virtualbox.org

Hi,

I am trying to install CentOS 8.3.2011 on a VM using VirtualBox 6.1.16 r140961 on a Windows 10 host. Hyper-V should be turned off, according to the output of bcdedit:

hypervisorlaunchtype Off

Now, when I start the VM, it comes up, and the Grub boot loader displays my options. I choose "Install CentOS Linux 8", and hit enter. Now I'd expect the installation kernel to launch, but that doesn't happen. Instead, the screen goes all blank, and the machine freezes. The log file ends with

00:01:11.413002 GIM: KVM: VCPU 0: Enabled system-time struct. at 0x000000020ce01000 - u32TscScale=0xc587c109 i8TscShift=-1 uVersion=2 fFlags=0x1 uTsc=0x2892ae4894 uVirtNanoTS=0xfa73207f4 TscKHz=2592006
00:01:11.413029 TM: Host/VM is not suitable for using TSC mode 'RealTscOffset', request to change TSC mode ignored
00:01:12.241836 GIM: KVM: Enabled wall-clock struct. at 0x000000020ce00000 - u32Sec=1608037212 u32Nano=490375598 uVersion=2
00:01:12.308020 PIT: mode=2 count=0x4a9 (1193) - 1000.15 Hz (ch=0)
00:01:12.462181 MsrExit/0: 0010:ffffffff89e64d98/LM: WRMSR 00000033, 20000000:00000000 -> VERR_CPUM_RAISE_GP_0!

Any ideas, what might be wrong?

Thanks,

Jochen

Start the guest from full power off, not save-state. Run until you see the problem happen, then shut down the guest from within the guest OS if possible. If not possible, close the Virtualbox window for the guest with the Power Off option set.

Please right-click the guest in the main Virtualbox window's guest list, choose Show Log. Save the far left tab's log, zip the log file, and post the zip file, using the forum's Upload Attachment tab.

scottgus1 wrote:Start the guest from full power off, not save-state. Run until you see the problem happen, then shut down the guest from within the guest OS if possible. If not possible, close the Virtualbox window for the guest with the Power Off option set.

What guest OS? I am attempting to perform an installation, so there is none.

[quite[Please right-click the guest in the main Virtualbox window's guest list, choose Show Log. Save the far left tab's log, zip the log file, and post the zip file, using the forum's Upload Attachment tab.[/quote]

Done. Thank you!

Despite this:

JochenW wrote:Hyper-V should be turned off, according to the output of bcdedit:

hypervisorlaunchtype Off

Virtualbox reports that something is still using Hyper-V. See HMR3Init: Attempting fall back to NEM (Hyper-V is active).

JochenW wrote:What guest OS?

The installer environment qualifies as an operating system. It is 'operating' the 'system' while it walks one through the installation process. Though you didn't get the VM's window closed so the log could close down properly, the log shows what it needed to show for this diagnosis.

I am happy to report, that my problem appears to be fixed with 6.1.18. Thanks!

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