setserial /dev/ttyS2 IRQ11 - invalid flag?

setserial /dev/ttyS2 IRQ11 - invalid flag?

Post by steve mcclu » Tue, 12 Dec 2000 20:43:04



Hi all,

I'm trying to set up my modem under Mandrake 7.2.

If I run minicom, it doesn't respond to ATZ, and Kppp also says "modem
not responding".

When I checked setserial /devttyS2, it says IRQ:4. Looking under
Windows, I see that my modem uses IRQ11.

When I enter "setserial /dev/ttyS2 IRQ11", it says "IRQ11 - invalid
flag".

What does this mean, and does anyone know how I can fix it? Do I need
to designate a new serial port at IRQ11?

TIA

Steve

 
 
 

setserial /dev/ttyS2 IRQ11 - invalid flag?

Post by Bob Marti » Tue, 12 Dec 2000 21:49:12



> Hi all,

> I'm trying to set up my modem under Mandrake 7.2.

> If I run minicom, it doesn't respond to ATZ, and Kppp also says "modem
> not responding".

> When I checked setserial /devttyS2, it says IRQ:4. Looking under
> Windows, I see that my modem uses IRQ11.

> When I enter "setserial /dev/ttyS2 IRQ11", it says "IRQ11 - invalid
> flag".

> What does this mean, and does anyone know how I can fix it? Do I need
> to designate a new serial port at IRQ11?

> TIA

> Steve

The form of the argument is wrong, should be irq 11, not
IRQ11
--

Bob Martin

 
 
 

setserial /dev/ttyS2 IRQ11 - invalid flag?

Post by steve mcclu » Wed, 13 Dec 2000 18:00:41





>> Hi all,

>> I'm trying to set up my modem under Mandrake 7.2.

>> If I run minicom, it doesn't respond to ATZ, and Kppp also says "modem
>> not responding".

>> When I checked setserial /devttyS2, it says IRQ:4. Looking under
>> Windows, I see that my modem uses IRQ11.

>> When I enter "setserial /dev/ttyS2 IRQ11", it says "IRQ11 - invalid
>> flag".

>> What does this mean, and does anyone know how I can fix it? Do I need
>> to designate a new serial port at IRQ11?

>> TIA

>> Steve

>The form of the argument is wrong, should be irq 11, not
>IRQ11

Thanks Bob, that fixed it. Stupid of me not to have tried all the case
and space variations!

Steve

 
 
 

1. /dev/ttyS2 (/dev/cua2) reports "device or resource busy" on kernel 2.1.95

I have just upgraded my kernel from 2.1.77 to 2.1.95

I use isapnp tools to set the IRQ and I/O address of my modem, then
setserial
to tell the driver that /dev/ttyS2 is where it is.

This worked fine on 2.1.77 kernel but now I get the message that the
"device or resource busy", when I attempt to open it (with say, dip
or kermit). Nothing else is using the port.

What has changed between these two kernel releases that would cause
this?

(also tried /dev/cua2 (which is being 'deprecated') to the same
effect...
works on 2.1.77 and is busy on 2.1.95)

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