linuxnandmarkbadblock

In Linux , run nandtest -m -p 1 /dev/mtd12, do nothing, reboot to u-boot, nand bad shows that all the NAND blocks of /dev/mtd12 are marked as bad. But if I ...

2020年9月2日 — Every NAND memory will soon all later develop bad blocks. I think it is caused by writing into memory and not by reading. There is some silicon ...

Bad block table support. Most NAND chips mark the bad blocks at a defined position in the spare area. Those blocks must not be erased under any circumstances ...

Most NAND chips mark the bad blocks at a defined position in the spare area. Those blocks must not be erased under any circumstances as the bad block ...

Hi, I'm developing a mtd driver for a nand flash controller and I need help; I'm to the end of the work, and I have problems and dubts about bad block ...

2016年4月25日 — Even when new, NAND devices may have bad blocks. A bad block may be a block that has a bit failure or cannot erase properly.

view, bad blocks are blocks which don't meet the specs of the component. This can be for instance that some physical defect on the chip renders a block useless, ...

Nand flash manufactory will mark the bad block with one flag in the spare area of nand flash out of factory. This bad block is what we called initial bad block.

2019年9月24日 — The bad blocks have been forgotten - the marker code was not applied persistently ? Granted, this U-boot version seems rather old. Has the nand ...

2016年11月8日 — I write software and can see the bad blocks being skipped in the process. NAND write: device 0 offset 0x5e0000, size 0x16c0000. Skip bad block ...