Arcadyan , ARV452CPW jffs2 problem

[springtales]

I have Arcadyan , arv452cqw ( Arcor 801 ) router , at the first boot after install this image
https://archive.openwrt.org/attitude_adjustment/12.09/lantiq/danube/openwrt-lantiq-danube-ARV452CPW-squashfs.image

I got this errors

 jffs2: Flash size not aligned to erasesize, reducing to 1024KiB
[   32.384000] jffs2_scan_eraseblock(): End of filesystem marker found at 0x0
[   32.392000] jffs2_build_filesystem(): unlocking the mtd device... done.
[   32.396000] jffs2_build_filesystem(): erasing all blocks after the end marker... 
[   32.404000] Erase at 0x000e0000 failed immediately: -EROFS. Is the sector locked?
[   32.416000] Erase at 0x000c0000 failed immediately: -EROFS. Is the sector locked?
[   32.424000] Erase at 0x000a0000 failed immediately: -EROFS. Is the sector locked?
[   32.432000] Erase at 0x00080000 failed immediately: -EROFS. Is the sector locked?
[   32.440000] Erase at 0x00060000 failed immediately: -EROFS. Is the sector locked?
[   32.456000] Erase at 0x00040000 failed immediately: -EROFS. Is the sector locked?

and can not save any setting , the system in read only mode , please I need help to solve this problem .

thanks

[springtales]

I just solved this problem by make erase all the flash by u-boot and install new image again and the device now is stable and have jffs partition after flash art partiton again to the flash memory the wifi returned again to work .

thanks