On Wed, 2012-04-18 at 16:23 -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. Confirmed. The suspend locked up even with the script. > > Please try this both with and without pm_test set to "platform", and > post the debugging dmesg output from whichever cases the computer > survives. > Below is the dmesg output after running with pm_test set to "platform". -- Steve [ 168.898150] ehci_hcd 0000:00:1a.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 [ 168.900556] ehci_hcd 0000:00:1a.0: setting latency timer to 64 [ 168.900566] ehci_hcd 0000:00:1a.0: EHCI Host Controller [ 168.902803] ehci_hcd 0000:00:1a.0: new USB bus registered, assigned bus number 1 [ 168.905033] ehci_hcd 0000:00:1a.0: debug port 2 [ 168.911060] ehci_hcd 0000:00:1a.0: cache line size of 64 is not supported [ 168.911074] ehci_hcd 0000:00:1a.0: irq 16, io mem 0xdfc08000 [ 168.926501] ehci_hcd 0000:00:1a.0: USB 2.0 started, EHCI 1.00 [ 168.927782] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 [ 168.929028] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 168.930280] usb usb1: Product: EHCI Host Controller [ 168.931159] usb usb1: Manufacturer: Linux 3.2.5-custom+ ehci_hcd [ 168.931825] usb usb1: SerialNumber: 0000:00:1a.0 [ 168.932636] hub 1-0:1.0: USB hub found [ 168.933580] hub 1-0:1.0: 2 ports detected [ 168.958631] ehci_hcd 0000:00:1d.0: PCI INT A -> GSI 23 (level, low) -> IRQ 23 [ 168.959979] ehci_hcd 0000:00:1d.0: setting latency timer to 64 [ 168.959985] ehci_hcd 0000:00:1d.0: EHCI Host Controller [ 168.961010] ehci_hcd 0000:00:1d.0: new USB bus registered, assigned bus number 2 [ 168.961888] ehci_hcd 0000:00:1d.0: debug port 2 [ 168.966644] ehci_hcd 0000:00:1d.0: cache line size of 64 is not supported [ 168.966659] ehci_hcd 0000:00:1d.0: irq 23, io mem 0xdfc07000 [ 168.982442] ehci_hcd 0000:00:1d.0: USB 2.0 started, EHCI 1.00 [ 168.984712] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002 [ 168.986937] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 168.989072] usb usb2: Product: EHCI Host Controller [ 168.991221] usb usb2: Manufacturer: Linux 3.2.5-custom+ ehci_hcd [ 168.993345] usb usb2: SerialNumber: 0000:00:1d.0 [ 168.995824] hub 2-0:1.0: USB hub found [ 168.996495] hub 2-0:1.0: 2 ports detected [ 169.246068] usb 1-1: new high-speed USB device number 2 using ehci_hcd [ 169.378364] usb 1-1: New USB device found, idVendor=8087, idProduct=0024 [ 169.380124] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 169.382318] hub 1-1:1.0: USB hub found [ 169.384196] hub 1-1:1.0: 6 ports detected [ 169.497629] usb 2-1: new high-speed USB device number 2 using ehci_hcd [ 169.629894] usb 2-1: New USB device found, idVendor=8087, idProduct=0024 [ 169.632100] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 169.635009] hub 2-1:1.0: USB hub found [ 169.637506] hub 2-1:1.0: 6 ports detected [ 169.713401] usb 1-1.1: new full-speed USB device number 3 using ehci_hcd [ 169.809382] usb 1-1.1: New USB device found, idVendor=8086, idProduct=0189 [ 169.811659] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 169.822285] wlan0: authenticate with e0:91:f5:5e:86:d4 (try 1) [ 169.825100] wlan0: authenticated [ 169.825502] wlan0: waiting for beacon from e0:91:f5:5e:86:d4 [ 169.835059] wlan0: beacon received [ 169.873008] wlan0: associate with e0:91:f5:5e:86:d4 (try 1) [ 169.876767] wlan0: RX AssocResp from e0:91:f5:5e:86:d4 (capab=0x411 status=0 aid=6) [ 169.876776] wlan0: associated [ 169.881390] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 169.889131] usb 1-1.2: new high-speed USB device number 4 using ehci_hcd [ 170.042023] usb 1-1.2: New USB device found, idVendor=13d3, idProduct=5710 [ 170.044334] usb 1-1.2: New USB device strings: Mfr=3, Product=1, SerialNumber=2 [ 170.046665] usb 1-1.2: Product: USB 2.0 UVC VGA WebCam [ 170.048996] usb 1-1.2: Manufacturer: Azurewave [ 170.051261] usb 1-1.2: SerialNumber: 0x0001 [ 170.055819] uvcvideo: Found UVC 1.00 device USB 2.0 UVC VGA WebCam (13d3:5710) [ 170.066505] input: USB 2.0 UVC VGA WebCam as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.0/input/input13 [ 179.996624] wlan0: no IPv6 routers present _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/linux-pm
