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[linux-pm] Re: Sleep problems with kernels >= 2.6.21 on powerpc Andrew Morton Thu Sep 06 18:07:23 2007

> On 30 Aug 2007 22:42:46 +0200 "Tim Teulings" <[EMAIL PROTECTED]> 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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