Hi, i have a F4-424 with a ssd for the programs and 4 x Enterprise class hdd`s in traid for data
Since the last TOS 6.0.694 , VirtualBox is misbehaving on Windows 11 VM`s
Installation works, but after a short time the VM freezes and the whole NAS is not accessible anymore.
I need to unplug the power, as even the power button doesn`t react anymore.
If i plug in a tv on the HDMI , i get a screen with all kinds of errors and a hard lockup
Even tried reinstalling TOS6 on the traid array (and removing the ssd) but this doesn`t make any difference.
Windows 7 and Windows 10 VMs do work fine.
It shouldn`t be possible for a VM to crash the whole system , because it should be isolated from the host os.
I don`t know if this is recorded in the /var/log/messages file for analysis?
[Help] Windows 11 vm crashes whole NAS
Re: [Help] Windows 11 vm crashes whole NAS
Thank you for your feedback. When the virtual machine crashes, you can observe the system resource usage, especially the memory usage. How much memory is allocated to the virtual machine and how much memory is actually occupied.fordrwd4ever wrote: ↑23 Jun 2025, 21:11 Hi, i have a F4-424 with a ssd for the programs and 4 x Enterprise class hdd`s in traid for data
Since the last TOS 6.0.694 , VirtualBox is misbehaving on Windows 11 VM`s
Installation works, but after a short time the VM freezes and the whole NAS is not accessible anymore.
I need to unplug the power, as even the power button doesn`t react anymore.
If i plug in a tv on the HDMI , i get a screen with all kinds of errors and a hard lockup
Even tried reinstalling TOS6 on the traid array (and removing the ssd) but this doesn`t make any difference.
Windows 7 and Windows 10 VMs do work fine.
It shouldn`t be possible for a VM to crash the whole system , because it should be isolated from the host os.
I don`t know if this is recorded in the /var/log/messages file for analysis?
You can collect a system report and send it to us: support(at)terra-master.com
To contact our team, please send email to following addresses, remember to replace (at) with @
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Technical team: support(at)terra-master.com(for technical support)
Service team: service(at)terra-master.com(for purchasing, return, replacement, RMA service)
- fordrwd4ever
- Posts: 5
- Joined: 15 Jan 2025, 17:51

Re: [Help] Windows 11 vm crashes whole NAS
The e-mail is bouncing back , [email protected] is being reported as phishing by my hosting provider.
I`ve uploaded the log file here :
https://www.fordpower.org.uk/CAFE_CEST_20250623.zip
And this is the kernel panic message i get on the hdmi port

I`ve uploaded the log file here :
https://www.fordpower.org.uk/CAFE_CEST_20250623.zip
And this is the kernel panic message i get on the hdmi port

- Driftboss3d
- Posts: 1
- Joined: 29 Sep 2025, 17:48

Re: [Help] Windows 11 vm crashes whole NAS
Hey, I ran into something super similar on my F4-424 after the same TOS 6.0.694 update—Windows 11 VMs would freeze and take the whole NAS with them, needing a hard reset. It felt like VirtualBox lost proper isolation, which shouldn't happen; I ended up checking /var/log/messages and did find kernel panic entries tied to the VM process.
