Date: Sat, 19 Jan 2002 20:19:57 -0800 (PST) From: Juergen <pjah@hicom.net> To: freebsd-gnats-submit@FreeBSD.org Subject: misc/34073: 3com 3c980c runs "bursty" / freezes-unfreezes Message-ID: <200201200419.g0K4Jvr38586@freefall.freebsd.org>
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>Number: 34073
>Category: misc
>Synopsis: 3com 3c980c runs "bursty" / freezes-unfreezes
>Confidential: no
>Severity: serious
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sat Jan 19 20:20:01 PST 2002
>Closed-Date:
>Last-Modified:
>Originator: Juergen
>Release: 4.4-Stable
>Organization:
HICom.
>Environment:
FreeBSD nsa.hicom.net 4.4-RELEASE FreeBSD 4.4-RELEASE #0: Tue Sep 18 11:57:08 PD
T 2001 murray@builder.FreeBSD.org:/usr/src/sys/compile/GENERIC i386
>Description:
When running a telnet session from or into the machine, it looks like there is a very noticable delay between typing CR and other characters
and when these characters are displayed at the telnet session. It's as if there is a huge network delay (there is no traffic on the network).
When logged into the machine directly via a console, I can not detect any of these "stalls".
I have tried a different 3com 3c980c card and the second card had the same problem.
Here are relevant sections of my dmesg's and ifconfig:
Copyright (c) 1992-2001 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD 4.4-RELEASE #0: Tue Sep 18 11:57:08 PDT 2001
murray@builder.FreeBSD.org:/usr/src/sys/compile/GENERIC
Timecounter "i8254" frequency 1193182 Hz
CPU: AMD Athlon(tm) processor (1396.74-MHz 686-class CPU)
Origin = "AuthenticAMD" Id = 0x644 Stepping = 4
Features=0x183f9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PA
T,PSE36,MMX,FXSR>
AMD Features=0xc0440000<<b18>,AMIE,DSP,3DNow!>
real memory = 268369920 (262080K bytes)
avail memory = 256712704 (250696K bytes)
...snip...
xl0: <3Com 3c980C Fast Etherlink XL> port 0xd000-0xd07f mem 0xe8000000-0xe800007
f irq 12 at device 8.0 on pci0
xl0: Ethernet address: 00:04:75:86:c4:8a
miibus0: <MII bus> on xl0
xlphy0: <3c905C 10/100 internal PHY> on miibus0
xlphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
... snip ...
nsa# ifconfig xl0
xl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
inet 208.245.181.68 netmask 0xfffffff8 broadcast 208.245.181.71
inet6 fe80::204:75ff:fe86:c48a%xl0 prefixlen 64 scopeid 0x1
ether 00:04:75:86:c4:8a
media: Ethernet autoselect (10baseT/UTP)
status: active
>How-To-Repeat:
This problem is easily repeatable.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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