No immediate suggestions - I won't get a chance to test this until later as I don't normally run an x11 server on my box, and don't have another way to test it.
On Apr 28, 2011, at 8:38 AM, jody wrote: > Hi > > Unfortunately this does not solve my problem. > While i can do > ssh -Y squid_0 xterm > and this will open an xterm on m,y machiine (chefli), > i run into problems with the -xterm option of openmpi: > > jody@chefli ~/share/neander $ mpirun -np 4 -mca plm_rsh_agent "ssh > -Y" -host squid_0 --xterm 1 hostname > squid_0 > [squid_0:28046] [[35219,0],1]->[[35219,0],0] > mca_oob_tcp_msg_send_handler: writev failed: Bad file descriptor (9) > [sd = 8] > [squid_0:28046] [[35219,0],1] routed:binomial: Connection to > lifeline [[35219,0],0] lost > [squid_0:28046] [[35219,0],1]->[[35219,0],0] > mca_oob_tcp_msg_send_handler: writev failed: Bad file descriptor (9) > [sd = 8] > [squid_0:28046] [[35219,0],1] routed:binomial: Connection to > lifeline [[35219,0],0] lost > /usr/bin/xterm Xt error: Can't open display: localhost:11.0 > > By the way when i look at the DISPLAY variable in the xterm window > opened via squid_0, > i also have the display variable "localhost:11.0" > > Actually, the difference with using the "-mca plm_rsh_agent" is that > the lines wiht the warnings about "xauth" and "untrusted X" do not > appear: > > jody@chefli ~/share/neander $ mpirun -np 4 -host squid_0 -xterm 1 hostname > Warning: untrusted X11 forwarding setup failed: xauth key data not generated > Warning: No xauth data; using fake authentication data for X11 forwarding. > squid_0 > [squid_0:28337] [[34926,0],1]->[[34926,0],0] > mca_oob_tcp_msg_send_handler: writev failed: Bad file descriptor (9) > [sd = 8] > [squid_0:28337] [[34926,0],1] routed:binomial: Connection to > lifeline [[34926,0],0] lost > [squid_0:28337] [[34926,0],1]->[[34926,0],0] > mca_oob_tcp_msg_send_handler: writev failed: Bad file descriptor (9) > [sd = 8] > [squid_0:28337] [[34926,0],1] routed:binomial: Connection to > lifeline [[34926,0],0] lost > /usr/bin/xterm Xt error: Can't open display: localhost:11.0 > > > I have doubts that the "-Y" is passed correctly: > jody@triops ~/share/neander $ mpirun -np -mca plm_rsh_agent "ssh > -Y" -host squid_0 xterm > xterm Xt error: Can't open display: > xterm: DISPLAY is not set > xterm Xt error: Can't open display: > xterm: DISPLAY is not set > > > ---> as a matter of fact i noticed that the xterm option doesn't work locally: > mpirun -np 4 -xterm 1 /usr/bin/printenv > prints verything onto the console. > > Do you have any other suggestions i could try? > > Thank You > Jody > > On Thu, Apr 28, 2011 at 3:06 PM, Ralph Castain <r...@open-mpi.org> wrote: >> Should be able to just set >> >> -mca plm_rsh_agent "ssh -Y" >> >> on your cmd line, I believe >> >> On Apr 28, 2011, at 12:53 AM, jody wrote: >> >>> Hi Ralph >>> >>> Is there an easy way i could modify the OpenMPI code so that it would use >>> the -Y option for ssh when connecting to remote machines? >>> >>> Thank You >>> Jody >>> >>> On Thu, Apr 7, 2011 at 4:01 PM, jody <jody....@gmail.com> wrote: >>>> Hi Ralph >>>> thank you for your suggestions. After some fiddling, i found that after my >>>> last update (gentoo) my sshd_config had been overwritten >>>> (X11Forwarding was set to 'no'). >>>> >>>> After correcting that, i can now open remote terminals with 'ssh -Y' >>>> and with 'ssh -X' >>>> (but with '-X' is till get those xauth warnings) >>>> >>>> But the xterm option still doesn't work: >>>> jody@chefli ~/share/neander $ mpirun -np 4 -host squid_0 -xterm 1,2 >>>> printenv | grep WORLD_RANK >>>> Warning: untrusted X11 forwarding setup failed: xauth key data not >>>> generated >>>> Warning: No xauth data; using fake authentication data for X11 forwarding. >>>> /usr/bin/xterm Xt error: Can't open display: localhost:11.0 >>>> /usr/bin/xterm Xt error: Can't open display: localhost:11.0 >>>> OMPI_COMM_WORLD_RANK=0 >>>> [aim-squid_0:09856] [[54132,0],1]->[[54132,0],0] >>>> mca_oob_tcp_msg_send_handler: writev failed: Bad file descriptor (9) >>>> [sd = 8] >>>> [aim-squid_0:09856] [[54132,0],1] routed:binomial: Connection to >>>> lifeline [[54132,0],0] lost >>>> >>>> So it looks like the two processes from squid_0 can't open the display >>>> this way, >>>> but one of them writes the output to the console... >>>> Surprisingly, they are trying 'localhost:11.0' whereas when i use 'ssh -Y' >>>> the >>>> DISPLAY variable is set to 'localhost:10.0' >>>> >>>> So in what way would OMPI have to be adapted, so -xterm would work? >>>> >>>> Thank You >>>> Jody >>>> >>>> On Wed, Apr 6, 2011 at 8:32 PM, Ralph Castain <r...@open-mpi.org> wrote: >>>>> Here's a little more info - it's for Cygwin, but I don't see anything >>>>> Cygwin-specific in the answers: >>>>> http://x.cygwin.com/docs/faq/cygwin-x-faq.html#q-ssh-no-x11forwarding >>>>> >>>>> On Apr 6, 2011, at 12:30 PM, Ralph Castain wrote: >>>>> >>>>> Sorry Jody - I should have read your note more carefully to see that you >>>>> already tried -Y. :-( >>>>> Not sure what to suggest... >>>>> >>>>> On Apr 6, 2011, at 12:29 PM, Ralph Castain wrote: >>>>> >>>>> Like I said, I'm not expert. However, a quick "google" of revealed this >>>>> result: >>>>> >>>>> When trying to set up x11 forwarding over an ssh session to a remote >>>>> server >>>>> with the -X switch, I was getting an error like Warning: No xauth >>>>> data; using fake authentication data for X11 forwarding. >>>>> >>>>> When doing something like: >>>>> ssh -Xl root 10.1.1.9 to a remote server, the authentication worked, but I >>>>> got an error message like: >>>>> >>>>> >>>>> jason@badman ~/bin $ ssh -Xl root 10.1.1.9 >>>>> Warning: untrusted X11 forwarding setup failed: xauth key data not >>>>> generated >>>>> Warning: No xauth data; using fake authentication data for X11 forwarding. >>>>> Last login: Wed Apr 14 18:18:39 2010 from 10.1.1.5 >>>>> [root@RHEL ~]# >>>>> and any X programs I ran would not display on my local system.. >>>>> >>>>> Turns out the solution is to use the -Y switch instead. >>>>> >>>>> ssh -Yl root 10.1.1.9 >>>>> >>>>> and that worked fine. >>>>> >>>>> See if that works for you - if it does, we may have to modify OMPI to >>>>> accommodate. >>>>> >>>>> On Apr 6, 2011, at 9:19 AM, jody wrote: >>>>> >>>>> Hi Ralph >>>>> No, after the above error message mpirun has exited. >>>>> >>>>> But i also noticed that it is to ssh into squid_0 and open a xterm there: >>>>> >>>>> jody@chefli ~/share/neander $ ssh -Y squid_0 >>>>> Last login: Wed Apr 6 17:14:02 CEST 2011 from chefli.uzh.ch on pts/0 >>>>> jody@squid_0 ~ $ xterm >>>>> xterm Xt error: Can't open display: >>>>> xterm: DISPLAY is not set >>>>> jody@squid_0 ~ $ export DISPLAY=130.60.126.74:0.0 >>>>> jody@squid_0 ~ $ xterm >>>>> xterm Xt error: Can't open display: 130.60.126.74:0.0 >>>>> jody@squid_0 ~ $ export DISPLAY=chefli.uzh.ch:0.0 >>>>> jody@squid_0 ~ $ xterm >>>>> xterm Xt error: Can't open display: chefli.uzh.ch:0.0 >>>>> jody@squid_0 ~ $ exit >>>>> logout >>>>> >>>>> same thing with ssh -X, but here i get the same warning/error message >>>>> as with mpirun: >>>>> >>>>> jody@chefli ~/share/neander $ ssh -X squid_0 >>>>> Warning: untrusted X11 forwarding setup failed: xauth key data not >>>>> generated >>>>> Warning: No xauth data; using fake authentication data for X11 >>>>> forwarding. >>>>> Last login: Wed Apr 6 17:12:31 CEST 2011 from chefli.uzh.ch on ssh >>>>> >>>>> So perhaps the whole problem is linked to that xauth-thing. >>>>> Do you have a suggestion how this can be solved? >>>>> >>>>> Thank You >>>>> Jody >>>>> >>>>> On Wed, Apr 6, 2011 at 4:41 PM, Ralph Castain <r...