Date: Sun, 2 Sep 2001 15:48:06 -0400 From: "Matthew Emmerton" <matt@gsicomp.on.ca> To: "Daniel Zuck" <daniel@dan-up.de>, <net@freebsd.org>, <bugs@freebsd.org> Subject: Re: Possibly Bug Report with Kernel ep (3com 5xx ISA and others) driver Message-ID: <014501c133e8$2f83ca80$1200a8c0@gsicomp.on.ca> References: <69558AC19D6@dan-net.dan-up.de>
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> >> The machine has 2 interfaces (obviously ep0 and ep1), and > >> after about 24 hours uptime, ep1 was somehow broken: > >> > >> If trying to ping: sendto: no bufferspace available > >> > >> ifconfig ep1 down, ifconfig ep1 up was a work-around, but no > >> solution... > >> > >> Netstat showed nothing 'extraordinary' like high ammount of > >> collissions, late collisions, fragmentations, carrier losses > >> even the net work load was almost a little above nothing. > > >All of these are typical of media problems - bad cables or > >ports on your hub or switch. > I can exclude this: > - The statistics do not show any 'loss of carrier' (mentioned > above) > - On the same hub's, there are some highly available financial > applications and web-servers. If there would be that sort of > problem, I'd surely noticed. > - For some other reason, we changed the hub and cabeling, and > the problem still exists... Ack! My error - I didn't notice the "nothing". > >> I remember to have the same problem with another box running > 3.3 > >> generic (other hardware...) - so I am wondering if the driver > >> might be somehow broken. > > > >But if it was a driver problem, the problem would show up on > >both interfaces, right? > > Yes, and inbetween I can confirm: The problem occurs on both > interfaces; the chance that the problem occurs is slightly > higher on the interface with the higher network load. > > To sum up: As the very same problem occurs with pretty different > hardware, I really think there's something wrong with the > cooperation of the ep-driver and 3com 509 - maybe the driver, > maybe some design error on the network cards... > > So if sb says: 'No probs with ep driver and ne2000 cards', then > I think we have to ask 3com... ;) Aren't the 509s ISA-based? My thought would be just to replace them with a newer, more stable NIC. -- Matt Emmerton To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-bugs" in the body of the message
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