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Date:      Mon, 16 Apr 2001 13:21:08 +0200 (CEST)
From:      dirk.meyer@dinoex.sub.org
To:        FreeBSD-gnats-submit@freebsd.org
Subject:   kern/26613: ethernet vr0 hangs
Message-ID:  <200104161121.f3GBL8P10309@net2.dinoex.sub.org>

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>Number:         26613
>Category:       kern
>Synopsis:       ethernet vr0 hangs
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Apr 16 04:30:00 PDT 2001
>Closed-Date:
>Last-Modified:
>Originator:     Dirk Meyer
>Release:        FreeBSD 4.3-RC
>Organization:
privat
>Environment:

	FreeBSD 4.3-RC #8: Sun Apr 15 01:16:51 CEST 2001 (GENERIC)

	vr0: <VIA VT6102 Rhine II 10/100BaseTX> port 0x6800-0x68ff mem 0xe4000000-0xe40000ff \
		irq 10 at device 10.0 on pci0
	vr0: Ethernet address: 00:50:ba:65:c2:13
	miibus0: <MII bus> on vr0
	ukphy0: <Generic IEEE 802.3u media interface> on miibus0
	ukphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto

	vr0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        inet 217.X.XXX.XXX netmask 0xffffff00 broadcast 217.X.XXX.XXX
        inet6 fe80::250:baff:fe65:c213%vr0 prefixlen 64 scopeid 0x1 
        inet 62.XXX.XX.XXX netmask 0xffffffc0 broadcast 62.XXX.XX.XXX
        inet 217.X.XXX.XXX netmask 0xffffffc0 broadcast 217.X.XXX.XXX
        ether 00:50:ba:65:c2:13 
        media: autoselect (10baseT/UTP) status: active
        supported media: autoselect 100baseTX <full-duplex> 100baseTX 10baseT/UTP <full-duplex> 10baseT/UTP none


>Description:

	Network seems unstable, NSF hangs, interactive Login lags sometimes.

>How-To-Repeat:

	NFS exported volumume (server on this machine)
	Client hangs when copy to much data.
	A ping from the server to the client shows stray packages!

[...]
64 bytes from 217.6.200.196: icmp_seq=17604 ttl=255 time=4.292 ms
64 bytes from 217.6.200.196: icmp_seq=17605 ttl=255 time=30.590 ms
64 bytes from 217.6.200.196: icmp_seq=17607 ttl=255 time=0.523 ms
64 bytes from 217.6.200.196: icmp_seq=17608 ttl=255 time=0.513 ms
64 bytes from 217.6.200.196: icmp_seq=17609 ttl=255 time=18.057 ms
64 bytes from 217.6.200.196: icmp_seq=17610 ttl=255 time=0.538 ms
64 bytes from 217.6.200.196: icmp_seq=17606 ttl=255 time=4518.681 ms
64 bytes from 217.6.200.196: icmp_seq=17611 ttl=255 time=0.523 ms
64 bytes from 217.6.200.196: icmp_seq=17611 ttl=255 time=0.523 ms
64 bytes from 217.6.200.196: icmp_seq=17612 ttl=255 time=22.136 ms
64 bytes from 217.6.200.196: icmp_seq=17613 ttl=255 time=27.047 ms
64 bytes from 217.6.200.196: icmp_seq=17614 ttl=255 time=0.507 ms
64 bytes from 217.6.200.196: icmp_seq=17615 ttl=255 time=0.528 ms
64 bytes from 217.6.200.196: icmp_seq=17616 ttl=255 time=11.841 ms
64 bytes from 217.6.200.196: icmp_seq=17617 ttl=255 time=17.809 ms
64 bytes from 217.6.200.196: icmp_seq=17618 ttl=255 time=7.396 ms
64 bytes from 217.6.200.196: icmp_seq=17619 ttl=255 time=23.490 ms
64 bytes from 217.6.200.196: icmp_seq=17620 ttl=255 time=0.724 ms
64 bytes from 217.6.200.196: icmp_seq=17621 ttl=255 time=14.023 ms
error: No Buffer Space

	to reactivate the Line:
	$ ifconfig vr0 down
	$ ifconfig vr0 up

	After the copy is done, teh ping keeps "dancing"

[...]
64 bytes from 217.6.200.196: icmp_seq=100 ttl=255 time=0.524 ms
64 bytes from 217.6.200.196: icmp_seq=62 ttl=255 time=38901.325 ms
64 bytes from 217.6.200.196: icmp_seq=101 ttl=255 time=0.494 ms
[...]
64 bytes from 217.6.200.196: icmp_seq=200 ttl=255 time=0.504 ms
64 bytes from 217.6.200.196: icmp_seq=163 ttl=255 time=38231.139 ms
64 bytes from 217.6.200.196: icmp_seq=201 ttl=255 time=0.445 ms
[...]
64 bytes from 217.6.200.196: icmp_seq=536 ttl=255 time=0.570 ms
64 bytes from 217.6.200.196: icmp_seq=423 ttl=255 time=114132.380 ms
64 bytes from 217.6.200.196: icmp_seq=538 ttl=255 time=0.536 ms
[...]
64 bytes from 217.6.200.196: icmp_seq=631 ttl=255 time=0.510 ms
64 bytes from 217.6.200.196: icmp_seq=537 ttl=255 time=95722.164 ms
64 bytes from 217.6.200.196: icmp_seq=632 ttl=255 time=0.518 ms
[...]
64 bytes from 217.6.200.196: icmp_seq=940 ttl=255 time=0.543 ms
64 bytes from 217.6.200.196: icmp_seq=813 ttl=255 time=128272.599 ms
64 bytes from 217.6.200.196: icmp_seq=942 ttl=255 time=0.531 ms
[...]
64 bytes from 217.6.200.196: icmp_seq=1068 ttl=255 time=0.538 ms
64 bytes from 217.6.200.196: icmp_seq=941 ttl=255 time=128272.534 ms
64 bytes from 217.6.200.196: icmp_seq=1070 ttl=255 time=0.516 ms
[...]
64 bytes from 217.6.200.196: icmp_seq=1176 ttl=255 time=0.475 ms
64 bytes from 217.6.200.196: icmp_seq=1069 ttl=255 time=108969.408 ms
64 bytes from 217.6.200.196: icmp_seq=1177 ttl=255 time=0.529 ms
[...]
64 bytes from 217.6.200.196: icmp_seq=1228 ttl=255 time=0.489 ms
64 bytes from 217.6.200.196: icmp_seq=1199 ttl=255 time=29461.110 ms
64 bytes from 217.6.200.196: icmp_seq=1229 ttl=255 time=0.480 ms
[...]
64 bytes from 217.6.200.196: icmp_seq=1275 ttl=255 time=0.556 ms
64 bytes from 217.6.200.196: icmp_seq=1257 ttl=255 time=18230.945 ms
64 bytes from 217.6.200.196: icmp_seq=1276 ttl=255 time=0.529 ms

	$ netstat -m
124/320/4096 mbufs in use (current/peak/max):
        123 mbufs allocated to data
        1 mbufs allocated to packet headers
121/164/1024 mbuf clusters in use (current/peak/max)
408 Kbytes allocated to network (13% of mb_map in use)


>Fix:
	
	Downgrade to FreeBSD 4.2-STABLE #4: Sun Feb 18 10:48:45 CET 2001

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

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