On Wed, Apr 18, 2012 at 04:23:20PM -0400, Alan Stern wrote: > In the meantime, just to be certain of the diagnosis, here's a > different patch for you guys to try. This will test the ehci-hcd > unbound path (i.e., use it with the script). The patch removes the > line that sets the dev->current_state to PCI_UNKNOWN when the driver is > unbound. Thus current_state will remain equal to PCI_D0, so > pci_prepare_to_sleep should put the controllers into D3, which we > expect will cause a crash. > > Please try this both with and without pm_test set to "platform", and > post the debugging dmesg output from whichever cases the computer > survives. With "platform": ehci_hcd 0000:00:1d.0: wake-up capability enabled by ACPI ehci_hcd 0000:00:1d.0: cur 0 target 3 error 0 ehci_hcd 0000:00:1a.0: wake-up capability enabled by ACPI ehci_hcd 0000:00:1a.0: cur 0 target 3 error 0 With "none" it locks up. -- WBR, wRAR
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