Re: [hylafax-users] ttyS4: LSR safety check engaged!

[Lee Howard <faxguy@xxxxxxxxxxxxxxxx>]

On 2004.04.05 19:21 Kris Henderson wrote:
> Hello,
>
> I have had HylaFAx sending and receiving fine for a few months.
> Today,
> I started seeing this error message:
> 	"ttyS4: LSR safety check engaged!"
> I am using HylaFAX CVS HEAD revision running on RedHat Linux 7.3, my
> modem is a MultiTech MT5634ZPX-PCI-U in Class 1.0 mode.
>
> Does anyone know what might cause this error message?

Ted Ts'o (the Linux serial driver author) knows:

http://www.ussg.iu.edu/hypermail/linux/kernel/0002.1/0075.php

The only time I've seen it before was with some hardware problem (IRQs, 
loose card, that kind of thing, but I cannot remember specifically).

Lee.

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