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None Re: More: compiled kernel-cs with pc_debug: "odd IO request" 

Forum: PCMCIA Serial and Modem Issues
Re: Sad register_serial(): autoconfig failed (Inet Spider II card -- 16550 CDPD modem) (Scott Petrack)
Re: Note Oops, forgot cardctl -V and uname -rv (Scott Petrack)
Re: More compiled kernel-cs with pc_debug: "odd IO request" (Scott Petrack)
Date: 1999, Dec 27
From: David Hinds <>

The "Odd IO request" message is more for my benefit than for anyone
else.  You're right that it means the "lines" field in the CIS is
incorrect.  But fixing it won't do any good, because the drivers
already noticed it was odd and took appropriate action.

At this point, since you've got another serial device that works fine
in exactly the same context (same IO, same irq), and this card also
claims to be a perfectly ordinary serial device, I'm not sure what
could be wrong.  The kernel serial driver is not happy with this card.
Maybe there's some mild incompatibility that isn't noticed by the
Windows serial driver, but screws up the Linux serial device probe.
Or maybe it is a timing problem in the initialization code.  But I
think the "Odd IO request" is a red herring.

-- Dave

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1. More Point me in the right direction please? by Scott Petrack, 1999, Dec 27
(_ None Re: More: Point me in the right direction please? by David Hinds, 1999, Dec 28
(_ Ok SUCCESS, thanks to you. But please check the workaround.... by Scott Petrack, 2000, Jan 02

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