Date: Sat, 22 Jun 1996 13:14:14 +0200 (MET DST) From: grog@lemis.de (Greg Lehey) To: mbarkah@hemi.com (Ade Barkah) Cc: hackers@FreeBSD.ORG (FreeBSD Hackers) Subject: Re: IP question: who should return ENOBUFS? (was: Help: le0 gets stuck at OACTIVE) Message-ID: <199606221114.NAA14663@allegro.lemis.de> In-Reply-To: <199606210903.DAA27179@hemi.com> from "Ade Barkah" at Jun 21, 96 03:03:56 am
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Ade Barkah writes: > > Hello, > > One of our machines has a DEC204-AB (ethernet, 10-BaseT) on it, > running FreeBSD 2.1-RELEASE. However, eventually the interface > gets stuck in OACTIVE; I can force this condition by doing a > ping -f on the interface. The machine has another interface > (SMC Ultra C)... I can ping -f on that one all day long without > problems. Sometimes doing a 'ifconfig le0 down' followed by an > 'ifconfig le0 up' fixes the problem momentarily. > > Some more background. Here's what dmesg says: > >| le0 at 0x300-0x31f irq 5 maddr 0xd0000 msize 2048 on isa >| le0: DE204-AB ethernet address 08:00:2b:93:3b:e7 > > Here's ifconfig when it dies: > >| le0: flags=8c63<UP,BROADCAST,NOTRAILERS,RUNNING,OACTIVE,SIMPLEX, >| MULTICAST> mtu 1500 >| inet 204.133.181.5 netmask 0xfffffffc broadcast 204.133.181.7 > > Notice the netmask, there are only two hosts on this subnet. They > are connected by a Cat 5 UTP crossover patch cable, 10' in length. > The "remote" machine runs a pair of SMC EtherEZs. > > Ping reports: > >| .ping: sendto: No buffer space available I see from a followup that you probably have the board misconfigured. The "bug fix" for queue overflows in ip_output will ensure, however, that once you get to this point, you won't be able to recover without taking the interface down and up again. Greg
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