Re: NVME o nLS1046A-RDB

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On Mon, Nov 11, 2024 at 11:15:46AM +0000, Renaud Barbier wrote:
> 
> From barebox:
> -------------------
> 
> The node /dev/nvme0n1p1 does not exists only /dev/nvme0n1.
> From barebox, I saw that below once. 
> It is not repeating at present whatever the command I use:
> ERROR: ext4 ext40: probe failed: Invalid argument
> 
> 
> 
> > 
> > does "md -s /dev/nvme0n1" work as expected?
> barebox@LS1046A RDB Board:/ md -s /dev/nvme0n1
> 00000000: 00000000 00000000 00000000 00000000                ................
> 00000010: 00000000 00000000 00000000 00000000                ................
> 00000020: 00000000 00000000 00000000 00000000                ................
> ....

Ok, 0x00000000 could be correct or not. Try md -s /dev/nvme0n1 0+512, it
should give you the protective MBR at the end. Or use some other
non-empty area and verify with Linux the data is correct.

DMA issues as Ahmad mentioned is a good guess.

Sascha

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