We have attached a USB Serial Converter to an A10 board. So far the usb serial converter works fine but when we check the dmesg output we see those messages:
[ 2581.519781] sw_hcd_cleanup_urb: qh(0xee9aa100,0x1,0x2), urb(0xee742800,512,0), ep(0xef095db8,2,0xee9aa100,0x (null)) [ 2581.531471] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742c00, 512, 0), dev = 2, ep = 1, dir = in [ 2581.542187] sw_hcd_cleanup_urb: qh(0xee9aa100,0x1,0x2), urb(0xee742c00,512,0), ep(0xef095db8,2,0xee9aa100,0x (null)) [ 2581.552887] WRN:L2250(/home/hugo/qt/Smart1BSP/kernel/drivers/usb/sunxi_usb/hcd/core/sw_h cd_host.c):ERR: sw_hcd_host_rx, urb is NULL [ 2581.662362] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742800, 512, 0), dev = 2, ep = 1, dir = in [ 2581.673092] sw_hcd_cleanup_urb: qh(0xee9aa100,0x1,0x2), urb(0xee742800,512,0), ep(0xef095db8,2,0xee9aa100,0x (null)) [ 2581.684079] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742c00, 512, 0), dev = 2, ep = 1, dir = in [ 2581.694794] sw_hcd_cleanup_urb: qh(0xee9aa100,0x1,0x2), urb(0xee742c00,512,0), ep(0xef095db8,2,0xee9aa100,0x (null)) [ 2581.705508] WRN:L2250(/home/hugo/qt/Smart1BSP/kernel/drivers/usb/sunxi_usb/hcd/core/sw_h cd_host.c):ERR: sw_hcd_host_rx, urb is NULL [ 2586.834386] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742800, 512, 0), dev = 2, ep = 1, dir = in [ 2586.845105] WRN:L3128(/home/hugo/qt/Smart1BSP/kernel/drivers/usb/sunxi_usb/hcd/core/sw_h cd_host.c):WRN: urb is not valid [ 2586.856828] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742c00, 512, 0), dev = 2, ep = 1, dir = in [ 2586.867543] sw_hcd_cleanup_urb: qh(0xee9aafc0,0x1,0x2), urb(0xee742c00,512,0), ep(0xef095db8,2,0xee9aafc0,0x (null)) [ 2586.878270] WRN:L2250(/home/hugo/qt/Smart1BSP/kernel/drivers/usb/sunxi_usb/hcd/core/sw_h cd_host.c):ERR: sw_hcd_host_rx, urb is NULL [ 2587.021939] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742800, 512, 0), dev = 2, ep = 1, dir = in [ 2587.032666] sw_hcd_cleanup_urb: qh(0xee9aae00,0x1,0x2), urb(0xee742800,512,0), ep(0xef095db8,2,0xee9aae00,0x (null)) [ 2587.078458] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742c00, 512, 0), dev = 2, ep = 1, dir = in [ 2587.089184] sw_hcd_cleanup_urb: qh(0xee9aae00,0x1,0x2), urb(0xee742c00,512,0), ep(0xef095db8,2,0xee9aae00,0x (null)) [ 2587.099908] WRN:L2250(/home/hugo/qt/Smart1BSP/kernel/drivers/usb/sunxi_usb/hcd/core/sw_h cd_host.c):ERR: sw_hcd_host_rx, urb is NULL [ 2592.238938] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742800, 512, 0), dev = 2, ep = 1, dir = in [ 2592.249658] WRN:L3128(/home/hugo/qt/Smart1BSP/kernel/drivers/usb/sunxi_usb/hcd/core/sw_h cd_host.c):WRN: urb is not valid [ 2592.260888] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742c00, 512, 0), dev = 2, ep = 1, dir = in [ 2592.271603] sw_hcd_cleanup_urb: qh(0xee9aae00,0x1,0x2), urb(0xee742c00,512,0), ep(0xef095db8,2,0xee9aae00,0x (null)) [ 2592.282300] WRN:L2250(/home/hugo/qt/Smart1BSP/kernel/drivers/usb/sunxi_usb/hcd/core/sw_h cd_host.c):ERR: sw_hcd_host_rx, urb is NULL [ 2592.386993] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742800, 512, 0), dev = 2, ep = 1, dir = in [ 2592.397718] sw_hcd_cleanup_urb: qh(0xee9aae00,0x1,0x2), urb(0xee742800,512,0), ep(0xef095db8,2,0xee9aae00,0x (null)) [ 2592.414703] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742c00, 512, 0), dev = 2, ep = 1, dir = in [ 2592.425425] sw_hcd_cleanup_urb: qh(0xee9aae00,0x1,0x2), urb(0xee742c00,512,0), ep(0xef095db8,2,0xee9aae00,0x (null)) [ 2592.436163] WRN:L2250(/home/hugo/qt/Smart1BSP/kernel/drivers/usb/sunxi_usb/hcd/core/sw_h cd_host.c):ERR: sw_hcd_host_rx, urb is NULL [ 2597.606418] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742800, 512, 0), dev = 2, ep = 1, dir = in [ 2597.617146] sw_hcd_cleanup_urb: qh(0xee9aa440,0x1,0x2), urb(0xee742800,512,0), ep(0xef095db8,2,0xee9aa440,0x (null)) [ 2597.699157] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742c00, 512, 0), dev = 