VirtualBox 6.0.x freeze (#18385)

[Frykky]

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ModEdit; related ticket: #18385: Virtualbox 6 frequent freezes and crash

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I use VirtualBox on Win10 1809 and i have a vm with win 7.

Never a problem.
I installed 6.0.4 but was very unstable, every time that i open File Explorer freezes.
I went back to 5.6.x and all was good.

I try 6.0.8 but i have same problems.
I attach 2 logs.
https://www.virtualbox.org/attachment/t ... -50-40.log
https://www.virtualbox.org/attachment/t ... 5/VBox.log

do I have any wrong settings?

Ty

[socratis]

00:00:06.051157 Host RAM: 16306MB (15.9GB) total, 10998MB (10.7GB) available
00:00:06.272652 RamSize  <integer> = 0x00000002a4400000 (11 345 592 320, 10 820 MB, 10.5 GB)
00:00:06.272939 VRamSize <integer> = 0x0000000010000000 (268 435 456, 256 MB)

10820 + 256 + overhead > 10998. You are assigning memory to your guest, that you do not have available. Either close some applications on the host, buy more RAM for the host, or reduce the amount of RAM assigned to the guest.

And that's most probably why you get freezes and crashes. It's not a good thing to be exhausting your host's resources...

[Frykky]

Why i never had this issues with version 5?

[mpack]

Are you under the impression that RAM usage of an app remains constant across versions?

The rule of thumb is not to use more than half of AVAILABLE RAM, so in your case it should be around 5GB. Even in v5 you must have exceeded that by a lot, and was simply lucky to get away with it.

[socratis]

Why i never had this issues with version 5?

The amount of available memory on your host has absolutely nothing to do with VirtualBox versions, or VirtualBox at all! How many apps you have open in your host, and what your host is doing is the crucial factor here. If you decided to open 5000 tabs in Firefox, yeah, that's going to lower your available memory on the host...

[DanR7]

I have the same issue. I have a Win7 guest on a Win10 host. Things worked fine for years through versions 4 and 5. With version 6 I had frequent freezing of the guest, often related to opening Windows explorer and consistently for renaming a file extension in windows explorer when it popped up the are you sure you want to change that extension dialog box. Tried on both 6.0.8 and 6.0.12 with a 32GB lightly loaded host and a 3.5 GB 32bit lightly loaded guest. All was fine once I reverted to 5.2.32. I think its pretty clear this is not an available ram issue.

[socratis]

I think its pretty clear this is not an available ram issue.

I can't think of anything (by definition), until I see a complete VBox.log, from a complete VM run, where the problem occurs:

• Start the VM from cold-boot (not from a paused or saved state) / Observe or recreate the problem / Shutdown the VM (force close it if you have to).
• With the VM completely shut down (not paused or saved), right-click on the VM in the VirtualBox Manager and select "Show Log".
• Save only the first "VBox.log", ZIP it and attach it to your response. See the "Upload attachment" tab below the reply form.