Virtualbox "Settings" don't show any window (FreeBSD-10 current)

[Miguel Clara]

Here it goes (I'm not sure if this is the expected output though, because I
see a "permission denied" there...
The file permission for VirtualBox are odd, and if I change then it won't
run at all.


% gdb /usr/local/lib/virtualbox/VirtualBox VirtualBox.core
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This GDB was configured as
"amd64-marcel-freebsd".../usr/local/lib/virtualbox/VirtualBox: Permission
denied.

Core was generated by `VirtualBox'.
Program terminated with signal 11, Segmentation fault.
#0 0x0000000000000000 in ?? ()
(gdb) backtrace
#0 0x0000000000000000 in ?? ()
#1 0x0000000800afd042 in ?? ()
#2 0x0000000801dda9c0 in ?? ()
#3 0x00007fffffffacf0 in ?? ()
#4 0x0000000000000000 in ?? ()


On Wed, Sep 25, 2013 at 11:06 AM, Bernhard Fröhlich <decke at freebsd.org>wrote:

> On Wed, Sep 25, 2013 at 3:44 AM, Miguel C. <miguelmclara at gmail.com> wrote:
> >
> > Alpha 2 is not an option, please see:
> http://lists.freebsd.org/pipermail/freebsd-current/2013-September/044792.html
> >
> > However I've updated to r255788, recompiled and now I get a Segmentation
> fault trying to run VirtualBox...var/messages only shows that the process
> exited on signal 11... where else can I see more info?
>
> Signal 11 is SIGSEGV (segmentation violation) so a coredump and stacktrace
> would help. Since virtualbox is a suid root binary no coredump is created
> per
> default.
>
> You need to set:
>
> sysctl kern.sugid_coredump=1
>
> and then start virtualbox and let it crash. Then you should get a coredump
> that
> you can open with gdb and obtain a stacktrace.
>
> Something like:
> gdb /usr/local/lib/virtualbox/VirtualBox VirtualBox.core
> in the interactive prompt type: "backtrace" and send us the stacktrace.
>
> --
> Bernhard Froehlich
> http://www.bluelife.at/
>