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Modem probe problems -- Newbie stuck
I have installed Hylafax 4.1beta1 successfully on Redhat 6.0 machines.
I am now trying to install HylaFax on a Redhat 6.1 machine. No extra
software has been installed onto the machine yet. I want to install HylaFAX
before going any further.
I am simply trying to access my modem with cu to probe the functionality of
it and see if it responds to queries correctly. (Ie: I want to check what
class FAX modem it is as outlined in the HylaFAX documentation.) I have an
external USR Sportster 56K modem on ttyS0.
Yet when I enter:
cu -l /dev/ttyS0
I receive the message:
cu: open (/dev/ttyS0): Permission denied
cu: /dev/ttyS0: Line in use
I also get the same message when I probe ttyS1
I have not installed any software on the machine beyond doing a full
installation from the Redhat 6.1 CD.
RH 6.1 did notice the modem at startup and asked to configure it. So I said
yes to have the system configure it.
So, what is locking my modem? How can I unlock my modem? Any help is
appreciated as I have spent all evening plowing through MAN pages trying to
find a solution to this seemingly simple little problem.
PS: I have had this problem on THREE different Redhat 6.1 installations.
And booting to DOS and running MSD to diagnose the machine indicates the
serial ports are running just fine.
PS: This seems to be different than RH 6.0 where I can CU to the modem
without a hitch from a full install.