Date: Fri, 10 Nov 2006 23:32:04 +1100 (EST) From: Ian Smith <smithi@nimnet.asn.au> To: Vince <jhary@unsane.co.uk> Cc: freebsd-stable@freebsd.org Subject: Re: usb serial lockup Message-ID: <Pine.BSF.3.96.1061110232957.12709B-100000@gaia.nimnet.asn.au> In-Reply-To: <45546DEB.6040406@unsane.co.uk>
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On Fri, 10 Nov 2006, Vince wrote:
> I have a bit of a wierd problem, My laptop has no serial ports, as is
> the norm these days, so i have a FTDI based usb serial connector which
> is very handy and works well. However, what i have found is that freebsd
> still detects a serial port anyway
>
> sio0: configured irq 4 not in bitmap of probed irqs 0
> sio0: port may not be enabled
> sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
> sio0: type 8250 or not responding
> sio1: configured irq 3 not in bitmap of probed irqs 0
> sio1: port may not be enabled
>
> and if i'm careless and type tip com1 ( or use minicom on /dev/{ttyd0,
> cuad0} as root or as a user I hard lock my laptop, nothing responding
> and i have to powercycle it. this is 100% reproducable.
add to /boot/loader.conf (ditto for sio.1 wouldn't hurt):
hint.sio.0.disabled=1
Ian
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