Date: Tue, 10 Mar 1998 10:02:58 -0800 (PST) From: Doug White <dwhite@gdi.uoregon.edu> To: Jos Backus <J.G.E.Backus@urc.tue.nl> Cc: hackers@FreeBSD.ORG Subject: Re: de driver && DS 21143 works on -stable but not -current!? Message-ID: <Pine.BSF.3.96.980310100100.14397E-100000@gdi.uoregon.edu> In-Reply-To: <19980310150018.A21606@asterix.urc.tue.nl>
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On Tue, 10 Mar 1998, Jos Backus wrote:
> >> I just downloaded and installed the latest committed NetBSD de driver, but
> >> it still does't work with this Ethernet controller in 10Mbit/UTP mode. The
> >> version in -stable, however, does.
> >
> > Odd. Can you isolate the problematic code?
>
> I've looked at the diffs between -stable and -current, and it appears that the
> -current version has a great deal of what seem to be additions for busmaster
> DMA support for OSes other than FreeBSD (``TULIP_BUS_DMA'' isn't define'd). I
> tried turning this on together with the *_NO[RT]X define's (without those two
> I get tons of errors because of some missing typedef's) and while this builds
> a kernel, it doesn't make any difference. I tried turning on DIAGNOSTIC as
> well as TULIP_{VERBOSE,DEBUG} in the kernel config but that doesn't show
> anything interesting either.
>
> The only thing that strikes me as odd is the OACTIVE flag being on all the
> time. I can't remember seeing it while running 2.2.2 (before cvsupping
> -current). No directly visible related changes AFAICS, though.
I'm not sure the NetBSD driver is directly importable into our kernel
framework. I know that sometimes it needs a little massaging when they
bring it into our tree, but...
> > > Then again, as quite a few things have changed between -stable and
> > > -current in the surrounding environment (the -stable driver gives a bunch
> > > of errors), the problem may not be in the driver per se :-/
> >
> > Quite true. You may want to work with hackers@freebsd.org on this one.
>
> I'm cc'ing hackers, maybe some of the nice && smart folks can point me in the
> right direction!
Hopefully; I try to keep clear of kernel hacking whenever possible and
leave it to the experienced pointy hat collectors^W^W^Wprogrammers :)
Doug White | University of Oregon
Internet: dwhite@resnet.uoregon.edu | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite | Computer Science Major
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