Date: Mon, 3 Jul 1995 02:01:55 +0400 (MSD) From: =?KOI8-R?Q?=E1=CE=C4=D2=C5=CA_=FE=C5=D2=CE=CF=D7?= aka "Andrey A. Chernov, Black Mage" <ache@astral.msk.su> To: bde@ZETA.ORG.AU, cvs-sys@freefall.cdrom.com Subject: Re: cvs commit: src/sys/i386/isa sio.c Message-ID: <MEJTnzlqJH@astral.msk.su> In-Reply-To: <199507021644.CAA18626@godzilla.zeta.org.au>; from Bruce Evans at Mon, 3 Jul 1995 02:44:21 %2B1000 References: <199507021644.CAA18626@godzilla.zeta.org.au>
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In message <199507021644.CAA18626@godzilla.zeta.org.au> Bruce Evans
writes:
>This means that your fix is probably sub-optimal. What makes the
>problem go away? close() doesn't do anything to unwedge the
>transmitter bits, and open() fails early when it calls comparam().
As I said, DTR drop stop it.
>Please submit a full bug report before hiding the problem. For
>this bug I would like to know at least:
I am not hiding it, I make it visible! Old variant was hidding:
getty loops forever, now it says "Input/Output Error" wich is true.
>1) state of all UART registers.
>2) what happens when interrupts are disabled so the driver can't
> possibly keep feeding the transmitter.
I'll try to dig out it...
Right now I can say that driver not feed transmitter with any data
at this state.
--
Andrey A. Chernov : And I rest so composedly, /Now, in my bed,
ache@astral.msk.su : That any beholder /Might fancy me dead -
FidoNet: 2:5020/230.3 : Might start at beholding me, /Thinking me dead.
RELCOM Team,FreeBSD Team : E.A.Poe From "For Annie" 1849
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