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...only affects intel: http://www.gossamer-threads.com/lists/xen/devel/185593 For logging the output is the same as in the above thread: Xen call trace ========== xsave_init + 0x6d/0x1f0 init_intel + 0x13d/0x380 generic_identity + 0x39/0x190 identify_cpu + 0xe2/0x250 __start_xen + 0x2ec6/0x3340 __high_start + 0xa1/0xa3 Error message: =========== Panic on CPU 0: Xen BUG at i387.c:159 For more info: http://wiki.xensource.com/xenwiki/Xen4.0 In Xen 4.0.1 there's a bug in HVM guest save/restore/livemigration on Intel CPUs, related to XSAVE feature. As a workaround you can add "no-xsave&quot...

...eck_init+0x26/0xe0 (XEN) [<ff1464cc>] identify_cpu+0x1fc/0x210 (XEN) [<ff1b3fbe>] subarch_init_memory+0x4e/0x70 (XEN) [<ff1ad999>] __start_xen+0xab9/0x1380 (XEN) [<ff1a1fff>] e820nr+0x0/0x4 (XEN) [<ff1a15ff>] e820map+0x0/0xa00 (XEN) [<ff10006c>] __high_start+0x58/0x5a (XEN) (XEN) (XEN) **************************************** (XEN) Panic on CPU 0: (XEN) GENERAL PROTECTION FAULT (XEN) [error_code=0000] (XEN) **************************************** (XEN) (XEN) Reboot in five seconds... -------------- next part -------------- A non-text attachment...

Hello, This series has been split into two patches, one for arm and one for x86. I figured that this was easier than doing it as a single combined patch, especially as the changes are functionally independent. x86 has been boot tested, but arm has not even been compile tested as I lack a suitable cross compiler. However, the changes are just text replacement, so I dont expect any issues. The

...0x13b/0x3c0 (XEN) [<ff129f39>] intel_vtd_setup+0x599/0x600 (XEN) [<ff126b96>] iommu_setup+0x26/0x100 (XEN) [<ff117e80>] stopmachine_softirq+0x0/0xa0 (XEN) [<ff1f69d5>] __start_xen+0xef5/0x1570 (XEN) [<ff1e6250>] e820nr+0x0/0x4 (XEN) [<ff10006c>] __high_start+0x58/0x5a (XEN) (XEN) Pagetable walk from fff7aff8: (XEN) L3[0x003] = 000000000022f001 55555555 (XEN) L2[0x1ff] = 0000000000271063 55555555 (XEN) L1[0x17a] = 0000000000000000 ffffffff (XEN) (XEN) **************************************** (XEN) Panic on CPU 0: (XEN) FATAL PAGE FAULT (XEN) [e...

...;] __bug+0x24/0x30 (XEN) [<ffff830000106f15>] alloc_vcpu+0x45/0x130 (XEN) [<ffff830000107369>] alloc_idle_vcpu+0x59/0x80 (XEN) [<ffff830000169f49>] smp_prepare_cpus+0x4a9/0xd10 (XEN) [<ffff830000168f0c>] __start_xen+0x75c/0xac0 (XEN) [<ffff8300001001c1>] __high_start+0x94/0x96 (XEN) (XEN) ************************************ (XEN) CPU0 FATAL TRAP 6 (invalid opcode), ERROR_CODE 0000, IN INTERRUPT CONTEXT. (XEN) System shutting down -- need manual reset. (XEN) ************************************ This happends the same on two identical systems that pass all of t...