Hi, there was an old patch from Sarah: https://bugzilla.kernel.org/show_bug.cgi?id=41752 drivers/usb/core/hub.c | 12 +++++++++++- 1 files changed, 11 insertions(+), 1 deletions(-) --- a/drivers/usb/core/hub.c +++ a/drivers/usb/core/hub.c @@ -2033,6 +2033,8 @@ static unsigned hub_is_wusb(struct usb_hub *hub) #define HUB_LONG_RESET_TIME 200 #define HUB_RESET_TIMEOUT 500 +static int hub_port_warm_reset(struct usb_hub *hub, int port); + static int hub_port_wait_reset(struct usb_hub *hub, int port1, struct usb_device *udev, unsigned int delay) { @@ -2052,8 +2054,16 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1, return ret; /* Device went away? */ - if (!(portstatus & USB_PORT_STAT_CONNECTION)) + if (!(portstatus & USB_PORT_STAT_CONNECTION)) { + if (hub_is_superspeed(hub->hdev) && + (portstatus & USB_PORT_STAT_LINK_STATE) + == USB_SS_PORT_LS_SS_INACTIVE) { + dev_dbg(hub->intfdev, "warm reset port %d\n", + port1); + return hub_port_warm_reset(hub, port1); + } return -ENOTCONN; + } /* bomb out completely if the connection bounced */ if ((portchange & USB_PORT_STAT_C_CONNECTION)) -- As the bug has been reopened I need to ask, have we lost a patch or what is happening? Regards Oliver -- 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