From owner-freebsd-current  Thu Nov 26 11:13:08 1998
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From: "Johan Granlund" <johan@granlund.nu>
To: Bruce Evans <bde@zeta.org.au>, freebsd-current@FreeBSD.ORG
Date: Thu, 26 Nov 1998 19:08:47 +0100
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Subject: Re: sio breakage
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> >Have someone commited something that i missed that breaks sio?
> >I have a HylaFAX that says that the modem appears to be wedget.
> 
l> sio is now missing a workaround for certain (16C450?) incompatible
> UARTs, and now honours TCSANOW.  Previously it waited for output
> to drain out of the UART before changing the parameters, but
> tcsetattr(... TCSANOW) is supposed to change the parameters
> immediately.
> 
Hmm
The ports is reported as 16550A:s
sio0: irq maps: 0x1 0x11 0x1 0x1
sio0 at 0x3f8-0x3ff irq 4 flags 0x10 on isa
sio0: type 16550A
sio1: irq maps: 0x1 0x9 0x1 0x1
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A

This is the onboard serialports on a Intel Advanced/EV motherboard. The 
I/O controller is a NS PC87306 chip and is supposed to be 16C550 
compatible.
Is this controller broken?

HylaFAX is compiled from ports OCT 19 and the system is all ELF 
including the kernel. The port used is cuaa1.

/Johan
> Bruce
> 


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Internet: johan@granlund.nu

I don't even speak for myself

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