On Thu, Nov 07, 2024 at 04:01:05PM +0100, Nam Cao wrote:
> extlinux_read_bootflow() allocates a buffer to read from file system
> without any alignment.
>
> But for some block devices which transfer data via DMA, ARCH_DMA_MINALIGN
> alignment is required. For example, due to misaligned buffer, the below
> boot failure is observed.
>
> => boot
> CACHE: Misaligned operation at range [9efa25f8, 9efa27f8]
> CACHE: Misaligned operation at range [9efa25f8, 9efa27f8]
> CACHE: Misaligned operation at range [9efa25f8, 9efa27f8]
> CACHE: Misaligned operation at range [9efa25f8, 9efa27f8]
> ** Booting bootflow 'mmc@2194000.bootdev.part_1' with extlinux
> Ignoring unknown command: �D���D��
> Boot failed (err=-14)
>
> Change the buffer alignment to ARCH_DMA_MINALIGN.
>
> Fixes: 31aefaf89a5b ("bootstd: Add an implementation of distro boot")
> Signed-off-by: Nam Cao <nam...@linutronix.de>
> Tested-by: Javier Fernandez Pastrana <javier.pastr...@linutronix.de>Applied to u-boot/master, thanks! -- Tom
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