On Sun, Mar 10, 2019 at 7:12 AM rajat.mittal.mat15 via sage-devel
<sage-devel@googlegroups.com> wrote:
>
> I have succesfully installed sage from git on my ubuntu 16.04 OS.
> When I made some changes to a file and wanted to build the documetnation I 
> tried :
> command given in the documentation which threw some errors

the first thing is to make your changes available, otherwise we'd need
to guess what are the changes you actually
made that caused this error.
(e.g. push your changes to github and post here a link to the branch
in question, or
attach a diff here...)

> Then I tried
> make doc-clean
> make doc
>
> It seems to build two folders in sage/local/share/doc/sage
> namely doctrees and inventory
> but it gets stuck and doesn't move forward after that
>
> [dochtml] Build finished. The built documents can be found in 
> /home/rajat/sage/local/share/doc/sage/inventory/en/reference/structure
> [dochtml] [valuation] loading pickled environment... not yet created
> [dochtml] [valuation] building [inventory]: targets for 14 source files that 
> are out of date
> [dochtml] [valuation] updating environment: 14 added, 0 changed, 0 removed
> [dochtml] [valuation] The inventory files are in 
> local/share/doc/sage/inventory/en/reference/valuations.
> [dochtml] Build finished. The built documents can be found in 
> /home/rajat/sage/local/share/doc/sage/inventory/en/reference/valuations
>
>
>
> in between I do get following:
> [dochtml] Cython backtrace
> [dochtml] ----------------
> [dochtml]
> [dochtml] 29    ../sysdeps/unix/sysv/linux/waitpid.c: No such file or 
> directory.
> [dochtml] Traceback (most recent call last):
> [dochtml]   File "<string>", line 56, in <module>
> [dochtml]   File 
> "/usr/lib/python3/dist-packages/Cython/Debugger/libcython.py", line 689, in 
> invoke
> [dochtml]     for arg in string_to_argv(args):
> [dochtml] TypeError: argument 1 must be str, not bytes
> [dochtml] Saved trace to /home/rajat/.sage/crash_logs/crash_kzbB4q.log
> [dochtml] 
> ------------------------------------------------------------------------
> [dochtml] Unhandled SIGSEGV: A segmentation fault occurred.
> [dochtml] This probably occurred because a *compiled* module has a bug
> [dochtml] in it and is not properly wrapped with sig_on(), sig_off().
> [dochtml] Python will now terminate.
> [dochtml] 
> ------------------------------------------------------------------------
>
>
> following is the crash log report I got attached:
>
> Can somebody please tell what should I do?
>
>
>
> Thanks
> Rajat
>
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