Re: [Xen-devel] xen 3.0.5-rc3 vmx_create_vmcs panic on starting VT HVM domain

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 25/4/07 20:10, "Andi Kleen" <ak@xxxxxxx> wrote:

> I installed 3.0.5-rc3 on a SUSE 10.0 VT system.

Thanks!

> First during the boot up I get one message like

This one's harmless noise from a debug build. Default logging level is
everything.

> When I start a VT domain running an older linux system I get

Not good. 'Invalid opcode' with no BUG or ASSERT message probably means that
a VMWRITE instruction failed. Do you have your xen-syms file handy? If you
could send me that privately that would be superb (or an objdump -d of the
vmx_create_vmcs() function would suffice). What particular type of processor
were you running on?

 Thanks again,
 Keir

> (XEN) ----[ Xen-3.0.5-rc3  x86_64  debug=n  Not tainted ]----
> (XEN) CPU:    0
> (XEN) RIP:    e008:[<ffff83000015e806>] vmx_create_vmcs+0x416/0x480
> (XEN) RFLAGS: 0000000000010242   CONTEXT: hypervisor
> (XEN) rax: 0000000000002012   rbx: ffff830000220080   rcx: 000000003dcd5000
> (XEN) rdx: 0000000000002012   rsi: 0000000000000000   rdi: 0000000000000650
> (XEN) rbp: ffff830000220080   rsp: ffff8300001e3ce8   r8:  ffffffffffffffff
> (XEN) r9:  0000000000000000   r10: 0000000000000001   r11: 0000000000000001
> (XEN) r12: 0000000000000000   r13: 0000000000000000   r14: 0000000000000001
> (XEN) r15: 0000000000000040   cr0: 000000008005003b   cr4: 00000000000026f0
> (XEN) cr3: 0000000008440000   cr2: 00002b7295df2f70
> (XEN) ds: 0000   es: 0000   fs: 0063   gs: 0000   ss: e010   cs: e008
> (XEN) Xen stack trace from rsp=ffff8300001e3ce8:
> (XEN)    ffff830000220080 ffff83000015e901 0000000000000000 ffff830000154f36
> (XEN)    0001830000220080 0000000000000000 ffff830000220080 ffff830000149d59
> (XEN)    ffff830000220080 ffff830000220080 ffff830000236080 ffff83000012833e
> (XEN)    ffff830000220080 ffff830000220080 ffff830000236080 ffff8300001086c1
> (XEN)    0000000000000042 0000000000000001 0000000000305000 ffff830000236080
> (XEN)    0000000000305000 ffff8300001074e4 0000000100000000 0000000000000000
> (XEN)    000000050000000f 0000000043800001 0000000000000001 00002b7293294662
> (XEN)    00002b7295de46c0 00002b7293446e30 0000000043802bfc 0000000043802bf8
> (XEN)    0000000000000001 0000000043802db8 000000000072f120 00002aaaaac16440
> (XEN)    00002b72931c33c0 00002b7293443cc0 00002b7293443cc0 00002b7293443cc0
> (XEN)    00002b7293443cc0 00002b7293298a0b 0000000100000001 0000000000000000
> (XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
> (XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
> (XEN)    0000000000000000 0000000000000000 0000000000000000 0000000000000000
> (XEN)    0000000000000000 0000000000000000 0000000000000003 0000000000000202
> (XEN)    ffffffff802098e4 0000000000000100 00002b7293ca8c19 000000000000e033
> (XEN)    0000000000000202 ffff83000023a080 0000000043802ba0 0000000000305000
> (XEN)    0000000000000009 0000000000305000 0000000000000000 ffff83000017c102
> (XEN)    0000000000000000 0000000000305000 0000000000000009 0000000000305000
> (XEN)    0000000043802ba0 ffff8800383b5880 0000000000000282 00002aaaaabdfa10
> (XEN) Xen call trace:
> (XEN)    [<ffff83000015e806>] vmx_create_vmcs+0x416/0x480
> (XEN)    [<ffff83000015e901>] vmx_vcpu_initialise+0x61/0xa0
> (XEN)    [<ffff830000154f36>] vlapic_init+0xe6/0x150
> (XEN)    [<ffff830000149d59>] hvm_vcpu_initialise+0x29/0x110
> (XEN)    [<ffff83000012833e>] vcpu_initialise+0x2e/0x110
> (XEN)    [<ffff8300001086c1>] alloc_vcpu+0xb1/0x120
> (XEN)    [<ffff8300001074e4>] do_domctl+0x5c4/0xc40
> (XEN)    [<ffff83000017c102>] syscall_enter+0x62/0x67
> (XEN)
> (XEN)
> (XEN) ****************************************
> (XEN) Panic on CPU 0:
> (XEN) FATAL TRAP: vector = 6 (invalid opcode)
> (XEN) ****************************************
> (XEN)



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