linux-kernel - Re: [linux-usb-devel] 2.6.18-rc6-mm1

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Message-Id: <200609120008.19714.rjw@sisk.pl>
Date:	Tue, 12 Sep 2006 00:08:19 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	USB development list <linux-usb-devel@...ts.sourceforge.net>
Subject: Re: [linux-usb-devel] 2.6.18-rc6-mm1

On Saturday, 9 September 2006 00:57, Rafael J. Wysocki wrote:
> On Friday, 8 September 2006 22:44, Alan Stern wrote:
> > On Fri, 8 Sep 2006, Andrew Morton wrote:
> > 
> > > Alan, is this likely to be due to your USB PM changes?
> > 
> > It's possible.  Most of those changes are innocuous.  They add routines
> > that don't get used until a later patch.  However one of them might be
> > responsible.
> 
> Well, after recompiling the kernel for several times (because of a different
> problem) I'm no longer able to reproduce the problem.

Now I have another symtom: during the _second_ suspend the suspending of
USB controllers fails with messages like this:

usb_hcd_pci_suspend(): ehci_pci_suspend+0x0/0xab [ehci_hcd]() returns -22
pci_device_suspend(): usb_hcd_pci_suspend+0x0/0x16d [usbcore]() returns -22
suspend_device(): pci_device_suspend+0x0/0x4b() returns -22
Could not suspend device 0000:00:13.2: error -22

Could you please tell me which patches might have caused this, in your opinion?

Rafael


-- 
You never change things by fighting the existing reality.
		R. Buckminster Fuller
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