From lanl!hc!lll-winken!uunet!ibmpa!bullhead!brunner Mon Jul 24 15:16:52 EDT 1989
Article 964 of comp.sys.ibm.pc.rt:
Path: cmcl2!lanl!hc!lll-winken!uunet!ibmpa!bullhead!brunner
>From: brunner@bullhead.uucp
Newsgroups: comp.sys.ibm.pc.rt
Subject: Patch for /sys/subr_rmap.c IBM/4.3
Summary: Fixes demand-related panic
Keywords: V1.5 resource map panic
Message-ID: <1497@ibmpa.UUCP>
Date: 21 Jul 89 18:28:06 GMT
References: <1494@ibmpa.UUCP>
Sender: news@ibmpa.UUCP
Reply-To: brunner@ibmsupt.UUCP ()
Organization: IBM AWD Palo Alto
Lines: 27

Subject: rminit()
Index: /sys/subr_rmap.c IBM/4.3

Description:
	There's an initialization problem with AOS 4.3BSD systems involving
	virtual memory resource map initialization which causes the system
	to panic under heavy load.
Fix:
	Apply the attached patch.


*** subr_rmap.c	Thu Jun  8 15:27:42 1989
--- subr_rmap.c.new	Wed May 31 11:13:04 1989
***************
*** 84,89 ****
--- 84,91 ----
  	 */
  	ep->m_size = size;
  	ep->m_addr = addr;
+ 	(++ep)->m_size = 0;
+ 	ep->m_addr = 0;
  }
  
  /*

Eric Brunner
uunet!ibmsupt!brunner


