[FS#821] sysupgrade doesn't work on Linksys WRT3200ACM (mvebu)

[LEDE Bugs]

The following task has a new comment added:

FS#821 - sysupgrade doesn't work on Linksys WRT3200ACM (mvebu)
User who did this - Jo-Philipp Wich (jow-)

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Yes and even if it is supposed to be persistently mounted, then /tmp/syscfg as mountpoint is an odd choice... Maybe its worth moving it to /var/lib/syscfg or something.
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=821#comment2725