Your log says that your Sage installation is in /home/dillon/sage-8.1 I guess you might want to set it as SAGE_ROOT

On Monday, February 19, 2018 at 3:25:04 AM UTC, Dillon Ethier wrote: > > Hello, > > I recently built Sage on my laptop running Ubuntu 17.10 (x86 - 64 bit). It > worked perfectly, and successfully ran all of the basic tests (I never ran > the long tests). I tried to start it up today and it wouldn't work, because > it said it could not find the directory that I had set as SAGE_ROOT (I > don't remember exactly what it was set as, I think maybe /usr/bin/sage or > something like that), and indeed this directory no longer existed. I tried > to rebuild Sage in order to fix the issue, and it hasn't worked since > Every time I try to start Sage, it crashes immediately. I get this error > that seems to be coming from Pari somewhere but the error messages are > baffling to me. I've tried rebuilding multiple times and nothing helps. I > guess what I'm trying to say is that I KNOW that it's possible for Sage to > work on my machine, as I had already done it. I just can't figure out what > got broken or how to fix it. Any help would be much appreciated. > > Thanks, > > Dillon Ethier > > > -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.