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Date: Sun, 12 Nov 2006 21:40:59 +0100
From: "O. Hartmann" <ohartman@mail.zedat.fu-berlin.de>
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To: Sergey Matveychuk <sem@FreeBSD.org>
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Cc: freebsd-stable@freebsd.org
Subject: Re: sio driver sucks
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Sergey Matveychuk wrote:
> Do you know an old sio driver is hardly usable?
>
> There are many silo overflows, working with a terminal device is a
> nightmare. There was a report about one crash with a message about a
> spinlock holed more than 5 seconds (there is no core dump because it has
> not repeated).
>
> After a discussion in a Russian FIDO group I've change it on uart and
> the problems gone.
>
> I think a default driver should be changed from sio to uart until it
> will be fixed.
>   

Had those overflows many times when I used FreeBSD 6.0-STABLE,
6.1-STABLE and a modem.
But this never had a so bad influence forcing me into using uart.

Regards,
Oliver