linux-kernel - usb fails to suspend [was: mmotm 2009-06-05-16-19]

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Date:	Sat, 06 Jun 2009 19:16:25 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	"rjw@...k.pl" <rjw@...k.pl>
CC:	Alan Stern <stern@...land.harvard.edu>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linux kernel mailing list <linux-kernel@...r.kernel.org>
Subject: usb fails to suspend [was: mmotm 2009-06-05-16-19]

Hi,

there is a suspend regression somewhere between mmotm 2009-05-17-12-15
and 2009-06-05-16-19:
hcd_pci_suspend_noirq(): pci_prepare_to_sleep+0x0/0x80 returns -19
pci_pm_suspend_noirq(): hcd_pci_suspend_noirq+0x0/0xb0 returns -19
pm_noirq_op(): pci_pm_suspend_noirq+0x0/0x180 returns -19
PM: Device 0000:00:1d.2 failed to suspend late: error -19

$ lspci -xxvvs 0000:00:1d.2
00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #3 (rev 02) (prog-if 00 [UHCI])
        Subsystem: Intel Corporation 82801I (ICH9 Family) USB UHCI
Controller #3
        Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
        Latency: 0
        Interrupt: pin D routed to IRQ 16
        Region 4: I/O ports at d000 [size=32]
        Capabilities: [50] Vendor Specific Information <?>
        Kernel driver in use: uhci_hcd
00: 86 80 36 29 05 00 90 02 02 00 03 0c 00 00 00 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 01 d0 00 00 00 00 00 00 00 00 00 00 86 80 36 29
30: 00 00 00 00 50 00 00 00 00 00 00 00 05 04 00 00

Any ideas?
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