linux-kernel - Re: 2.6.25-rc7: Ugh.

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Date:	Tue, 1 Apr 2008 11:59:24 +0200
From:	Pavel Machek <pavel@....cz>
To:	Oliver Neukum <oliver@...kum.org>
Cc:	Mark Lord <lkml@....ca>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Greg KH <gregkh@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>, jikos@...e.cz
Subject: Re: 2.6.25-rc7:  Ugh.

Hi!

> > But suspend *with* any USB device plugged-in, and it *always* fails resume,
> > even when the USB device is unplugged before hitting the resume button.
> > 
> > Conclusion:   the bug is in the usb SUSPEND code, not the RESUME code.
> 
> I would arrive at the opposite conclusion. Independent from that, loss of
> power is not really supported by USB during STR. Obviously it should not
> hang, but all devices will be disconnected and reconnected.

All devices disconnected / reconnected is expected, but it has to
work. Machines like thinkpad x60 kill USB power during s2ram.

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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