2, ep = 1, dir = in [ 2597.709887] sw_hcd_cleanup_urb: qh(0xee9aa440,0x1,0x2), urb(0xee742c00,512,0), ep(0xef095db8,2,0xee9aa440,0x (null)) [ 2597.720638] WRN:L2250(/home/hugo/qt/Smart1BSP/kernel/drivers/usb/sunxi_usb/hcd/core/sw_h cd_host.c):ERR: sw_hcd_host_rx, urb is NULL [ 2597.954367] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742800, 512, 0), dev = 2, ep = 1, dir = in [ 2597.965083] WRN:L3128(/home/hugo/qt/Smart1BSP/kernel/drivers/usb/sunxi_usb/hcd/core/sw_h cd_host.c):WRN: urb is not valid [ 2598.069126] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742c00, 512, 0), dev = 2, ep = 1, dir = in [ 2598.079851] sw_hcd_cleanup_urb: qh(0xee9aa3c0,0x1,0x2), urb(0xee742c00,512,0), ep(0xef095db8,2,0xee9aa3c0,0x (null)) [ 2598.090586] WRN:L2250(/home/hugo/qt/Smart1BSP/kernel/drivers/usb/sunxi_usb/hcd/core/sw_h cd_host.c):ERR: sw_hcd_host_rx, urb is NULL [ 2603.303530] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742800, 512, 0), dev = 2, ep = 1, dir = in [ 2603.314250] WRN:L3128(/home/hugo/qt/Smart1BSP/kernel/drivers/usb/sunxi_usb/hcd/core/sw_h cd_host.c):WRN: urb is not valid [ 2603.325683] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742c00, 512, 0), dev = 2, ep = 1, dir = in [ 2603.336402] sw_hcd_cleanup_urb: qh(0xee9aa4c0,0x1,0x2), urb(0xee742c00,512,0), ep(0xef095db8,2,0xee9aa4c0,0x (null)) [ 2603.347120] WRN:L2250(/home/hugo/qt/Smart1BSP/kernel/drivers/usb/sunxi_usb/hcd/core/sw_h cd_host.c):ERR: sw_hcd_host_rx, urb is NULL [ 2603.455863] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742800, 512, 0), dev = 2, ep = 1, dir = in [ 2603.466588] sw_hcd_cleanup_urb: qh(0xee9aa4c0,0x1,0x2), urb(0xee742800,512,0), ep(0xef095db8,2,0xee9aa4c0,0x (null)) [ 2603.534845] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742c00, 512, 0), dev = 2, ep = 1, dir = in [ 2603.545574] sw_hcd_cleanup_urb: qh(0xee9aa4c0,0x1,0x2), urb(0xee742c00,512,0), ep(0xef095db8,2,0xee9aa4c0,0x (null)) [ 2603.556300] WRN:L2250(/home/hugo/qt/Smart1BSP/kernel/drivers/usb/sunxi_usb/hcd/core/sw_h cd_host.c):ERR: sw_hcd_host_rx, urb is NULL [ 2608.738635] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742800, 512, 0), dev = 2, ep = 1, dir = in [ 2608.749356] WRN:L3128(/home/hugo/qt/Smart1BSP/kernel/drivers/usb/sunxi_usb/hcd/core/sw_h cd_host.c):WRN: urb is not valid [ 2608.803750] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742c00, 512, 0), dev = 2, ep = 1, dir = in [ 2608.814477] sw_hcd_cleanup_urb: qh(0xee9aaa80,0x1,0x2), urb(0xee742c00,512,0), ep(0xef095db8,2,0xee9aaa80,0x (null)) [ 2608.825166] WRN:L2250(/home/hugo/qt/Smart1BSP/kernel/drivers/usb/sunxi_usb/hcd/core/sw_h cd_host.c):ERR: sw_hcd_host_rx, urb is NULL [ 2608.995301] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742800, 512, 0), dev = 2, ep = 1, dir = in [ 2609.006019] sw_hcd_cleanup_urb: qh(0xee9aaa80,0x1,0x2), urb(0xee742800,512,0), ep(0xef095db8,2,0xee9aaa80,0x (null)) [ 2609.038092] [sw_hcd]: sw_hcd_urb_dequeue, sw_hcd(ef095cf0, 0x0, 0x3f),urb(ee742c00, 512, 0), dev = 2, ep = 1, dir = in [ 2609.048810] sw_hcd_cleanup_urb: qh(0xee9aaa80,0x1,0x2), urb(0xee742c00,512,0), ep(0xef095db8,2,0xee9aaa80,0x (null)) [ 2609.059487] WRN:L2250(/home/hugo/qt/Smart1BSP/kernel/drivers/usb/sunxi_usb/hcd/core/sw_h cd_host.c):ERR: sw_hcd_host_rx, urb is NULL Here is the fex: [usbc0] usb_used = 1 usb_port_type = 1 usb_detect_type = 0 usb_id_gpio = usb_det_vbus_gpio = usb_drv_vbus_gpio = port:PB09<1><0><default><0> usb_host_init_state = 1 [usbc1] usb_used = 1 usb_port_type = 1 usb_detect_type = 0 usb_id_gpio = usb_det_vbus_gpio = usb_drv_vbus_gpio = port:PH09<1><0><default><0> usb_host_init_state = 1 [usbc2] usb_used = 1 usb_port_type = 1 usb_detect_type = 0 usb_id_gpio = usb_det_vbus_gpio = usb_drv_vbus_gpio = port:PH03<1><0><default><0> usb_host_init_state = 1 we use sunxi 3.4 -- You received this message because you are subscribed to the Google Groups "linux-sunxi" 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