[slurm-users] Slurm 19.05 X11-forwarding

[Patrick Goetz]

This bug report appears to address the issue you're seeing:

   https://bugs.schedmd.com/show_bug.cgi?id=5868



On 2/24/20 4:46 AM, Pär Lundö wrote:
> 
> Dear all,
> 
> I started testing and evaluating Slurm roughly a year ago and used it 
> succesfully with MPI-programs.
> I have now identified that I need to use X-forwarding in order to make 
> use of an application needed to run a GUI.
> However I seem not to be able to use the ”X11Forwarding” in Slurm.conf 
> with any sucess.
> A simple test with srun as ”srun - -x11 <script-to-start>”, yields an 
> error stating:
> ”srun: error: x11_get_xauth: Could not retrieve magic cookie. Cannot use 
> X11 forwarding.”
> I’m guessing that there some additional setting I’m missing out on.
> Searching through documentation does not reveal anything  extraordinary 
> to be performed with the X11-forwarding. I have searched bug-reports and 
> found similiar problems but fixes have been implemented in 
> Slurm-versions prior to the one I am using. In addition users have been 
> reporting that the implementation made by Slurm, now have fixed their 
> issues.
> I have used the ”export=DISPLAY, HOME” as an additional argument for 
> srun but without any progress.
> Anyone with similiar problem who can aid or advice me on howto use the 
> X11Forward feature?
> Any help is much appreciated.
> 
> I am running Slurm 19.05 and Ubuntu 18.10.
> 
> Best regards,
> Pär Lundö
> 
> This message is from an external sender. Learn more about why this 
> matters. <https://ut.service-now.com/sp?id=kb_article&number=KB0011401>
> 
>