-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I seem to remember there being a config option to specify rewriting the hostname as well. I thought it was part of X11Parameters, but I only see one option there:
https://slurm.schedmd.com/archive/slurm-19.05-latest/slurm.conf.html On 2/25/20 10:55 AM, Tina Friedrich wrote: > I remember having issues when I set up X forwarding that had to do > with how the host names were set on the nodes. I had them set > (CentOS default) to the fully qualified hostname, and that didn't > work - with an error message very similar to what you're getting, > if memory serves right. 'Fixed' it by setting the hostnames on all > my cluster nodes to the short version. > > What does 'xauth list' give you on your nodes (and the machine > you're coming from)? > > This is/was SLURM 18.08 though, not sure if that makes a > difference. > > Tina > > On 25/02/2020 04:55, Pär Lundö wrote: >> Hi, >> >> Thank you for your reply Patrick. I´ve tried that but I still get >> the error stating that the magic cookie could not be retrieved. >> Reading Tim´s answer, this bug should have been fixed in a >> release following 18.08, but I´m using 19.05 thus it should have >> been taken care of? >> >> Best regards, Pär Lundö >> >> -----Original Message----- From: slurm-users >> <slurm-users-boun...@lists.schedmd.com> On Behalf Of Patrick >> Goetz Sent: den 24 februari 2020 21:38 To: >> slurm-users@lists.schedmd.com Subject: Re: [slurm-users] Slurm >> 19.05 X11-forwarding >> >> 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> >>> >>> >> - -- ____ || \\UTGERS, |----------------------*O*------------------------ ||_// the State | Ryan Novosielski - novos...@rutgers.edu || \\ University | Sr. Technologist - 973/972.0922 ~*~ RBHS Campus || \\ of NJ | Office of Advanced Res. Comp. - MSB C630, Newark `' -----BEGIN PGP SIGNATURE----- iF0EARECAB0WIQST3OUUqPn4dxGCSm6Zv6Bp0RyxvgUCXlWCNgAKCRCZv6Bp0Ryx vjTSAJ9S7WA/rYjw5ylOljq9IpPqwTsHKACfbn/nnGJvE+QHvJoJ2djkkCQjMok= =Ju41 -----END PGP SIGNATURE-----