Re: corrupted /proc/ioports? (serial port woes pt.II)

Subject: Re: corrupted /proc/ioports? (serial port woes pt.II)
From: Charles Stevenson (
Date: Thu Jun 15 2000 - 08:22:48 MDT

On Wed, 14 Jun 2000, you wrote:
> Hi again folks,
> (Thanks for your previous reply Charles.)
> I think I have traced my troubles with getting my
> serial printer and internal modem working to the
> current /proc/ioports -- it's empty when viewed
> with vi or less, but shows a "y" with an " above
> when viewed with more. I looked at the same file
> on my linux box at work and that one is quite
> sensible. How do I go about correcting this?

Your /proc/ioports is empty? You might need to reboot to fix that, not sure if
you accidently edited it while trying to view it. I would use 'cat' to view
any /proc files.

Perhaps look for your modem in dmesg.

dmesg |more

For example if I want to find out what my ethernet device is I just do:

[root@core ~]# dmesg |grep eth0
eth0: BMAC+ at 00:05:02:0f:57:cc

> To remind you: When I send something to the
> printer (/dev/ttyS1) the printer prints out
> a single line of garbage on a couple pages.
> When I run the modem test using Red Hat's ppp config
> tool, it fails to initialize the modem.
> And finally, perhaps most interestingly, is that
> the whole system hangs whenever I attempt to run
> a setserial command which attempts to change the
> state of the device. (E.g. 'setserial -a /dev/ttyS1'
> works, 'setserial /dev/ttyS1 auto_irq skip_test
> autoconfig' doesn't).
> Thanks again for any help.
> Matt
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