[SunRescue] Proper use of VME scsi controllers?????

BSD Bob bobkey at weedcon1.cropsci.ncsu.edu
Wed Feb 9 08:21:23 CST 2000


> The only problems I've ever heard about anyone having with the sun3
> controller are under older versions of NetBSD where DMA either didn't
> work, or wasn't reliable.

It still bites the bullet.  I sense it has lost touch with the VME
controllers in favor of the esp onboard things.  I just wish I could
find a stable enough NetBSD to run on any of my vme crates, so I could
try wacking a little of the driver code.  The old VME crates are still
great fun, but getting a bit long-in-the-tooth on sunos.

.....

> There's a half-complete sc driver for NetBSD.  It should be relatively
> easy for anyone familiar with disk drivers under BSD to complete it.
> It'll be a bit harder to get it to do DMA, if indeed that's even
> possible with that card, but for tape drives the polling mode should be
> just fine.

Can you email me that or point me to it?

Bob







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