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Tutorial [KVM/XEN] HW_AES Detection Issues - (yum update - Illegal instruction)

Troubleshooting "Illegal instruction" error with YUM on KVM/XEN

cPanelResources Staff Staff Member

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cPanelResources submitted a new resource:

[KVM/XEN] HW_AES Detection Issues - (yum update - Illegal instruction) - Troubleshooting "Illegal instruction" error with YUM on KVM/XEN

cPanel Support has received several inquiries over the past month regarding a particular issue. This issue occurs on CentOS 6.8 XEN servers when you perform a system update via 'yum update', or when you attempt a cURL request. These commands typically result in an 'Illegal instruction (core dumped)' error.

The issue is due to Python attempting to execute a CPU opcode that is advertised as available by the server's host node virtualization system (XEN), but is not actually supported...
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#1 cPanelResources, May 10, 2018

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