linux-kernel - Re: annoying frequent overcurrent messages.

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Message-ID: <20060808113737.GH4442@elf.ucw.cz>
Date:	Tue, 8 Aug 2006 13:37:37 +0200
From:	Pavel Machek <pavel@...e.cz>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Dave Jones <davej@...hat.com>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	David Brownell <david-b@...bell.net>
Subject: Re: annoying frequent overcurrent messages.

Hi!

> > > Well, overcurrent is a potentially dangerous situation.  That's why it 
> > > gets reported with dev_err priority.
> > 
> > Well, I see overcurrents all the time while doing suspend/resume...
> > 
> > Why is it dangerous? USB should survive plugging something that
> > connects +5V and ground. It may turn your machine off, but that should
> > be it...?
> 
> The key words here are "potentially", "should", and "may".
> 
> BTW, what sort of overcurrents do you see during suspend/resume?

Okay, that was on X32, and I'm not using it for now, sorry about
that. "Overcurrent on port XY" was the message, IIRC, but...
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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