div8cn opened a new issue #4245:
URL: https://github.com/apache/cloudstack/issues/4245
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##### ISSUE TYPE
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* Bug Report
##### COMPONENT NAME
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KVM
UEFI
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##### CLOUDSTACK VERSION
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branch.
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4.14.0.0
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##### CONFIGURATION
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advanced networking, etc. N/A otherwise
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##### OS / ENVIRONMENT
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Hypervisor: CentOS7.6
Compiled against library: libvirt 4.5.0
Using library: libvirt 4.5.0
Using API: QEMU 4.5.0
Running hypervisor: QEMU 2.12.0
OVMF: OVMF-20180508-6.gitee3198e672e2.el7.noarch
##### SUMMARY
<!-- Explain the problem/feature briefly -->
Under KVM Hypervisor
In UEFI LEGACY mode, the VM cannot enter the system normally, and "Guest has
not initialized the display (yet)." is displayed in the console.
VM starts normally in UEFI Secure mode
After comparison, we found that:
**In UEFI LEGACY mode, the VM uses pc-i440f chip,**
**In UEFI Secure mode, the Q35 chip is used.**
After I switched the VM chip from pc-i440fx-rhel7.6.0 to pc-q35-rhel7.6.0
(manually modify the configuration file), the VM can enter the system normally.
**so. UEFI under CentOS7 should run under Q35 chip (UEFI LEGACY AND UEFI
SECURE)**
##### STEPS TO REPRODUCE
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1.Deploy VM through template, boot type select UEFI.Boot Mode select LEGACY
2.After the VM runs successfully, open the console
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##### EXPECTED RESULTS
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The console displays guest OS information, or UEFI shell.
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##### ACTUAL RESULTS
<!-- What actually happened? -->
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Guest has not initialized the display (yet).
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