I ran into an issue on a platform using a JFFS2 partition where the
overlayfs mount was done with tmpfs. After some investigation the issue
seemed to happen in the mount_root binary, more specifically during the
mtd_volume_identify() function.
The code does the check:
if (v->type == UBIVOLUME && deadc0de == 0xffffffff) {
return FS_JFFS2;
}
see
http://git.openwrt.org/project/fstools.git?p=project/fstools.git;a=blob;f=libfstools/mtd.c;h=156d166b5a2cc92f124852180782e5c2826be881;hb=HEAD#l215
However, in my case the volume type is NANDFLASH. Adding a v->type ==
NANDFLASH in this place, makes my system work, but I'm not entirely sure
why this deadc0de check was restricted to UBIVOLUME only?! Would a check
for NANDFLASH be acceptable here?
Regards,
Karl
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