linux-kernel - Re: [RFC][PATCH 2/2] x86_64: earlyprintk usb debug device support.

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Date:	Fri, 8 Dec 2006 17:17:24 -0800
From:	Greg KH <gregkh@...e.de>
To:	"Lu, Yinghai" <yinghai.lu@....com>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	USB development list <linux-usb-devel@...ts.sourceforge.net>,
	Stefan Reinauer <stepan@...esystems.de>,
	Peter Stuge <stuge-linuxbios@....org>,
	linux-kernel@...r.kernel.org, Andi Kleen <ak@...e.de>
Subject: Re: [RFC][PATCH 2/2] x86_64: earlyprintk usb debug device support.

On Wed, Dec 06, 2006 at 07:20:16PM -0800, Lu, Yinghai wrote:
> Greg,
> 
> I wonder why the netconsole could print all boot log from beginning with
> buffer. But your usb serial console can not.

Buffer size?  flow control?  the fact that the buffer has already
overflowed?  Who knows, don't trust usb-serial as a real "console"
please :)

thanks,

greg k-h
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