Ticket #11286 (new defect)

Opened 3 years ago

Last modified 3 years ago

VBox 4.2.4 freezes on host with RT_PREEMPT kernel

Reported by: mako Owned by:
Priority: major Component: other
Version: VirtualBox 4.2.4 Keywords: RT_PREEMPT freeze vboxdrv
Cc: Guest type: other
Host type: Linux


Hi all,

I am using a x86 PC using the Linux RT_PREEMPT kernel 3.2.34-rt51. With this setup as host I can not use VirtualBox 4.2.4 as my PC freezes completlely when loading the kernel module "vboxdrv".

With the very same Linux kernel I can work fine using VirtualBox 4.1.18.

Any feedback on this issue is highly welcome!

Thanks a lot



Change History

comment:1 Changed 3 years ago by frank

Hard to say what the problem is but actually we don't test against such special kernels. I'm running the 'normal' PREEMPT kernel (without RT) and don't see any problem. Perhaps someone with more inside knowledge has an idea.

comment:2 Changed 3 years ago by mako

See als the related ticket #11318

Even with a non RT_PREEMPT kernel, there is an issue with the locks in vboxdrv.


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