Date: Sun, 11 Jan 1998 20:51:20 -0500 From: dmaddox@scsn.net (Donald J. Maddox) To: John Kelly <jak@cetlink.net> Cc: "John S. Dyson" <toor@dyson.iquest.net>, hackers@FreeBSD.ORG Subject: Re: 16650 Support(?) Message-ID: <19980111205120.42545@scsn.net> In-Reply-To: <34c0795e.7050337@mail.cetlink.net>; from John Kelly on Mon, Jan 12, 1998 at 02:07:04AM %2B0000 References: <199801120007.TAA00316@dyson.iquest.net> <34c0795e.7050337@mail.cetlink.net>
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On Mon, Jan 12, 1998 at 02:07:04AM +0000, John Kelly wrote: > On Sun, 11 Jan 1998 19:07:35 -0500 (EST), "John S. Dyson" > <toor@dyson.iquest.net> wrote: > > >> The 650 support seems to be broken, so don't flag it as a 650. Run it > >> as a 550 and it should work fine. You still get the benefit of the > >> deeper FIFO, even when it's defined as a 550. You don't get the auto > >> CTS/RTS flow control, but that has questionable value anyway. > >> > >I have a 16650 based card, and it appears to work well. It would be interesting > >to figure out why mine works, and others don't. > > > > Do you have it flagged as a 650 in your kernel, or as a 550? > > I emailed you about the SIO 650 support a couple of months ago but I > guess you were busy with other stuff. There seem to be some changes > in SIO for 650 support, attributed to you. If that is true, can you > describe the changes? > > When I tried to use the 650 support in -current a couple of months ago > I would always get interrupt-level buffer overflows. But as long as > it was defined as a 550 it worked (and still works) fine. Interesting that you mention that... Now that I have this thing actually working (finally), I see this just moments ago: Jan 11 20:25:40 rhiannon /kernel: sio2: 409 more tty-level buffer overflows (total 409) Jan 11 20:25:40 rhiannon /kernel: sio2: 409 more tty-level buffer overflows (total 409) It's still configured with flags=0x20000 for the moment. Guess I'll drop the flag and see what happens...
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