On 05/10/2015 07:17 PM, Ralf Jung wrote:
Hi again,d6236f6d1d885aa19d1cd7317346fe795227a3cc is the first bad commit commit d6236f6d1d885aa19d1cd7317346fe795227a3cc Author: Wang, Yu <yu.y.wang@intel.com> Date: Tue Jun 24 17:14:44 2014 +0300 xhci: Fix runtime suspended xhci from blocking system suspend.I confirmed that reverting this commit on top of v3.16 indeed fixes the issue.I just tested the v4.1-rc2 kernel to confirm that the issue is still present. Reverting above commit again fixed the issue. Please let me know if there is any other information you need from me.
Can you try with auto-pm disabled for PCI xHCI host? # echo 'on' | tee /sys/bus/pci/devices/*/power/control Thanks, -baolu
Kind regards, Ralf -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html