On 2012-12-14 09:58, Koehrer Mathias (ETAS/ESS2) wrote: > Hi all, > > I have detected the following issue: > I use an x86 PC using kernel 3.2.34-rt51 and I want to run VirtualBox 4.2.4 using this PC as host. > However, the PC freezes completely when loading the vbox driver "vboxdrv". > Using the very same kernel without the RT_PREEMPT patch shows no issues. > > Using an older version of VirtualBox (V4.1.22) works fine as well. > > I know that this might be slightly off-topic. However there might be some RT_PREEMPT users that have detected the same issue and know a solution for this. > > I have attached my kernel .config file. > > Thanks for any feedback on this. Try enabling lock debugging. Likely there is an incompatibility in the vbox driver or even a bug, and that may reveal more details. Otherwise: KVM is the better choice on Linux hosts, and it works fine over -rt. Jan
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