[Xen-devel] Unhandled invalid opcode fault/trap

[John Morrison <john@xxxxxxxxxxxxx>]

Hi,

Trying to get pv_ops working with 2.6.28.4, this is what I get on an  
Intel Xeon CPU.
Works fine on AMD Opteron...

(XEN) Xen trace buffers: disabled
(XEN) Std. Loglevel: Errors and warnings
(XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)
(XEN) Xen is relinquishing VGA console.
(XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch  
input to Xen)
(XEN) Freed 104kB init memory.
(XEN) mm.c:1482:d1 Bad L1 flags 800000
(XEN) traps.c:437:d1 Unhandled invalid opcode fault/trap [#6] on VCPU  
0 [ec=0000]
(XEN) domain_crash_sync called from entry.S
(XEN) Domain 1 (vcpu#0) crashed on cpu#7:
(XEN) ----[ Xen-3.3.1  x86_64  debug=n  Not tainted ]----
(XEN) CPU:    7
(XEN) RIP:    e033:[<ffffffff8020aa1a>]
(XEN) RFLAGS: 0000000000000282   EM: 1   CONTEXT: pv guest
(XEN) rax: 00000000ffffffea   rbx: 8000000000000161   rcx:  
00000000007ff000
(XEN) rdx: 0000000000000000   rsi: 80000008053e2061   rdi:  
ffffffff804f0000
(XEN) rbp: ffffffff8048ffa8   rsp: ffffffff8048ff58   r8:   
0000000000000000
(XEN) r9:  0000000000000000   r10: 0000000000000000   r11:  
0000000000000000
(XEN) r12: ffffffff804f0000   r13: 0000000000001000   r14:  
0000000000000008
(XEN) r15: 0000000000000008   cr0: 000000008005003b   cr4:  
00000000000026b0
(XEN) cr3: 000000080517e000   cr2: 0000000000000000
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e02b   cs: e033
(XEN) Guest stack trace from rsp=ffffffff8048ff58:
(XEN)    00000000007ff000 0000000000000000 ffffffff8020aa1a  
000000010000e030
(XEN)    0000000000010082 ffffffff8048ff98 000000000000e02b  
ffffffff8020aa16
(XEN)    0000000000000200 0000000000000040 ffffffff8048fff8  
ffffffff804b51c5
(XEN)    ffffffff80754000 0000080000000000 0000000000040000  
0000000000000000
(XEN)    0000000000000000 0000000000000000 0000000000000000  
0000000000000000
(XEN)    0000000000000000

Any ideas ?

Thanks

John

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