Kei Kebreau writes: > Alex Vong writes: > >> Hello all, >> >> When I start maxima, I get the following warning message: >> >> The SGC segfault recovery test failed with >> memprotect_bad_fault_address, SGC disabled >> The SGC segfault recovery test failed with >> memprotect_bad_fault_address, SGC disabled >> Maxima 5.41.0 http://maxima.sourceforge.net >> using Lisp GNU Common Lisp (GCL) GCL 2.6.12 >> Distributed under the GNU Public License. See the file COPYING. >> Dedicated to the memory of William Schelter. >> The function bug_report() provides bug reporting information. >> >> Actually I encountered this problem quite a while ago after an update, >> but I didn't report it since it was not fetal. > > When did you first notice this issue? > I am afraid I cannot remember exactly when... I installed wxmaxima long ago and things worked fine for a long time. One day, after updating wxmaxima, it showed the above warning and started to crash nondeterministically when I typed things into the message box. The crash was fixed quickly by another update, but the warning persisted. >> >> Does anyone knows what's going on? >> >> Cheers, >> Alex > > Hello Alex, > > This is my first time running into this issue. While I do get this > warning message using the Maxima substitute from hydra.gnu.org, when I > build Maxima 5.41.0 from source locally, this warning message does not > appear. Is this the case for you as well? > Same for me. I set --prefix during configure and install it somewhere. It starts without the warning. > The message comes from the source code of GNU Common Lisp, but the GCL > binary from hydra.gnu.org doesn't give this error when I run it. It > seems like this comes down a bug in GCL set off by Maxima, a bug in > Maxima, a reproducibility issue, or some combination of all of > these. I'll be investigating this further. > > Thank you, > Kei Thanks for looking at it!