Kbase 8271: unix 286/386 core dump floating point exception
| Autor |
Progress Software Corporation - Progress |
| Acesso |
Público |
| Publicação |
5/10/1998 |
|
unix 286/386 core dump floating point exception
891221-dah01unix 286/386 core dump floating point exception
According to release notes provided for AT&T Sys V/386 Rel 3.2, there
are evidently 2 floating point libraries available, /etc/emulator.dflt
and /etc/emulator.rel1. The former is the default and considered to
provide better performance. The release notes however indicate that
the .dflt one does not emulate all the instructions of the 80387
processor and if one of these instructions is needed the application
will core dump with a floating point exception.
If the problem should arise (or to avoid the problem... although
performance is evidently an issue) you can simply link the latter
libary, i.e. /etc/emulator.rel1 to /etc/emulator, and that will have
the effect of using the 'good' emulator libary.
Our thanks to Steffan Weiss for bringing this to our attention and
Venkit Ramon for researching the issue.
1/19/90 --- you will need to reboot the machine after doing the link
ln /etc/emulator.rel1 /etc/emulator
Progress Software Technical Support Note # 8271