cc core dumping
Jeff Russ
russ at silver.ucs.indiana.edu
Fri Oct 19 05:40:59 AEST 1990
Our 5840 running Ultrix 4.0 also dumps core occassionaly. If I keep
repeating the cc command it will eventually compile okay. It looks like
the logic for certain instructions in the machine needs to be warmed up for
a compile to succeed. (My old PDP8s at home sometimes have the same problem).
We currently see two different types of errors when it aborts:
% cc -O frac.c
Fatal error in: /usr/lib/cmplrs/cc/uopt Segmentation fault - core dumped
% cc -O frac.c
pid 11309 (uopt2.1) was killed on unaligned access, at pc 0x1a
Fatal error in: /usr/lib/cmplrs/cc/uopt Bus error - core dumped
The last one occurrs less frequently. The code compiles without any problems
on a 5200 running Ultrix 4.0.
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