From: Herbert Poetzl (herbert_at_13thfloor.at)
Date: Sun 19 Dec 2004 - 17:33:24 GMT
On Sun, Dec 19, 2004 at 12:30:47PM -0500, Benoit des Ligneris wrote:
> Hello,
>
> Well, the vserver has some CAP : I tried initially with
> CAP_NET_ADMIN and CAP_SYS_ADMIN but with no success.
>
> After a bit of RTFS, I still believe that no additional CAP should be
> necessary but maybe am I wrong ?
>
> Any suggestion ?
show up on the irc channel (#vserver @ irc.oftc.net)
and we'll investigate it ...
best,
Herbert
> Ben
>
>
> * Herbert Poetzl <herbert_at_13thfloor.at> [04-12-19 11:12]:
> > On Fri, Dec 17, 2004 at 11:17:29PM -0500, Benoit des Ligneris wrote:
> > > Hello,
> > >
> > > We are trying to run an X server inside a vserver. We found some
> > > messages on the mailing list but no know success ;-)
> > >
> > > The errror we have is the following :
> > > ========= Extract of XFree86 log ==============
> > > * BIOS: Failed to open /dev/mem (Operation not permitted)
> > > Using vt 7
> > > (--) using VT number 7
> > >
> > > (WW) Open APM failed (/dev/apm_bios) (No such device)
> > >
> > > Fatal server error:
> > > xf86EnableIOPorts: Failed to set IOPL for I/O
> > > ====End of Extract of XFree86 log ==============
> > >
> > >
> > > I noticed that it is not possible to access /dev/mem from inside a
> > > vserver. I think this is needed because X try to directly access the
> > > memory.
> > >
> > > Any idea to achieve that ?
> >
> > hmm, did you try to give proper capabilities to that
> > vserver?
> >
> > no need to mention that access to /dev/mem or /proc/mem
> > will allow to wipe out your host machine ...
> >
> > best,
> > Herbert
> >
> > > Thanks by advance,
> > >
> > > Ben
> > >
> > > --
> > > Benoit des Ligneris Ph. D.
> > > President de Revolution Linux http://www.revolutionlinux.com/
> > > OSCAR Chair http://oscar.openclustergroup.org/
> > > Chef de projet EduLinux http://www.edulinux.org/
> > > _______________________________________________
> > > Vserver mailing list
> > > Vserver_at_list.linux-vserver.org
> > > http://list.linux-vserver.org/mailman/listinfo/vserver
>
> --
> Benoit des Ligneris Ph. D.
> President de Revolution Linux http://www.revolutionlinux.com/
> OSCAR Chair http://oscar.openclustergroup.org/
> Chef de projet EduLinux http://www.edulinux.org/
> _______________________________________________
> Vserver mailing list
> Vserver_at_list.linux-vserver.org
> http://list.linux-vserver.org/mailman/listinfo/vserver
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