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Live Migration fail and source node reboot on AMD processor servers

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Recently i found several customers that are running Hyper-V R2 under AMD Family 10h processors and they experienced server reboots on the source host that start the migration. There isn’t any information on the event viewer or any dump cause the root cause is a hardware problem. This crash was reported by AMD and our product team help to fix the issue with a software workaround. This issue mostly happens with virtual machines with 2 or more processors. Most of the customers who reported the issue were able to live migrate VMs with 1 virtual processors.

https://support.microsoft.com/kb/981618

Comments

  • Anonymous
    January 01, 2003
    Can you check these file versions? File name File version File size Date Time Platform Hvax64.exe 6.1.7600.16561 643,584 27-Mar-2010 02:26 x64 Hvix64.exe 6.1.7600.16561 707,072 27-Mar-2010 02:26 x64 Hvax64.exe 6.1.7600.20678 643,584 27-Mar-2010 02:26 x64 Hvix64.exe 6.1.7600.20678 707,072 27-Mar-2010 02:26 x64

  • Anonymous
    January 01, 2003
    Hi Anders, The fix is already inlcluded on SP1. are you 100% sure that is the same issue? Can you describe in what scenarios are you reproducing the issue?

  • Anonymous
    January 01, 2003
    Hi Stephen, You can download the hotfix from the posted link kb ( 981618 ) . One question. Do you have only one AMD host? Are you sure you are facing the same issue?

  • Anonymous
    January 01, 2003
    The comment has been removed

  • Anonymous
    January 01, 2003
    The comment has been removed

  • Anonymous
    September 10, 2010
    We started experiencing this after moving to our cluster the other day. It is most annoying. Any idea on when the hotfix will go out normally? We only have 1 AMD host in our test setup which means we would need to put the patch into production for testing.

  • Anonymous
    September 10, 2010
    We have 3 AMD hosts in a cluster, 1 I can use for testing. Live Migration will regularly cause the a crash. System Bios reports a CPU CHK fault. I have just tried the hotfix and it won't install saying it is not applicable for my computer. CPUZ picks up the cpus are AMD Opteron 2376, Shanghai Core.