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Udisk connected with OTG Host is not able to access.

Question asked by Liszt Kao on Jul 5, 2015
Latest reply on Jul 29, 2015 by CarlosCasillas
Branched to a new discussion


     I'v a customed board with MX6DQ,we need to access flash disk plugged in otg-host port. However, it's freeze/hangs on while type ls command in console. Any suggestions will be appreciated.


My customed board info:

1).Android 4.4.2

2).Usb OTG ID pin has been pulled down to ground by hardware.

3).There are two of usb ports, usb1 is otg-usg port and usb2 is normal usb port.


mount command info:

/dev/fuse /mnt/media_rw/udisk fuse rw,nosuid,nodev,relatime,user_id=1023,group_id=1023,default_permissions,allow_other 0 0



service fuse_udisk /system/bin/sdcard -u 1023 -g 1023 -w 1023 -d /mnt/media_rw/udisk /storage/udisk

  class late_start




/devices/platform/fsl-ehci.0/usb1 /mnt/media_rw/udisk vfat defaults voldmanaged=udisk:auto

/devices/platform/fsl-ehci.1/usb2/2-1/2-1.1 /mnt/media_rw/udisk1 vfat defaults voldmanaged=udisk1:auto

/devices/platform/fsl-ehci.1/usb2/2-1/2-1.2 /mnt/media_rw/udisk2 vfat defaults voldmanaged=udisk2:auto

/devices/platform/fsl-ehci.1/usb2/2-1/2-1.3 /mnt/media_rw/udisk3 vfat defaults voldmanaged=udisk3:auto

/devices/platform/fsl-ehci.1/usb2/2-1/2-1.4 /mnt/media_rw/udisk4 vfat defaults voldmanaged=udisk4:auto