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USB Hub crash & reconnect

Question asked by Ritesh Patel on Jun 12, 2018
Latest reply on Jun 13, 2018 by Ritesh Patel

Hi,

 

I am using TUSB4041I with an iMX6Q NXP processor on my custom board & facing an issue of USB connection stability.

USB Hub gets disconnected/crashed automatically & reconnect it. 
See the Linux Kernel Logs below:

mainboard-abo login: root
root@mainboard-abo:~# watchdog watchdog0: watchdog did not stop!
lsusb
Bus 001 Device 005: ID 10c4:ea60
Bus 001 Device 004: ID 10c4:ea60
Bus 001 Device 003: ID 1bc7:0036
Bus 001 Device 002: ID 0451:8142
Bus 001 Device 001: ID 1d6b:0002
root@mainboard-abo:~# watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
EXT4-fs (mmcblk0p2): error count since last fsck: 2
EXT4-fs (mmcblk0p2): initial error at time 1526531572: ext4_wait_block_bitmap:49 3
EXT4-fs (mmcblk0p2): last error at time 1526531676: ext4_writepages:2539
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
watchdog watchdog0: watchdog did not stop!
usb 1-1.2: USB disconnect, device number 3
cdc_acm 1-1.2:1.1: acm_submit_read_urb - usb_submit_urb failed: -19
udevd[1489]: failed to execute '/lib/udev/gpsd.hotplug.wrapper' '/lib/udev/gpsd. hotplug.wrapper': No such file or directory
cdc_ncm 1-1.2:1.12 usb0: unregister 'cdc_ncm' usb-ci_hdrc.1-1.2, CDC NCM
udevd[1490]: failed to execute '/lib/udev/gpsd.hotplug.wrapper' '/lib/udev/gpsd. hotplug.wrapper': No such file or directory
udevd[1495]: failed to execute '/lib/udev/gpsd.hotplug.wrapper' '/lib/udev/gpsd. hotplug.wrapper': No such file or directory
udevd[1493]: failed to execute '/lib/udev/gpsd.hotplug.wrapper' '/lib/udev/gpsd. hotplug.wrapper': No such file or directory
udevd[1496]: failed to execute '/lib/udev/gpsd.hotplug.wrapper' '/lib/udev/gpsd. hotplug.wrapper': No such file or directory
udevd[1497]: failed to execute '/lib/udev/gpsd.hotplug.wrapper' '/lib/udev/gpsd. hotplug.wrapper': No such file or directory
usb 1-1.2: new high-speed USB device number 7 using ci_hdrc
watchdog watchdog0: watchdog did not stop!
usb 1-1.2: new high-speed USB device number 46 using ci_hdrc
usb 1-1.2: new high-speed USB device number 47 using ci_hdrc
usb 1-1.2: new high-speed USB device number 48 using ci_hdrc
usb 1-1.2: new high-speed USB device number 49 using ci_hdrc
usb 1-1.2: new high-speed USB device number 50 using ci_hdrc
usb 1-1.2: can't set config #1, error -71
usb 1-1.2: USB disconnect, device number 50
watchdog watchdog0: watchdog did not stop!

 

What could be the reason behind this?

Awaiting your earliest response.

Thanks.

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