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    SubjectRe: Sleep problems with kernels >= 2.6.21 on powerpc
    > On 30 Aug 2007 22:42:46 +0200 "Tim Teulings" <rael@edge.ping.de> wrote:
    > Hello!
    >
    > > I don't have traces at hand and due to lack of time cannot reproduce it
    > > up to tomorrow. However this hint may speed up your analysis!
    >
    > Sorry for the delay, but my desktop PC had an urgent hard disk problem I
    > had to fix ASASP.
    >
    > So here is the output from dmesg that suggested to me that firewire
    > might be a problem:

    Straightforward regression, two reporters, nothing happening.

    > > usb_endpoint usbdev2.2_ep81: PM: suspend 0->2, parent 2-1:1.0 already 2
    > > usb_device usbdev1.1: PM: suspend 0->2, parent usb1 already 2
    > > usb_endpoint usbdev1.1_ep81: PM: suspend 0->2, parent 1-0:1.0 already 2
    > > hub 1-0:1.0: PM: suspend 2->2, parent usb1 already 2
    > > usb_endpoint usbdev1.1_ep00: PM: suspend 0->2, parent usb1 already 2
    > > eth2: Airport entering sleep mode
    > > eth0: suspending, WakeOnLan disabled
    > > pci_set_power_state(): 0002:20:0e.0: state=3, current state=5
    > > firewire_ohci: pci_set_power_state failed with -22<3>pci_device_suspend(): pci_suspend+0x0/0x9c [firewire_ohci]() returns -22
    > > suspend_device(): pci_device_suspend+0x0/0x98() returns -22
    > > Could not suspend device 0002:20:0e.0: error -22
    > > eth0: resuming
    > > PHY ID: 4061e4, addr: 0
    > > eth2: Airport waking up
    > > eth2: New link status: Connected (0001)
    > > hda: Enabling Ultra DMA 2
    > > eth0: Link is up at 100 Mbps, full-duplex.
    > > eth0: Pause is disabled
    > > ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
    > > hdb: Enabling Ultra DMA 2
    > > usb_endpoint usbdev1.1_ep00: PM: resume from 0, parent usb1 still 2
    > > usb_endpoint usbdev1.1_ep81: PM: resume from 0, parent 1-0:1.0 still 2
    > > usb_device usbdev1.1: PM: resume from 0, parent usb1 still 2
    > > Driver sleep failed
    > > Sleep rejected by devices
    > > adb: starting probe task...
    > > adb devices: [2]: 2 c4 [3]: 3 1 [7]: 7 1f
    > > ADB keyboard at 2, handler 1
    > > ADB mouse at 3, handler set to 4 (trackpad)
    > > adb: finished probe task...
    > > usb_device usbdev1.1: PM: suspend 0->2, parent usb1 already 2
    > > usb_endpoint usbdev1.1_ep81: PM: suspend 0->2, parent 1-0:1.0 already 2
    > > hub 1-0:1.0: PM: suspend 2->2, parent usb1 already 2
    > > usb_endpoint usbdev1.1_ep00: PM: suspend 0->2, parent usb1 already 2
    > > eth2: Airport entering sleep mode
    > > eth0: suspending, WakeOnLan disabled
    > > Trying to free already-free IRQ 40
    > > pci_set_power_state(): 0002:20:0e.0: state=3, current state=5
    > > firewire_ohci: pci_set_power_state failed with -22<3>pci_device_suspend(): pci_suspend+0x0/0x9c [firewire_ohci]() returns -22

    I grepped the whole tree for firewire_ohci and came up blank. What is it?

    But yes, a failed pci_set_power_state() will hurt. Perhaps this is
    a result of some recently-added return-value checking fix but as I
    cannot find the dang code I cannot tell.

    > > suspend_device(): pci_device_suspend+0x0/0x98() returns -22
    > > Could not suspend device 0002:20:0e.0: error -22
    > > eth0: resuming
    > > PHY ID: 4061e4, addr: 0
    > > eth2: Airport waking up
    > > eth2: New link status: Connected (0001)
    > > hda: Enabling Ultra DMA 2
    > > hdb: Enabling Ultra DMA 2
    > > eth0: Link is up at 100 Mbps, full-duplex.
    > > eth0: Pause is disabled
    >
    > The problem wa sinitiated by closing the lid. The iBook then seems to
    > permanetly try to go to sleep (I can hear the cd-rom drive get
    > periodically initialized). So above contains more than one iteration.
    >
    > The kernel is:
    > > Linux kismet 2.6.22-1-powerpc #1 Sun Jul 29 13:58:06 CEST 2007 ppc GNU/Linux
    >
    > The relveant debian package:
    > > linux-image-2.6.22-1-powerpc_2.6.22-3_powerpc.deb
    >
    > I'm running a mixture of debian testing/unstable.
    >
    > The firewire and the USB connector were unused, the network connector
    > was used.
    >
    > If there are questions regarding other packages, or somebody wants me to
    > test a fix (I would prever a debian package), don't hesitate - I would
    > like to get the bug fixed :-)
    >
    -
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