Panic with vboxnet drivers

Juergen Lock nox at jelal.kn-bremen.de
Wed Sep 23 18:33:47 UTC 2009


In article <alpine.BSF.2.00.0909221337580.13791 at thor.farley.org> you write:
>While I have had no trouble with two systems running with the tap patch, 
>I am experiencing some lockups when using the vboxnet* drivers.
>
>I have five witness logs (attached):
>1. The first one appeared when I tried to run VirtualBox with vboxnetadp
>    loaded via loader.conf.  VirtualBox will not be able to find the
>    VirtualBox network drivers this way, so I unloaded and loaded
>    vboxnetadp from the command line for the following logs.
>2. The next three logs are LOR's (sleepable after non-sleepable)
>    concerning VirtualBox's "IPRT Fast Mutex Semaphore" which is an sx.
>    I am not sure I am reading the backtrace correctly.  It looks like
>    the call to RTSemFastMutexRequest(), which calls sx_xlock(), is the
>    effect.  I just do not know where the cause, i.e.,
>    RTSemFastMutexRequest(), is being called.
>3. The last log is a LOR, but it may not be related to VirtualBox.
>[...]

It seems the attachments got stripped...

	Juergen


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