i386/105616: UART PCI device just silent...

[Marcel Moolenaar]

The following reply was made to PR i386/105616; it has been noted by GNATS.

From: Marcel Moolenaar <xcllnt at mac.com>
To: Helge Oldach <puc-uart at oldach.net>
Cc: FreeBSD-gnats-submit at FreeBSD.org
Subject: Re: i386/105616: UART PCI device just silent...
Date: Tue, 28 Nov 2006 09:47:37 -0800

 On Nov 28, 2006, at 8:21 AM, Helge Oldach wrote:
 
 > Hi Marcel,
 >
 >>> If it helps, I can place this card in a test machine over here for a
 >>> couple of days and plug some serial device to it, so that you can  
 >>> play
 >>> with it from remote. That may take a day or two to set up however.
 >>
 >> That would definitely help. If you have a cross-over cable then you
 >> can connect both UART interfaces with each other,
 >
 > Thats a good point. I tried this with the current machine - and it
 > works! I'm completely astonished.
 
 Hmmm, weird. Good to know though :-)
 
 > The only thing that may be botched is speed, or potentially also  
 > parity
 > or stop bits.
 
 It's definitely an odd failure mode. What happens if you wire one of the
 UART ports on the PCI card to one of the "legacy" on-board serial ports?
 Could you try both the PCI UARTs?
 
 -- 
 Marcel Moolenaar
 xcllnt at mac.com