doug@linux:~> ll ~/.wine/dosdevices
total 0
lrwxrwxrwx 1 doug users 13 2006-03-07 22:18 a: -> /media/floppy
lrwxrwxrwx 1 doug users 8 2006-03-07 22:18 a:: -> /dev/fd0
lrwxrwxrwx 1 doug users 10 2006-03-07 22:18 c: -> ../drive_c
lrwxrwxrwx 1 doug users 10 2006-03-07 22:18 com1 -> /dev/ttyS0
lrwxrwxrwx 1 doug users 10 2006-03-07 22:18 com2 -> /dev/ttyS1
lrwxrwxrwx 1 doug users 10 2006-03-07 22:18 com3 -> /dev/ttyS2
lrwxrwxrwx 1 doug users 10 2006-03-07 22:18 com4 -> /dev/ttyS3
lrwxrwxrwx 1 doug users 10 2006-03-07 22:18 d: -> /media/dvd
lrwxrwxrwx 1 doug users 8 2006-03-07 22:18 d:: -> /dev/dvd
lrwxrwxrwx 1 doug users 8 2006-03-07 22:18 lpt1 -> /dev/lp0
lrwxrwxrwx 1 doug users 4 2006-03-07 22:18 x: -> /tmp
lrwxrwxrwx 1 doug users 10 2006-03-07 22:18 y: -> /home/doug
lrwxrwxrwx 1 doug users 1 2006-03-07 22:18 z: -> /
doug@linux:~>



**TAKE NOTE>>>>>> ALL the /dev/ttyS0 lines were highlighted in BLACK. Along with /dev/fdo, /dev/dvd, and /dev/lpo. The rest were blue.

Anyone who gets my serial port to be accessible to my program through WINE, w/o screwing up my modem, I'll send $15.00 through PAYPAL as a thank you for getting this problem squared away. I need to be able to use my serial port for my modem or uploading data. I don't want to see,"Cannot access serial port:Permission Denied" . I need to know how to set the permission!I'm going away soon and NEED THIS CAPABILITY!! I certainly appreciate all help which I already received.

Keyed in "ls -l /dev/ttyS0" to see the permissions. My permissions were crw-rw----. I then used the following command in root "chmod 666 /dev/ttyS0". The permissions now read crw-rw-rw-. I now can use my modem OR my other application through my serial port. Amazing how a simple command can make such a HUGE difference.

Yeah - except that the /dev files are permitted like that for a reason! Which is why I was suggesting the symlink route. Don't be so impatient: I had to go to bed

All you had to do was change the com1 link from /dev/ttyS0 to /dev/modem.

Of course, there was always using software that didn't need wine in the first place.

... the yellow on a black background means it is a block special device. do ls /dev to compare.

Actually, I think the proper thing to do here is to add the uucp group to your username. In your listing above the device /dev/ttySO has read/write access by the uucp group. Adding the group to your username should give you access.

To add the group to your username:
Yast > Security and Users > Edit and Create Users > Select your username > Edit > Details > Check the uucp group.

Then set the device permissions back the way they were.

I checked off uucp on the list then accept/finish. Thats all I did.... From now on I should not have to type "chmod 666 /dev/ttyS0" in order to use my serial port for uploading. Right?

Right, theoretically (disclaimer), give it a test.


A bit of History (from my fading memory): uucp is an old unix system/protocol to transfer data between computers using dialup modems before the days of flat rate data networks and the Internet. uucp stands for Unix to Unix Copy. Back when day time long-distance phone calls were expensive and night time calls were much cheaper, uucp would batch transfer jobs, wait until night, dialup computers, and transfer data to save money on phone calls.

I know this doesn't help your problem, but I thought it might be interesting.... or not!