From owner-freebsd-bugs  Wed Sep 15  6:10:37 1999
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Date: Wed, 15 Sep 1999 08:57:07 -0400 (EDT)
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Subject: kern/13757: tl0: adapter check: 180005 mesages keep coming up from kernel
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>Number:         13757
>Category:       kern
>Synopsis:       FreeBSD ns.softchoice.com 3.2-RELEASE FreeBSD 3.2-RELEASE #2: Fri Sep 10 10:54:01 EDT 1999     root@ns.softchoice.com:/usr/src/sys/compile/CPQBSD  i386
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Sep 15 06:10:01 PDT 1999
>Closed-Date:
>Last-Modified:
>Originator:     Andrew Burkovsky
>Release:        FreeBSD 3.2-RELEASE i386
>Organization:
SoftCHoice Corp.
>Environment:

	FreeBSD 3.2-RELEASE on Compaq 850R
	NIC Card tl0: Compaq NetFlex-3/P Integrated rev 0x10 int a irq 7
		on pci0.16.0
	NIC Card xl0: 3Com 3c905-TX Fast Etherlink XL rev 0x00 int a irq 3
		on pci0.11.0
	NIC Card xl1: 3Com 3c905-TX Fast Etherlink XL rev 0x00 int a irq 11
		on pci0.12.0
	The server works as IP router/packet filter.

>Description:

	Here is a piece of /var/log/messages:

Sep 13 14:03:26 fw /kernel: tl0: adapter check: 180005
Sep 13 14:06:42 fw /kernel: tl0: adapter check: 180005
Sep 13 14:07:37 fw /kernel: tl0: adapter check: 180005
Sep 13 14:08:19 fw /kernel: xl1: transmission error: 90
Sep 13 14:08:19 fw /kernel: xl1: tx underrun, increasing tx start threshold to 1 20 bytes
Sep 13 14:37:49 fw /kernel: tl0: adapter check: 180005
Sep 13 14:39:20 fw /kernel: tl0: adapter check: 180005
Sep 13 14:40:22 fw /kernel: tl0: adapter check: 180005

	I could not find any reference (web/news-groups) to
	"adapter check: " message. The server rebooted itself a few times.
	I seem to be able to get rid of underruns by increasing
	XL_MIN_FRAMELEN from 60 to 300 in /usr/src/sys/pci/if_xlreg.h
	Reboots did not happen since than, but "adapter check: " messages
	persist.

	Here are versions of driver source files:
# grep Id if_[tx]l*
if_tl.c: *      $Id: if_tl.c,v 1.24.2.5 1999/05/06 15:39:38 wpaul Exp $
if_tlreg.h: *   $Id: if_tlreg.h,v 1.7.2.2 1999/03/31 04:12:29 wpaul Exp $
if_xl.c: *      $Id: if_xl.c,v 1.22.2.12 1999/05/05 17:10:48 wpaul Exp $
if_xlreg.h: *   $Id: if_xlreg.h,v 1.9.2.6 1999/05/05 17:10:49 wpaul Exp $
	
>How-To-Repeat:

	My guess is that peaks of network traffic cause the problem to show,
	but I do not really know.

>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:


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