[FS#203] Sysupgrade fails ea8500

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - Sebastian (karto) 

Attached to Project - LEDE Project
Summary - Sysupgrade fails ea8500
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - High
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - root at lede:~# cat /etc/openwrt_version
r1535
root at lede:~# uname -a
Linux lede 4.4.19 #0 SMP PREEMPT Thu Sep 8 13:28:39 2016 armv7l GNU/Linux

root at lede:/tmp# sysupgrade -n -v lede-ipq806x-EA8500-squashfs-sysupgrade.tar
Sending TERM to remaining processes ... ubusd askfirst logd netifd odhcpd crond                                                                  smbd nmbd ntpd vnstatd dnsmasq
Sending KILL to remaining processes ... askfirst
Switching to ramdisk...
Performing system upgrade...
Unlocking kernel1 ...

Writing from  to kernel1 ...
UBI device number 1, total 296 LEBs (37584896 bytes, 35.8 MiB), available 0 LEBs                                                                  (0 bytes), LEB size 126976 bytes (124.0 KiB)
ubimkvol: error!: UBI device does not have free logical eraseblocks
cannot create rootfs volume
libubi: error!: "/dev/" is not a character device
ubiupdatevol: error!: error while probing "/dev/"
              error 22 (Invalid argument)
sysupgrade successful
umount: can't unmount /dev/pts: Resource busy
umount: can't unmount /dev: Resource busy
umount: can't unmount /tmp: Resource busy



after restarting the device is still the same version Lede

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=203