On Fri, Mar 2, 2012 at 21:20, Thilo-Alexander Ginkel <thilo@xxxxxxxxxx> wrote: > from time to time my laptop (a Lenovo ThinkPad T420s) freezes while > attempting to enter S3. From the dmesg output it seems that it is > encountering a timeout while attempting to suspend the NEC Corporation > uPD720200 USB 3.0 controller: > > xhci_hcd 0000:0d:00.0: WARN: xHC CMD_RUN timeout > suspend_common(): xhci_pci_suspend+0x0/0x40 [xhci_hcd] returns -110 > sdhci-pci 0000:05:00.0: PCI INT A disabled > pci_pm_suspend(): hcd_pci_suspend+0x0/0x30 returns -110 In the meantime I have been able to capture more verbose debug traces (with CONFIG_USB_DEBUG=y on Kernel 3.2.9 x86_64). The photograph I am copying this from is a little blurry (I had to hurry exiting a train), so some numbers may be wrong... usb 2-1.4: unlink qh16-0001/ffff????? start 3 [2/0 us] ... usb usb1: usb auto-resume usb usb4: usb auto-resume usb usb3: usb auto-resume hub 4-0:1.0: hub_resume xhci_hcd 0000:0d:00.0: CTRL: TypeReq=0xa(?)300 val=0x0 idx=0x01 len=4 ==> -19 hub 4-0:1.0: hub_port_status failed (err = -19) xhci_hcd 0000:0d:00.0: CTRL: TypeReq=0xa300 val=0x0 idx=0x02 len=4 ==> -19 hub 4-0:1.0: hub_port_status failed (err = -19) hub 4-0:1.0: hub_suspend usb usb4: bus suspend, wakeup 0 ehci_hcd 0000:00:1a.0: resume root hub usb 2-1.4: unlink qh16-0001/ffff????? start 2 [2/0 us] usb 2-1.4: usb suspend, wakeup 0 hub 3-0:1.0: hub_resume xhci_hcd 0000:0d:00.0: CTRL: TypeReq=0xa300 val=0x0 idx=0x01 len=4 ==> -19 hub 3-0:1.0: hub_port_status failed (err = -19) xhci_hcd 0000:0d:00.0: CTRL: TypeReq=0xa300 val=0x0 idx=0x02 len=4 ==> -19 hub 3-0:1.0: hub_port_status failed (err = -19) hub 3-0:1.0: hub_suspend sdhci-pci 0000:05:00.0: PCI INT A disabled usb usb3: bus suspend, wakeup 0 xhci_hcd 0000:0d:00.0: WARN: xHC CMD_RUN timeout I hope this makes more sense... The original photograph is available at: http://ubuntuone.com/3tQuSs9gVtcSts6XqvUeDg > lsusb -v: https://secure.tgbyte.de/dropbox/Aiwir1oo-lsusb-v.txt > > lspci -v: https://secure.tgbyte.de/dropbox/Aiwir1oo-lspci-v.txt Please let me know if you prefer a Bugzilla report instead of this mail. Thanks, Thilo -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html