Re: 2.6.30: suspend-to-ram, second s2r wakes up immediately

From: Thomas Meyer
Date: Mon Jun 15 2009 - 11:37:51 EST


Am Sonntag, den 14.06.2009, 20:57 +0200 schrieb Rafael J. Wysocki:
> On Sunday 14 June 2009, Frans Pop wrote:
> > Rafael J. Wysocki wrote:
> >
> > >> 00:02.1 USB Controller: nVidia Corporation MCP55 USB Controller (rev a2) (prog-if 20 [EHCI])
> > >> Subsystem: Micro-Star International Co., Ltd. Device 7250
> > >> Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
> > >> Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
> > >> Latency: 0 (750ns min, 250ns max)
> > >> Interrupt: pin B routed to IRQ 23
> > >> Region 0: Memory at fe9fac00 (32-bit, non-prefetchable) [size=256]
> > >> Capabilities: [44] Debug port: BAR=1 offset=0098
> > >> Capabilities: [80] Power Management version 2
> > >> Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
> > >> Status: D0 PME-Enable- DSel=0 DScale=0 PME+
> > >> Kernel driver in use: ehci_hcd
> > >
> > > PME+ means that the USB EHCI controller will signal a PME as soon as it is
> > > enabled, so if PME is enabled on the controller before suspend, it will
> > > wake up the system.
> > >
> > > Please send a boot log.
> >
> > Was already included in the initial message...
> >
> > I wonder if this device could be the cause:
> > [ 40.232873] wlan0: register 'rndis_wlan' at usb-0000:00:02.1-6.1,
> > Wireless RNDIS device, BCM4320b based, 00:16:01:cf:56:29
> > [ 40.232907] usbcore: registered new interface driver rndis_wlan
> > [...]
> > [ 41.705516] rndis_wlan 1-6.1:1.0: rndis media disconnect
>
> Ah, thanks.
>
> Thomas, please check the contents of
>
> /sys/devices/pci0000:00/0000:00:02.1/power/wakeup
> /sys/devices/pci0000:00/0000:00:02.0/power/wakeup

Both are set to "disabled".


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