I've got 4 partitions successfully on my n950 by moslo. I've put sailfish(vgrade-sailfish_r5.1.tar.bz2) on the 4th partiton
Mar 29 16:19:46 (none) user.notice root: O_COMMAND_LINE: init=/sbin/preinit root=/dev/mmcblk0p2 rootwait rootflags=errors=remount-ro rootfstype=ext4 rw mtdoops.mtddev=log mtdoops.record_size=65536 console=tty0 mtdparts=omap2-onenand:1024k(bootloader),2816k@1024k(config