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SubjectRe: suspend (uhci_hcd) defunct in mmotm 2008-09-13-03-09
On Wed, 17 Sep 2008, Jiri Slaby wrote:

> Hi,
> I've found suspend on my desktop defunct in mmotm 2008-09-13-03-09 (opposing to
> 2008-09-10-19-39).
> Dmesg says:
> uhci_hcd 0000:00:1d.1: PCI INT B disabled
> pci_legacy_suspend(): usb_hcd_pci_suspend+0x0/0x3e0 returns -16
> 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?

Two days ago I ran 2.6.27-rc6 plus gregkh-all-2.6.27-rc6.patch from

on my laptop, and it suspended with no problem. Can you try the same

If you still run into problems, post more of the dmesg log (with
CONFIG_USB_DEBUG enabled, of course!).

Alan Stern

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