router nand flash woops

jffs2: jffs2_flush_wbuf(): Write failed with -5
jffs2: Recovery of wbuf succeeded to 027e0000
jffs2: Write of 131 bytes at 0x02814ff8 failed. returned -5, retlen 0
jffs2: Not marking the space at 0x02814ff8 as dirty because the flash driver returned retlen zero
jffs2: jffs2_flush_wbuf(): Write failed with -5
jffs2: Recovery of wbuf succeeded to 02b40000
jffs2: Write of 126 bytes at 0x02b6ffb0 failed. returned -5, retlen 0
jffs2: Not marking the space at 0x02b6ffb0 as dirty because the flash driver returned retlen zero
jffs2: jffs2_flush_wbuf(): Write failed with -5
jffs2: Write of 72 bytes at 0x00398ff0 failed. returned -5, retlen 0
jffs2: Not marking the space at 0x00398ff0 as dirty because the flash driver returned retlen zero
jffs2: jffs2_flush_wbuf(): Write failed with -5
jffs2: Recovery of wbuf succeeded to 01bc0000
jffs2: Write of 129 bytes at 0x01547fc4 failed. returned -5, retlen 0
jffs2: Not marking the space at 0x01547fc4 as dirty because the flash driver returned retlen zero
jffs2: jffs2_flush_wbuf(): Write failed with -5
jffs2: Recovery of wbuf succeeded to 02740000
jffs2: Write of 512 bytes at 0x02778770 failed. returned -5, retlen 0
jffs2: Not marking the space at 0x02778770 as dirty because the flash driver returned retlen zero
jffs2: jffs2_flush_wbuf(): Write failed with -5
jffs2: Recovery of wbuf succeeded to 01f20000
jffs2: Write of 456 bytes at 0x0243ae90 failed. returned -5, retlen 0
jffs2: Not marking the space at 0x0243ae90 as dirty because the flash driver returned retlen zero
jffs2: jffs2_flush_wbuf(): Write failed with -5
jffs2: Recovery of wbuf succeeded to 006c0000
jffs2: Write of 71 bytes at 0x008ee7e4 failed. returned -5, retlen 0
jffs2: Not marking the space at 0x008ee7e4 as dirty because the flash driver returned retlen zero
jffs2: jffs2_flush_wbuf(): Write failed with -5
jffs2: Recovery of wbuf succeeded to 017a0000
jffs2: Write of 131 bytes at 0x052b5800 failed. returned -5, retlen 0
jffs2: Not marking the space at 0x052b5800 as dirty because the flash driver returned retlen zero
jffs2: jffs2_flush_wbuf(): Write failed with -5
jffs2: Write of 125 bytes at 0x048ef7d0 failed. returned -5, retlen 0
jffs2: Not marking the space at 0x048ef7d0 as dirty because the flash driver returned retlen zero
jffs2: warning: (28591) jffs2_sum_write_data: Write of 23428 bytes at 0x0369a47c failed. returned -5, retlen 0