LinuxAM3354: NAND bad block management

This document describes the on-FLASH data structures that OLPC uses to maintain NAND FLASH bad-block information. It is a specific subcase of ... OLPC NAND Bad Block... · Bad Block Table Location · Bad Block Table Format

Is there any user space tool that can retrieve and dump the list of bad blocks in a NAND flash device? I've checked the mtdinfo command line utility.

由晶圓經過檢測、切割、封裝等眾多流程才會封裝成NAND Flash顆粒(NAND Flash晶片)；在這過程中，NAND Flash顆粒裡面可能會產生壞塊，這類壞塊由於技術因素無可避免。 後期增長 ...

Due to the working mechanism of bad block management (Bad Block Management) in the NAND Flash driver under the Linux kernel MTD architecture ...

I was recently trying to study how AM3354 linux BSP works on the nand flash bad block management. we are using AM3354 and we are using kernel 4.4.32 extracted ...

So my opinion is that dd on a nand flash chip with ubifs may write data to a bad block/sector, is it right? Your premise about MTD is incorrect, ...

Online forums may recommend use of command called 'nand scrub', which will erase 'bad' markings from BBT and if any application tries to read/write that block ...

Nand flash will have some invalid blocks which is what we called bad blocks. This invalid bad block can't be used to store data because it's not stable . Software should avoid using these invalid blocks by means of checking the bad block first. If it

factory-bad: 指的是出廠就已經出現問題的bad block; worn-out: 即使用多次erase 後導致的bad block. ECC / OOB. ECC 就是所謂 ... Nand flash 的基本知識 · flash 的種類 · Page and block and related...

The nand driver supports various types of bad block tables. Per device The bad block table contains all bad block information of the device which can consist ...