@open-mpi.org> wrote: >>>>> >>>>> If I read your error messages correctly, it looks like mpirun is crashing >>>>> - >>>>> the daemon is complaining that it lost the socket connection back to >>>>> mpirun, >>>>> and hence will abort. >>>>> >>>>> Are you seeing mpirun still alive? >>>>> >>>>> >>>>> On Apr 5, 2011, at 4:46 AM, jody wrote: >>>>> >>>>> Hi >>>>> >>>>> On my workstation and the cluster i set up OpenMPI (v 1.4.2) so that >>>>> >>>>> it works in "text-mode": >>>>> >>>>> $ mpirun -np 4 -x DISPLAY -host squid_0 printenv | grep WORLD_RANK >>>>> >>>>> OMPI_COMM_WORLD_RANK=0 >>>>> >>>>> OMPI_COMM_WORLD_RANK=1 >>>>> >>>>> OMPI_COMM_WORLD_RANK=2 >>>>> >>>>> OMPI_COMM_WORLD_RANK=3 >>>>> >>>>> but when i use the -xterm option to mpirun, it doesn't work >>>>> >>>>> $ mpirun -np 4 -x DISPLAY -host squid_0 -xterm 1,2 printenv | grep >>>>> WORLD_RANK >>>>> >>>>> Warning: untrusted X11 forwarding setup failed: xauth key data not >>>>> generated >>>>> >>>>> Warning: No xauth data; using fake authentication data for X11 >>>>> forwarding. >>>>> >>>>> OMPI_COMM_WORLD_RANK=0 >>>>> >>>>> [squid_0:05266] [[55607,0],1]->[[55607,0],0] >>>>> >>>>> mca_oob_tcp_msg_send_handler: writev failed: Bad file descriptor (9) >>>>> >>>>> [sd = 8] >>>>> >>>>> [squid_0:05266] [[55607,0],1] routed:binomial: Connection to >>>>> >>>>> lifeline [[55607,0],0] lost >>>>> >>>>> /usr/bin/xterm Xt error: Can't open display: chefli.uzh.ch:0.0 >>>>> >>>>> /usr/bin/xterm Xt error: Can't open display: chefli.uzh.ch:0.0 >>>>> >>>>> (strange: somebody wrote his message to the console) >>>>> >>>>> No matter whether i set the DISPLAY variable to the full hostname of >>>>> >>>>> the workstation, >>>>> >>>>> to the IP-Adress of the workstation or simply to ":0.0", it doesn't work >>>>> >>>>> But i do have xauth data (as far as i know): >>>>> >>>>> On the remote (squid_0): >>>>> >>>>> jody@squid_0 ~ $ xauth list >>>>> >>>>> chefli/unix:10 MIT-MAGIC-COOKIE-1 5293e179bc7b2036d87cbcdf14891d0c >>>>> >>>>> chefli/unix:0 MIT-MAGIC-COOKIE-1 146c7f438fab79deb8a8a7df242b6f4b >>>>> >>>>> chefli.uzh.ch:0 MIT-MAGIC-COOKIE-1 146c7f438fab79deb8a8a7df242b6f4b >>>>> >>>>> on the workstation: >>>>> >>>>> $ xauth list >>>>> >>>>> chefli/unix:10 MIT-MAGIC-COOKIE-1 5293e179bc7b2036d87cbcdf14891d0c >>>>> >>>>> chefli/unix:0 MIT-MAGIC-COOKIE-1 146c7f438fab79deb8a8a7df242b6f4b >>>>> >>>>> localhost.localdomain/unix:0 MIT-MAGIC-COOKIE-1 >>>>> >>>>> 146c7f438fab79deb8a8a7df242b6f4b >>>>> >>>>> chefli.uzh.ch/unix:0 MIT-MAGIC-COOKIE-1 >>>>> 146c7f438fab79deb8a8a7df242b6f4b >>>>> >>>>> In sshd_config on the workstation i have 'X11Forwarding yes' >>>>> >>>>> I have also done >>>>> >>>>> xhost + squid_0 >>>>> >>>>> on the workstation. >>>>> >>>>> >>>>> How can i get the -xterm option running? >>>>> >>>>> Thank You >>>>> >>>>> Jody >>>>> >>>>> _______________________________________________ >>>>> >>>>> users mailing list >>>>> >>>>> us...@open-mpi.org >>>>> >>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>>>> >>>>> >>>>> _______________________________________________ >>>>> >>>>> users mailing list >>>>> >>>>> us...@open-mpi.org >>>>> >>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>>>> >>>>> >>>>> _______________________________________________ >>>>> users mailing list >>>>> us...@open-mpi.org >>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>>>> >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> users mailing list >>>>> us...@open-mpi.org >>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users >>>>> >>>> >>> >>> _______________________________________________ >>> users mailing list >>> us...@open-mpi.org >>> http://www.open-mpi.org/mailman/listinfo.cgi/users >> >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org >> http://www.open-mpi.org/mailman/listinfo.cgi/users >> > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
