linux-kernel - Re: USB storage no-boot regression (bisected)

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Message-ID: <20090416063401.32ced22a@infradead.org>
Date:	Thu, 16 Apr 2009 06:34:01 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Greg KH <greg@...ah.com>, Mark Lord <lkml@....ca>,
	Jeff Garzik <jeff@...zik.org>,
	Linux USB kernel mailing list <linux-usb@...r.kernel.org>,
	Alan Stern <stern@...land.harvard.edu>,
	LKML <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: USB storage no-boot regression (bisected)

On Thu, 16 Apr 2009 11:51:53 +0100
Alan Cox <alan@...rguk.ukuu.org.uk> wrote:

> > > Though it's an onboard USB SSD, not a pluggable stick.
> > 
> > Wow, that's insane.  Leave it to a hardware designer to use a bus
> > that you never know if you have discovered all the devices to be
> > the primary device to boot from.
> 
> Let me see:
> 
> - Standardised small component
> - Low pin count and low wire count bus
> - Cheap
> 
> In an embedded environment where you know the device is wired in at
> software level that strikes me not as insane but very sensible.

I'm not surprised usb is used for storage. What I am surprised at is
that USB is used in such high end environments that rootwait is not
sufficient and that the panic-rebooter is needed for the reliability.



-- 
Arjan van de Ven 	Intel Open Source Technology Centre
For development, discussion and tips for power savings, 
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