI: 0000000060000010 RDI: 
ffff880062ce8000
[437469.742885] RBP: ffff88005528dd48 R08: 00000000fffffc03 R09: 
0000000000000001
[437469.742889] R10: 0000000000000000 R11: ffff88000000af00 R12: 
ffff880062ce8000
[437469.742894] R13: ffffea000162e148 R14: ffffea00013412d0 R15: 
ffffea0000c2aac0
[437469.742899] FS:  00007fe60930c710(0000) GS:ffff880004700000(0000) 
knlGS:0000000000000000
[437469.742903] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[437469.742908] CR2: 0000000000428f80 CR3: 000000007599a000 CR4: 
00000000000006e0
[437469.742912] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 
0000000000000000
[437469.742916] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 
0000000000000400
[437469.742921] Process qemu-kvm (pid: 18852, threadinfo 
ffff88005528c000, task ffff88005f6f8000)
[437469.742924] Stack:
[437469.742927]  ffff88005528dd98 ffffffffa00967a1 ffffea0000d47130 
000000006564f000
[437469.742934] <0> 0000000000000000 ffff880037148000 0000000000000000 
000000000000ae41
[437469.742941] <0> 0000000000000000 0000000000000003 ffff88005528dda8 
ffffffffa0eb8ae6
[437469.742950] Call Trace:
[437469.742960]  [<ffffffffa00967a1>] svm_create_vcpu+0x1d9/0x28c [kvm_amd]
[437469.742978]  [<ffffffffa0eb8ae6>] kvm_arch_vcpu_create+0xe/0x10 [kvm]
[437469.742995]  [<ffffffffa0eb6779>] kvm_vm_ioctl+0xd0/0x3a5 [kvm]
[437469.743005]  [<ffffffff811196d5>] vfs_ioctl+0x2d/0xa1
[437469.743011]  [<ffffffff81119c4b>] do_vfs_ioctl+0x48b/0x4d1
[437469.743018]  [<ffffffff8110db38>] ? fget_light+0x52/0x100
[437469.743023]  [<ffffffff81119ce2>] sys_ioctl+0x51/0x74
[437469.743031]  [<ffffffff81008ac2>] system_call_fastpath+0x16/0x1b
[437469.743035] Code: 70 2d 00 00 48 89 d7 48 8b 05 b1 a3 02 00 ff 50 58 
c9 c3 55 48 8d 87 c8 0a 00 00 48 89 fa 48 89 87 68 0c 00 00 48 89 e5 9b 
db e3 <0f> ae 00 48 8d b7 e8 0a 00 00 c7 87 e0 0a 00 00 80 1f 00 00 31
[437469.743100] RIP  [<ffffffffa0ebe9bc>] fx_init+0x18/0x4d [kvm]
[437469.743120]  RSP <ffff88005528dd48>
[437469.743125] ---[ end trace 6f6585fda6a00c75 ]---