Date: Wed, 2 Jun 1999 08:06:50 +0100 (BST) From: Doug Rabson <dfr@nlsystems.com> To: Terry Lambert <tlambert@primenet.com> Cc: armin@openBSD.de, alpha@FreeBSD.ORG Subject: Re: sio overflows Message-ID: <Pine.BSF.4.05.9906020805100.411-100000@herring.nlsystems.com> In-Reply-To: <199906020018.RAA04947@usr09.primenet.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, 2 Jun 1999, Terry Lambert wrote: > > > i have set up my alpha to dial an ISP with pppd. > > > When dialing out via cuaa0 or ttyd0 i get massive sio overflows. > > > I configure the serial port with the /etc/rc.serial script as a modem > > > port with 57600 baud. > > > > > > This happens even at a 9600 baud connection when receiving or sending > > > files via ftp. top reports a totally idle system while the sio overflows > > > occur. The kernel reports cuaa0 to be a 16550 UART which is true. > > > > > > OS is 0524 snapshot, > > > Hardware: PC164, 500mHz, 128mb ram, ncr53C810, S3 vga > > > > > > Any suggestions ? > > > > This is a known problem but I don't have a solution as yet. > > There was a patch (before the bus stuff went in), posted to the > alpha list a while back, that added FASTINTR support for the > Alpha. The SILO overflows are a result of that support not > having been integrated. Are you absolutely sure about this? I have been following this list pretty carefully over the last year and I don't recall anything of this nature. > > It's my understanding that since the bus stuff went into the Alpha > before it went into the x86, the patch may still be good. The Alpha used the new bus stuff for ISA (and everything else) from day one. > > No, I do not have a copy of the patch that I can send you; check the > -alpha list archives. I can't see anything. Can you remember the subject line? -- Doug Rabson Mail: dfr@nlsystems.com Nonlinear Systems Ltd. Phone: +44 181 442 9037 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.4.05.9906020805100.411-100000>