linux-kernel - Re: Sleeping function called from invalid context in 2.6.37 xhci

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Message-ID: <AANLkTi=a=ARbmr6e9KvuNdtLWkQyfecrQOPeTHze5=Xf@mail.gmail.com>
Date:	Wed, 5 Jan 2011 18:59:59 -0600
From:	Robert Hancock <hancockrwd@...il.com>
To:	Greg KH <gregkh@...e.de>
Cc:	Sarah Sharp <sarah.a.sharp@...ux.intel.com>,
	Linux-usb <linux-usb@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Sleeping function called from invalid context in 2.6.37 xhci_hcd

On Wed, Jan 5, 2011 at 6:30 PM, Greg KH <gregkh@...e.de> wrote:
> On Wed, Jan 05, 2011 at 06:22:03PM -0600, Robert Hancock wrote:
>> Just saw this on booting up on the latest Fedora Rawhide kernel
>> based on 2.6.37. Looks like we were trying to do a runtime suspend
>> on the xHCI USB controller and it disabled MSI-X while interrupts
>> were disabled?
>
> Known issue, patches came in too late to make it for .37, hopefully will
> show up in .38-rc and then get backported to .37.  They are on the
> linux-usb mailing list if you need them now.

Not sure if it's related to this issue or not, but I also noticed the
USB 3.0 card wasn't detecting any connected devices until I disabled
USB autosuspend on the controller through sysfs (which is enabled by
default in that Fedora Rawhide kernel)..
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