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Re: [Xen-devel] Problem with xenconsole

To: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Problem with xenconsole
From: Christoph Egger <Christoph.Egger@xxxxxxx>
Date: 2008年8月21日 15:59:58 +0200
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On Wednesday 20 August 2008 17:26:19 Ian Jackson wrote:
> Christoph Egger writes ("[Xen-devel] Problem with xenconsole"):
> > But: On the first guest I connect to, select() does not notice when
> > an output is available. That is why no console output is there and
> > why you can work blindly on the guest.
>
> The way you have described it makes it sound like you're close to
> isolating it as a kernel misbehaviour. Is that right ?
Almost. It is hard to say, select() does not work or this has already
been fixed, otherwise.
I suspect the problem is somewhere in xenconsoled where the
terminal is initialized. I'm searching for something that does not
work the first time, but on any further try.
> You should double-check the stty settings. There are some of these
> which are capable of having very strange symptoms in this kind of area
> (particularly, `min' and `time' which should be min=1, time=0)
This is the case on Dom0 serial console and ssh sessions to the Dom0.
I haven't check the settings for the guests ptys yet.
Christoph
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