Re: Sleeping function called from invalid context in 2.6.37 xhci_hcd

From: Robert Hancock
Date: Wed Jan 05 2011 - 20:00:31 EST


On Wed, Jan 5, 2011 at 6:30 PM, Greg KH <gregkh@xxxxxxx> 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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