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[Qemu-devel] [Bug 712416] Re: kvm_intel kernel module crash with via nan

From: khetzal
Subject: [Qemu-devel] [Bug 712416] Re: kvm_intel kernel module crash with via nano vmx
Date: Tue, 19 Jun 2012 12:42:17 -0000

It's impossible to run any command because the system is frozen

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  kvm_intel kernel module crash with via nano vmx

Status in QEMU:
Status in “linux” package in Ubuntu:
Status in “kvm” package in Debian:

Bug description:
  kvm module for hardware virtualisation not work properly on via nano

  Tested with processor: VIA Nano processor U2250.
  Processors flags (visible in /proc/cpuinfo): fpu vme de pse tsc msr pae mce 
cx8 apic sep mtrr pge mca cmov pat clflush acpi mmx fxsr sse sse2 ss tm syscall 
nx lm constant_tsc up rep_good pni monitor vmx est tm2 ssse3 cx16 xtpr rng 
rng_en ace ace_en ace2 phe phe_en lahf_lm

  With kernel 2.6.32: kvm not work and dmesg contains a lot of:
  handle_exception: unexpected, vectoring info 0x8000000d intr info 0x80000b0d

  With kernel 2.6.35: all the system crash. Nothing visible in logs

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