From: Pavel Machek <pavel@ucw.cz>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Dave Jones <davej@redhat.com>,
Kernel development list <linux-kernel@vger.kernel.org>,
David Brownell <david-b@pacbell.net>
Subject: Re: annoying frequent overcurrent messages.
Date: Thu, 13 Jul 2006 14:08:15 +0200 [thread overview]
Message-ID: <20060713120815.GA5727@elf.ucw.cz> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0607121012570.6607-100000@iolanthe.rowland.org>
Hi!
> > I have a box that's having its dmesg flooded with..
> >
> > hub 1-0:1.0: over-current change on port 1
> > hub 1-0:1.0: over-current change on port 2
> > hub 1-0:1.0: over-current change on port 1
> > hub 1-0:1.0: over-current change on port 2
> ...
>
> > over and over again..
> > The thing is, this box doesn't even have any USB devices connected to it,
> > so there's absolutely nothing I can do to remedy this.
>
> 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...?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2006-07-13 12:08 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200607111747.13529.david-b@pacbell.net>
2006-07-12 14:19 ` Alan Stern
2006-07-12 16:56 ` Dave Jones
2006-07-12 17:09 ` Ray Lee
2006-07-12 17:19 ` Alan Stern
2006-07-12 17:34 ` Ray Lee
2006-07-12 17:45 ` Alan Stern
2006-07-12 18:06 ` Ray Lee
2006-07-12 17:51 ` Dave Jones
2006-07-12 18:07 ` Alan Stern
2006-07-12 18:26 ` Alan Cox
2006-07-13 12:08 ` Pavel Machek [this message]
2006-07-13 12:14 ` Arjan van de Ven
2006-07-13 14:29 ` Alan Stern
2006-08-08 11:37 ` Pavel Machek
2006-07-13 20:50 Al Boldi
2006-07-14 20:44 ` Pavel Machek
2006-07-15 3:54 ` Al Boldi
-- strict thread matches above, loose matches on Subject: below --
2006-07-12 0:37 Dave Jones
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