Ronald G Minnich writes: > On Thu, 27 Sep 2001, Andrew Gallatin wrote: > > > At this level, you're basically screwed. A sofware checksum isn't > > even an option on other PCI users, like disk controllers. If you > > don't trust your PCI chipset, what do you do about things like that? > > > > I'm rather curious -- what was the problematic hardware combination? > > Can't say yet :-( > > But it is one of the fancy network interfaces that essentially runs an > RTOS on the NIC so it can "help you". Actually fancy $5000 network > interfaces are in general less reliable than your average garden-variety > $2 IDE chip. Partly because they have so much capability. > > So we don't worry a lot about lossage with IDE. But it's a big problem on > expensive, high end, high performance network interfaces.
But SCSI isn't immune either. We had some data corruption problems with early adaptec Ultra-2 scsi controllers too, before Justin fixed it by working around it in the driver. Basically, anything that uses a PCI chipset harder or in different ways than its designers expected can end up being a problem. Low volume hardware is somtimes worse, but not always... Drew To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
