linux-kernel - Re: suspend (uhci_hcd) defunct in mmotm 2008-09-13-03-09

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Date:	Wed, 24 Sep 2008 10:49:48 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Jiri Slaby <jirislaby@...il.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux-pm mailing list <linux-pm@...ts.linux-foundation.org>,
	USB list <linux-usb@...r.kernel.org>
Subject: Re: suspend (uhci_hcd) defunct in mmotm 2008-09-13-03-09

On Wed, 24 Sep 2008, Jiri Slaby wrote:

> >> pm_op(): pci_pm_suspend+0x0/0xd0 returns -16
> >> PM: Device 0000:00:1d.0 failed to suspend: error -16
> >> PM: Some devices failed to suspend
> > 
> > The reason for this error is that the root hub wasn't already 
> > suspended.  Was there a USB device plugged into that controller?
> 
> No:

> > If you still run into problems, post more of the dmesg log (with 
> > CONFIG_USB_DEBUG enabled, of course!).
> 
> Hm, it doesn't work. 2 dmesgs from mmotm 2008-09-10-19-39 (without usb debug)
> [ok] and -rc6+gkh-all (with usb debug) [fail]:
> http://decibel.fi.muni.cz/~xslaby/dmesg_fail.hcd
> http://decibel.fi.muni.cz/~xslaby/dmesg_ok.hcd

In fact neither of those logs includes USB debugging messages.  Maybe
you omitted a mkinitrd step.

Alan Stern

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