brl-vgr Bug Report
ron at BRL.ARPA
ron at BRL.ARPA
Tue Oct 14 09:03:55 AEST 1986
Subject: Warning to those who would change proc.h
Index: sys/h/proc.h 4.3BSD
Description:
Changing the length of the proc structure so that it is not
double word aligned anymore will cause the system to crash
in bizarre ways.
Repeat-By:
Add a word to the proc structure and then put a load on the
system. Soon things like ps will stop working and then the
whole machine will experience a strange trap.
Fix:
1. Don't change the proc structure.
2. If you do, pad it out to the next double word.
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