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SubjectRe: usb fails to suspend [was: mmotm 2009-06-05-16-19]
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On Sunday 07 June 2009, Jiri Slaby wrote:
> On 06/07/2009 12:28 AM, Rafael J. Wysocki wrote:
> > On Saturday 06 June 2009, Jiri Slaby wrote:
> >> 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?
> >
> > Not really. Is it -mm-only or is the mainline affected too?
>
> Yup, only an -mm thing. I reverted these two:
> pci-pm-read-device-power-state-from-register-after-updating-it.patch
> pci-pm-read-device-power-state-from-register-after-updating-it-update.patch
> and it works now :).

OK, thanks.

Andrew, can you drop these two patches from -mm please?

Best,
Rafael


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