This is a good suggestion, it solved my problem. I was so focused on this error that I didn't think about this simple solution ^^
Thanks David! David Francisco Rodriguez Perez a écrit : > Antoine > > I had same issue before. using gdb 6.3 under x86_64 it was working > okay. Then I jumped to gdb 6.5 under i686 and it worked fine only if I > ran as user root. Now with gdb 6.8 I can not do that. It looks the gdb > people has closed the door to debug setuid programs. So the suggestion > is to allow the UML to boot normally and let it pass the networking > and then re-attach via gdb. > > David Rodriguez > > On Tue, May 26, 2009 at 8:28 AM, Antoine Nguyen > <antoine.ngu...@streamcore.com <mailto:antoine.ngu...@streamcore.com>> > wrote: > > Hi all, > > I'm using a recent kernel (2.6.29.2, compiled by myself) for debugging > purposes. When I launch the guest inside gdb, all is going well until > network configuration. At the moment uml_net is called, I see a > "Permission denied" error inside GDB, which does not appear when I > launch the guest normally. > > Error inside GDB: > [New LWP 11721] > Executing new program: /proc/11721/exe > /proc/11721/exe: Permission denied. > > Error inside the guest: > helper_wait : waitpid process 11721 failed, errno = 10 > tuntap_open_tramp : didn't receive a message > setreuid to root failed : : Operation not permitted > tuntap_open_tramp failed - err = 22 > > I'm running ubuntu 8.04 server on the host. There is a uml_net group > defined and my user is registered inside. uml_net permissions are as > follow : > > -rwsr-x--- 1 root uml-net 24792 2007-12-04 16:50 /usr/lib/uml/uml_net > > Does someone has any idea about what is happening? > > Thanks. > > -- > Antoine Nguyen > Ingénieur R&D > www.streamcore.com <http://www.streamcore.com/> > > > > ------------------------------------------------------------------------------ > Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT > is a gathering of tech-side developers & brand creativity > professionals. Meet > the minds behind Google Creative Lab, Visual Complexity, Processing, & > iPhoneDevCamp asthey present alongside digital heavyweights like > Barbarian > Group, R/GA, & Big Spaceship. http://www.creativitycat.com > <http://www.creativitycat.com/> > _______________________________________________ > User-mode-linux-user mailing list > User-mode-linux-user@lists.sourceforge.net > <mailto:User-mode-linux-user@lists.sourceforge.net> > https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user > > -- Antoine Nguyen Ingénieur R&D www.streamcore.com ------------------------------------------------------------------------------ Register Now for Creativity and Technology (CaT), June 3rd, NYC. CaT is a gathering of tech-side developers & brand creativity professionals. Meet the minds behind Google Creative Lab, Visual Complexity, Processing, & iPhoneDevCamp as they present alongside digital heavyweights like Barbarian Group, R/GA, & Big Spaceship. http://p.sf.net/sfu/creativitycat-com _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
