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Subject: Re: 2.2.5 problems with fxp0?
In-Reply-To: <199712151727.MAA00765@dyson.iquest.net> from "John S. Dyson" at "Dec 15, 97 12:27:49 pm"
To: dyson@FreeBSD.ORG
Date: Mon, 15 Dec 1997 15:43:55 -0500 (EST)
Cc: henrich@crh.cl.msu.edu, freebsd-questions@FreeBSD.ORG
From: "John S. Dyson" <dyson@FreeBSD.ORG>
Reply-To: dyson@FreeBSD.ORG
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John S. Dyson said:
> Charles Henrich said:
> > I keep getting random system reboots on my heavily utilized news server with
> > an Intel Etherexpress 10/100B inside.  I cant trace the error to any
> > particular item, nor do I see any weird log entries :(  I didnt have any
> > problems with an older de0 card in the system.. Anyone else experience similar
> > problems?
> > 
> *please* anyone running with 2.2.5 who is experiencing wierd problems, try
> the vm_page.c from -stable.
> 
Anyone with any problems on 2.2.5 should probably apply the patch below
(it might be backwards -- otherwise it is correct.)


Index: sys/vm/vm_page.c
===================================================================
RCS file: /local/home/ncvs/src/sys/vm/vm_page.c,v
retrieving revision 1.69.2.3
retrieving revision 1.69.2.5
diff -C4 -r1.69.2.3 -r1.69.2.5
*** vm_page.c	1997/03/25 04:54:35	1.69.2.3
--- vm_page.c	1997/11/06 04:33:01	1.69.2.5
***************
*** 33,41 ****
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   *	from: @(#)vm_page.c	7.4 (Berkeley) 5/7/91
!  *	$Id: vm_page.c,v 1.69.2.3 1997/03/25 04:54:35 dyson Exp $
   */
  
  /*
   * Copyright (c) 1987, 1990 Carnegie-Mellon University.
--- 33,41 ----
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   *	from: @(#)vm_page.c	7.4 (Berkeley) 5/7/91
!  *	$Id: vm_page.c,v 1.69.2.5 1997/11/06 04:33:01 dyson Exp $
   */
  
  /*
   * Copyright (c) 1987, 1990 Carnegie-Mellon University.
***************
*** 576,584 ****
  		pq = &vm_page_queues[queue];
  		TAILQ_REMOVE(pq->pl, m, pageq);
  		--(*pq->cnt);
  		--(*pq->lcnt);
! 		if ((m->queue - m->pc) == PQ_CACHE) {
  			if ((cnt.v_cache_count + cnt.v_free_count) <
  				(cnt.v_free_reserved + cnt.v_cache_min))
  				pagedaemon_wakeup();
  		}
--- 576,584 ----
  		pq = &vm_page_queues[queue];
  		TAILQ_REMOVE(pq->pl, m, pageq);
  		--(*pq->cnt);
  		--(*pq->lcnt);
! 		if ((queue - m->pc) == PQ_CACHE) {
  			if ((cnt.v_cache_count + cnt.v_free_count) <
  				(cnt.v_free_reserved + cnt.v_cache_min))
  				pagedaemon_wakeup();
  		}
***************
*** 599,607 ****
  	int hindex;
  
  	for(j = 0; j < PQ_L1_SIZE; j++) {
  		for(i = (PQ_L2_SIZE/2) - (PQ_L1_SIZE - 1);
! 			i >= 0;
  			i -= PQ_L1_SIZE) {
  			hindex = (index + (i+j)) & PQ_L2_MASK;
  			m = TAILQ_FIRST(vm_page_queues[basequeue + hindex].pl);
  			if (m)
--- 599,607 ----
  	int hindex;
  
  	for(j = 0; j < PQ_L1_SIZE; j++) {
  		for(i = (PQ_L2_SIZE/2) - (PQ_L1_SIZE - 1);
! 			(i+j) >= 0;
  			i -= PQ_L1_SIZE) {
  			hindex = (index + (i+j)) & PQ_L2_MASK;
  			m = TAILQ_FIRST(vm_page_queues[basequeue + hindex].pl);
  			if (m)

-- 
John
dyson@freebsd.org
jdyson@nc.com