[Xen-bugs] [Bug 1644] xen does not boot when iommu is on after upgrading to xen 4.0.1-rc5 from rc3

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1644





------- Comment #16 from pasik@xxxxxx  2010-12-19 06:54 -------

Ok, thanks for the new log.

Last lines from dom0 kernel:
[    0.000000] initial memory mapped : 0 - 03bff000
[    0.000000] init_memory_mapping: 0000000000000000-00000000bbe80000
[    0.000000]  0000000000 - 00bbe80000 page 4k
[    0.000000] kernel direct mapping tables up to bbe80000 @ 100000-6e4000
[    0.000000] init_memory_mapping: 0000000100000000-0000000207b09000
[    0.000000]  0100000000 - 0207b09000 page 4k
[    0.000000] kernel direct mapping tables up to 207b09000 @ 334b000-4393000

And then kaboom:

(XEN) mm.c:779:d0 Bad L1 flags 800000
(XEN) mm.c:1186:d0 Failure in alloc_l1_table: entry 400
(XEN) mm.c:2117:d0 Error while validating mfn 13b6e5 (pfn 36e5) for type
1000000000000000: caf=8000000000000003 taf=1000000000000001
(XEN) mm.c:2733:d0 Error while pinning mfn 13b6e5
(XEN) traps.c:466:d0 Unhandled invalid opcode fault/trap [#6] on VCPU 0
[ec=0000]
(XEN) domain_crash_sync called from entry.S
(XEN) Domain 0 (vcpu#0) crashed on cpu#0:
(XEN) ----[ Xen-4.0.2-rc1-pre  x86_64  debug=n  Not tainted ]----
(XEN) CPU:    0
(XEN) RIP:    e033:[<ffffffff81037e99>]
(XEN) RFLAGS: 0000000000000282   EM: 1   CONTEXT: pv guest
(XEN) rax: 00000000ffffffea   rbx: 00000000000036e5   rcx: 000000000000001b
(XEN) rdx: 0000000000000000   rsi: 0000000000000001   rdi: ffffffff81891ba8
(XEN) rbp: ffffffff81891bc8   rsp: ffffffff81891b68   r8:  0000000000000728
(XEN) r9:  ffff880000000000   r10: 0000000000007ff0   r11: 00000001731ff063
(XEN) r12: ffffffff818a3f30   r13: ffffffffff400cc0   r14: 0000000173000000
(XEN) r15: 0000000173200000   cr0: 000000008005003b   cr4: 00000000000026f0
(XEN) cr3: 0000000139001000   cr2: 0000000000000000
(XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: e02b   cs: e033
(XEN) Guest stack trace from rsp=ffffffff81891b68:
(XEN)    000000000000001b 00000001731ff063 ffffffff81037e99 000000010000e030
(XEN)    0000000000010082 ffffffff81891ba8 000000000000e02b ffffffff81037e95
(XEN)    0000000000000000 000000000013b6e5 0000000181891bf8 00000000000036e5
(XEN)    ffffffff81891be8 ffffffff81978fc2 8000000000000163 ffff8800036e5000
(XEN)    ffffffff81891c18 ffffffff8105e90a ffffffff81891c08 ffffffffff440000
(XEN)    8000000000000163 ffffffffff400cc0 ffffffff81891cc8 ffffffff815b661b
(XEN)    0000000000000000 0000000000000001 00000001000009ff 80000000000001e3
(XEN)    0000000000000000 0000000081988849 0000000207b09000 ffffffffff400000
(XEN)    0000000000000000 ffffffff81891d28 0000000140000000 8000000000000163
(XEN)    0000000000000198 ffffffff819888e9 00000000036e5000 ffffffffff400000
(XEN)    8000000000000163 ffff880001002028 0000000140000000 0000000140000000
(XEN)    ffffffff81891d58 ffffffff815b690d 0000000000000000 0000000000000003
(XEN)    0000000000000000 0000000000000000 0000000207b09000 ffff880001002000
(XEN)    0000000000000000 0000000000000004 0000000000000001 000000000000000f
(XEN)    000000000354c000 0000000207b09000 0000000000000001 ffffffff81001880
(XEN)    ffff880100000000 ffff880207b09000 ffffffff81891db8 ffffffff815b6ab6
(XEN)    ffffffff00000020 0000000000000000 ffff880207b09000 ffff880001007070
(XEN)    ffffffff81891db8 ffffffff81891e20 0000000000000001 000000000
(XEN)    ffffffff817e9ee2 0000000207b09000 ffffffff81891eb8 ffffffff81595a3c
(XEN)    ffffffff00000008 0000000081891e28 0000000100000000 0000000000000000
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.


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