[Solved] Guru Meditation

Discussions related to using VirtualBox on Linux hosts.
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arosselet
Posts: 2
Joined: 9. Jul 2021, 13:49

[Solved] Guru Meditation

Post by arosselet »

I have been using VirtalBox regularly , but something changed and suddenly I now get the Guru Meditation dialog and cannot start any of my VMs. :shock:
Can anyone tell me what is going on? I have no other virtualization running that I know of.. and this is a new phenomena for me.
Thanks
Ati
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mpack
Site Moderator
Posts: 39156
Joined: 4. Sep 2008, 17:09
Primary OS: MS Windows 10
VBox Version: PUEL
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Re: Guru Meditation

Post by mpack »

You are not using VirtualBox. You are using a third party build (6.1.22_SUSE). This forum only supports official builds.

However, I can see that your error is "VCPU0: Guru Meditation -79 (VERR_INVALID_STATE)", which IME usually means you have KVM running.
fth0
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Re: Guru Meditation

Post by fth0 »

You're encountering a known issue with Linux kernel 5.13, which is not supported by VirtualBox 6.1.22.
AndGry
Posts: 1
Joined: 10. Jul 2021, 12:59

Re: Guru Meditation

Post by AndGry »

fth0 wrote:You're encountering a known issue with Linux kernel 5.13, which is not supported by VirtualBox 6.1.22.
You made my day! Thank you very much. That's it! After rebooting with kernel version 5.12 everything worked again.
fth0
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Re: Guru Meditation

Post by fth0 »

Can you please try Linux kernel 5.13 with and without the no5lvl and nohugevmalloc parameters and report back? If it doesn't help, please also try if the following command makes any difference (don't forget to replace "VM name" ;)):

Code: Select all

VBoxManage setextradata "VM name" "VBoxInternal/RamPreAlloc" 1
You can revert it later by using

Code: Select all

VBoxManage setextradata "VM name" "VBoxInternal/RamPreAlloc"
luizluca
Posts: 8
Joined: 17. Dec 2008, 21:09

Re: Guru Meditation

Post by luizluca »

fth0 wrote:Can you please try Linux kernel 5.13 with and without the no5lvl and nohugevmalloc parameters and report back? If it doesn't help, please also try if the following command makes any difference (don't forget to replace "VM name" ;)):

Code: Select all

VBoxManage setextradata "VM name" "VBoxInternal/RamPreAlloc" 1
You can revert it later by using

Code: Select all

VBoxManage setextradata "VM name" "VBoxInternal/RamPreAlloc"
It works... but Win10 machine crashed during boot. :(
fth0
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Re: Guru Meditation

Post by fth0 »

luizluca wrote:It works
Which of the three suggestions?
luizluca wrote:... but Win10 machine crashed during boot.
Can you provide a zipped VBox.log file?
fth0
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Re: Guru Meditation

Post by fth0 »

Please try the VirtualBox test builds 6.1.23r145697 (or newer) that are supposed to fix VirtualBox issues on hosts with Linux kernel 5.13.
arosselet
Posts: 2
Joined: 9. Jul 2021, 13:49

Re: Guru Meditation

Post by arosselet »

I just upgrade to the newer kernel 5.13.1-1 and am using a newer build of virtualbox and kernel modules it all works fine.
It may not help, but under opensuse update installed version 6.1.22-604-1 of virtual box which have a changelog entry of:

Thu 15 Jul 2021 02:00:00 PM CEST
Larry Finger <Larry.Finger@gmail.com>
- Add file "fix_random_stack_failure.patch" to fix CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT
problem with kernel 5.13 as shown in boo#118105.
fth0
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Re: Guru Meditation

Post by fth0 »

Thanks for the feedback! :)
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