On Jul 20 09:37, Magnus Holmgren wrote: > When running configure scripts, I sometimes see this error message repeated > several times, for different lines of the configure script: > > bin\sh.exe: *** fatal error - Internal error: TP_NUM_W_BUFS too small. > > I saw this when building libsdl 1.2.13 on Cygwin 1.7 (uname -v reports > 2009-07-13 10:28) on 64-bit Vista SP2. The configure script seem to have > succeeded anyway (the build completes and libsdl works). So, is it really > an error?
Yes, it is definitely a bug. AFAICS this occurs when a process forks too deeply (child forks, grandchild forks again, etc, without execing). The fork() setjmp/longjmp magic accidentally skipped the cleanup destructor which is supposed to free the temporary thread-local buffers. This doesn't matter if the child process execs, as usual, but it matters a lot as soon as the forked child forks further and further, so the thread-local buffers become a sparse resource. Thanks for the report. I'm surprised this hasn't been found earlier. I'll check in a patch. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
