Panic with vboxnet drivers
Sean C. Farley
scf at FreeBSD.org
Wed Sep 23 18:41:39 UTC 2009
On Wed, 23 Sep 2009, Juergen Lock wrote:
> 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...
Oops. I think I forgot to attach them. :)
Here they are now: http://people.freebsd.org/~scf/vb-witness.log
Sean
--
scf at FreeBSD.org
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