> > [ 0.000000] DMI: MSI MS-7680/H61M-P23 (MS-7680), BIOS V17.0 03/14/2011 > > [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved > > [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable > > [ 0.000000] No AGP bridge found > > [ 0.000000] e820: last_pfn = 0x23fe00 max_arch_pfn = 0x400000000 > > [ 0.000000] e820: lacanning 1 areas for low memory corruption > > [ 0.000000] Base memory trampoline at [ffff880000098000] 98000 size 24576 > > [ 0.000000] reserving inaccessible SNB gfx pages > > [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] > > [ 0.000000] [mem 0x00000000-0x000fffff] page 4k > > [ 0.000000] init_memory_mapping: [mem 0x1f2000000-0x1f20c3fff] > > [ 0.000000] [mem 0x1f2000000-0x1f20c3fff] page 4k > > [ 0.000000] BRK [0x01cd2000, 0x01cd2fff] PGTABLE > > [ 0.000000] BRK [0x01cd3000, 0x01cd3fff] PGTABLE > > [ 0.000000] init_memory_mapping: [mem 0x1f0000000-0x1f1ffffff] > > [ 0.000000] [mem 0x1f0000000-0x1f1ffffff] page 4k > > [ 0.000000] BRK [0x01cd4000, 0x01cd4fff] PGTABLE > > [ 0.000000] BRK [0x01cd5000, 0x01cd5fff] PGTABLE > > [ 0.000000] BRK [0x01cd6000, 0x01cd6fff] PGTABLE > > [ 0.000000] init_memory_mapping: [mem 0x180000000-0x1efffffff] > > [ 0.000000] [mem 0x180000000-0x1efffffff] page 4k > > [ 0.000000] init_memory_mapping: [mem 0x00100000-0x1fffffff] > > [ 0.000000] [mem 0x00100000-0x1fffffff] page 4k > > [ 0.000000] init_memory_mapping: [mem 0x20200000-0x3fffffff] > > [ 0.000000] [mem 0x20200000-0x3fffffff] page 4k > > [ 0.000000] init_memory_mapping: [mem 0x40200000-0xbad7ffff] > > [ 0.000000] [mem 0x40200000-0xbad7ffff] page 4k > > [ 0.000000] init_memory_mapping: [mem 0xbadf4000-0xbadf5fff] > > [ 0.000000] [mem 0xbadf4000-0xbadf5fff] page 4k > > [ 0.000000] init_memory_mapping: [mem 0xbae7f000-0xbaffffff] > > [ 0.000000] [mem 0xbae7f000-0xbaffffff] page 4k > > [ 0.000000] init_memory_mapping: [mem 0x100000000-0x17fffffff] > > [ 0.000000] [mem 0x100000000-0x17fffffff] page 4k > > [ 0.000000] init_memory_mapping: [mem 0x1f20c4000-0x23fdfffff] > > [ 0.000000] [mem 0x1f20c4000-0x23fdfffff] page 4k > > so init_memory_mapping are all done. Not so. > > > (XEN) d0:v0: unhandled page fault (ec=0000) > > (XEN) Pagetable walk from ffffea000005b2d0: > > (XEN) L4[0x1d4] = 0000000000000000 ffffffffffffffff > > (XEN) domain_crash_sync called from entry.S > > (XEN) Domain 0 (vcpu#0) crashed on cpu#0: > > (XEN) ----[ Xen-4.1.5-pre x86_64 debug=y Tainted: C ]---- > > (XEN) CPU: 0 > > (XEN) RIP: e033:[<ffffffff8103feba>] > > (XEN) RFLAGS: 0000000000000206 EM: 1 CONTEXT: pv guest > > (XEN) rax: ffffea0000000000 rbx: 0000000001a0c000 rcx: 0000000080000000 > > (XEN) rdx: 000000000005b2a0 rsi: 0000000001a0c000 rdi: 0000000000000000 > > (XEN) rbp: ffffffff81a01dd8 rsp: ffffffff81a01d90 r8: 0000000000000000 > > (XEN) r9: 0000000010000001 r10: 0000000000000005 r11: 0000000000100000 > > (XEN) r12: 0000000000000000 r13: 0000020000000000 r14: 0000000000000000 > > (XEN) r15: 0000000000100000 cr0: 000000008005003b cr4: 00000000000026f0 > > (XEN) cr3: 0000000221a0c000 cr2: ffffea000005b2d0 > > (XEN) ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e02b cs: e033 > > (XEN) Guest stack trace from rsp=ffffffff81a01d90: > > (XEN) 0000000080000000 0000000000100000 0000000000000000 ffffffff8103feba > > (XEN) 000000010000e030 0000000000010006 ffffffff81a01dd8 000000000000e02b > > (XEN) 0000000000000000 ffffffff81a01e08 ffffffff81042d27 000000023fe00000 > > (XEN) 00000001f20c4000 0000020000000000 00000001acac7000 ffffffff81a01e48 > > (XEN) ffffffff81ad2d21 0000000000000000 0000000000000028 0000000040004000 > > (XEN) 0000000000000000 0000000000000000 0000000000000000 ffffffff81a01ed8 > > (XEN) ffffffff81ac293f ffffffff81b46900 0000000000000000 0000000000000000 > > (XEN) 0000000000000000 ffffffff81a01f00 ffffffff8165fbd1 ffffffff00000010 > > (XEN) ffffffff81a01ee8 ffffffff81a01ea8 0000000000000000 ffffffff81a01ec8 > > (XEN) ffffffffffffffff ffffffff81b46900 0000000000000000 0000000000000000 > > (XEN) 0000000000000000 ffffffff81a01f28 ffffffff81abcd62 ffffffff96062000 > > (XEN) ffffffff81cc6000 ffffffff81ccd000 ffffffff81b4f2e0 0000000000000000 > > (XEN) 0000000000000000 0000000000000000 0000000000000000 ffffffff81a01f38 > > (XEN) ffffffff81abc5f7 ffffffff81a01ff8 ffffffff81abf0c7 0300000100000032 > > (XEN) 0000000000000005 0000000000000000 0000000000000000 0000000000000000 > > (XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > > (XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > > (XEN) 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > > (XEN) 0000000000000000 819822831fc9cbf5 000206a700100800 0000000000000001 > > (XEN) 0000000000000000 0000000000000000 0f00000060c0c748 ccccccccccccc305 > > (XEN) Domain 0 crashed: rebooting machine in 5 seconds. > > (XEN) Resetting with ACPI MEMORY or I/O RESET_REG. > > can we get kernel trace instead? If you look at the initial one I had posted: > >> Call Trace: > >> [<ffffffff8103feba>] xen_get_user_pgd+0x5a <-- > >> [<ffffffff8103feba>] xen_get_user_pgd+0x5a > >> [<ffffffff81042d27>] xen_write_cr3+0x77 > >> [<ffffffff81ad2d21>] init_mem_mapping+0x1f9 > >> [<ffffffff81ac293f>] setup_arch+0x742 > >> [<ffffffff81666d71>] printk+0x48 > >> [<ffffffff81abcd62>] start_kernel+0x90 > >> [<ffffffff8109416b>] __add_preferred_console.clone.1+0x9b > >> [<ffffffff81abc5f7>] x86_64_start_reservations+0x2a > >> [<ffffffff81abf0c7>] xen_start_kernel+0x564 The EIP matches with what this stack strace has. So we are still in init_mem_mapping.
