Hi all, My dom0 kernel is 2.6.32.12-xen and Xen 3.4.2.
I had closed "No Execute" in BIOS, but I see flags 800000 which mean _PAGE_NX in crash information.
(XEN) mm.c:720:d0 Bad L1 flags 800000
(XEN) mm.c:4203:d0 ptwr_emulate: could not get_page_from_l1e()
(XEN) domain_crash_sync called from entry.S
(XEN) Domain 0 (vcpu#2) crashed on cpu#2:
(XEN) ----[ Xen-3.4.2 x86_64 debug=n Not tainted ]----
(XEN) CPU: 2
(XEN) RIP: e033:[<ffffffffa0375fcc>]
(XEN) RFLAGS: 0000000000010292 EM: 0 CONTEXT: pv guest
(XEN) rax: ffffffffa0376120 rbx: ffff880075222000 rcx: 0000000000000001
(XEN) rdx: ffff88000402b000 rsi: 0000000000000000 rdi: ffff880075222048
(XEN) rbp: ffff880075222000 rsp: ffff8800a5db5ff8 r8: ffffe8ffffeb0588
(XEN) r9: 0000000000000001 r10: 0000000000000000 r11: ffffffffa0376120
(XEN) r12: ffff880075222048 r13: ffff8800c8a69000 r14: ffff880075222058
(XEN) r15: 00007f44fd7802d0 cr0: 0000000080050033 cr4: 00000000000026f0
(XEN) cr3: 00000008dbaf8000 cr2: ffff8800a5db5ff0
(XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e033
(XEN) Guest stack trace from rsp=ffff8800a5db5ff8:
(XEN) ffff8800c8a69000 ffff880075222000 ffff88002bcc6500 ffffffffa0376144
(XEN) ffff8800c8a69000 ffff8800888f7380 ffff8800c8a690f8 ffffffffa0377e3c
(XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN) ffff8800c8a69000 ffff880075222000 ffff88002bcc6500 ffff8800c8a69000
(XEN) ffff880075222058 ffffffffa0376161 ffff8800c8a69000 ffff8800888f7380
(XEN) ffff8800c8a690f8 ffffffffa0377e3c 0000000000000000 0000000000000000
(XEN) 0000000000000000 0000000000000000 ffff8800c8a69000 ffff880075222000
(XEN) ffff88002bcc6500 ffff8800c8a69000 ffff880075222058 ffffffffa0376161
(XEN) ffff8800c8a69000 ffff8800888f7380 ffff8800c8a690f8 ffffffffa0377e3c
(XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN) ffff8800c8a69000 ffff880075222000 ffff88002bcc6500 ffff8800c8a69000
(XEN) ffff880075222058 ffffffffa0376161 ffff8800c8a69000 ffff8800888f7380
(XEN) ffff8800c8a690f8 ffffffffa0377e3c 0000000000000000 0000000000000000
(XEN) 0000000000000000 0000000000000000 ffff8800c8a69000 ffff880075222000
(XEN) ffff88002bcc6500 ffff8800c8a69000 ffff880075222058 ffffffffa0376161
(XEN) ffff8800c8a69000 ffff8800888f7380 ffff8800c8a690f8 ffffffffa0377e3c
(XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000
(XEN) ffff8800c8a69000 ffff880075222000 ffff88002bcc6500 ffff8800c8a69000
(XEN) ffff880075222058 ffffffffa0376161 ffff8800c8a69000 ffff8800888f7380
(XEN) ffff8800c8a690f8 ffffffffa0377e3c 0000000000000000 0000000000000000
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
[1182692.327659] BUG: unable to handle kernel
please help me
L