[FS#278] Linksys WRT3200ACM Sysupgrade error

[LEDE Bugs]

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

User who did this - killsky (killsky) 

Attached to Project - LEDE Project
Summary - Linksys WRT3200ACM Sysupgrade error
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Medium
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - Linksys WRT3200ACM
image date:08-Nov-2016 19:48 

root at LEDE:/tmp# sysupgrade -c lede-mvebu-linksys-wrt1900ac-squashfs-sysupgrade.bin
Saving config files...
killall: watchdog: no process killed
Sending TERM to remaining processes ... logd rpcd netifd odhcpd crond dnscrypt-proxy uhttpd smbd nmbd collectd dnsmasq ntpd fan_monitor vnstatd sleep ubusd askfirst
Sending KILL to remaining processes ... askfirst
Switching to ramdisk...
Performing system upgrade...
cannot find target partition

More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=278