Re: [hylafax-users] Linux, 2.6, PCI Modems, And Weirdness

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

On 2004.07.29 07:31 Michael J. Pedersen wrote:

> The modems are the real issue. Under kernel 2.4.18, they were
> designated
> as ttyS4, ttyS5, ttyS6, and ttyS7. Now, under 2.6.6, they are
> designated
> as ttyS14, ttyS15, ttyS44, and ttyS45.

Under recent 2.6 Linux kernels I've found myself with this same kind of 
problem with the kernel serial driver doing "weird" things when 
"autodetecting" PCI serial ports at boot-time when it is compiled-in to 
the kernel.  It does weird things with some cards, and it does even 
weirder things with winmodems.  Thus with the 2.6 kernels I have had to 
build the serial driver as a module and then to 'modprobe 8250' in 
/etc/rc.serial and use setserial to configure each of the PCI serial 
ports.  It's a pain when in the 2.4 kernels, by comparison, I didn't 
have to do anything other than compile-in the serial driver into kernel.

I haven't taken the time to report these problems to Theodore Ts'o 
(Ted), who I think still maintains the Linux serial driver.  You may 
want to do that.

Lee.

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