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- From: rich@Rice.edu (& Murphey)
- Subject: Re: COM port conflict in XFree86
- In-Reply-To: galbrait@rintintin.Colorado.EDU's message of Mon, 21 Dec 1992 07:50:00 GMT
- Message-ID: <RICH.92Dec21095319@superego.Rice.edu>
- Sender: news@rice.edu (News)
- Reply-To: Rich@rice.edu
- Organization: Department of Electrical and Computer Engineering, Rice
- University
- References: <1992Dec21.075000.10043@ucsu.Colorado.EDU>
- Date: Mon, 21 Dec 1992 15:53:19 GMT
- Lines: 37
-
- >>>>> In article <1992Dec21.075000.10043@ucsu.Colorado.EDU>, galbrait@rintintin.Colorado.EDU (GALBRAITH JOHN) writes:
- John> Hey, does anybody know why my serial mouse (Microsoft type) does not
- John> work properly when I am using the modem? The mouse is in COM1 and the
- John> baud rate is selected by the server - I don't tell it what it should be
- John> in the Xconfig. The modem is in COM2 at 2400 baud.
-
- Yes, to fix this apply the patch to com.c in the file
- /usr/X386/lib/X11/etc/386bsd.patch in the XFree86 binary distribution.
-
- Or apply the identical patch, patch00045, in the patch kit.
-
- This fixes select() on the com ports.
-
- John> Normally, the mouse is fine. When I am on the modem, however,
- John> the server will only respond to the mouse after a keypress. So, you can
- John> adjust the mouse, hit a key to see it go, adjust the mouse some more, hit
- John> another key...
- John> To make matters more confusing, the mouse works fine when I am
- John> doing a zmodem download.
-
- Christoph Robitschko (chmr@fstgds01.tu-graz.ac.at) wrote:
-
- ttselect() calculates unit = minor(dev), and uses this as an index in
- com_tty. Because this index is different from that used in the com
- driver, select() on /dev/com1 looks at /dev/com2 and select() on
- /dev/com2 looks at an undefined entry in com_tty and returns always
- true.
-
- John> Is this something that XFree is doing, or the operating system?
- John> I am running 386BSD 0.1. If this is an operating system question, I will
- John> ask elsewhere...
-
- John> Thanks.
- John> John Galbraith
- John> galbrait@rintintin.colorado.edu
-
- Good luck, Rich
-