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Opened 3 years ago

#18804 new enhancement

Warn when creating an image with rootfs_data size of less than 320KiB

Reported by: openwrt@… Owned by: developers
Priority: normal Milestone:
Component: toolchain Version: Trunk
Keywords: Cc:

Description

JFFS2 needs a device size of at least 5*block_erase_size (=5*64KiB on most devices). If you make a sysupgrade image (e.g. using Image Builder) that doesn't leave enough space and then flash it, everything seems fine until you reboot and your configuration is gone because rootfs_data could not be mounted to restore the configuration after flashing.

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