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From: Jacob Kroon <jacob.kroon@gmail.com>
To: openembedded-core@lists.openembedded.org, bruce.ashfield@gmail.com
Subject: linux-yocto: Set CONFIG_ATA_PIIX=y by default
Date: Sat, 16 Oct 2021 09:18:47 +0200	[thread overview]
Message-ID: <c256053f-1b9e-376e-4159-223c9f261407@gmail.com> (raw)

Hi Bruce,

My Yocto images (which uses the linux-yocto kernel) stopped booting in 
QEMU some time ago, and after some debugging it turns out this was 
because the upstream Linux kernel removed the legacy IDE driver. Instead 
one should use the libata driver. However, I don't think the linux-yocto 
kernel has builtin support for the HW that is emulated by QEMU by 
default (PIIX), instead it is built as a module, CONFIG_ATA_PIIX=m. If I 
set CONFIG_ATA_PIIX=y, my images boot again.

I did a "make ARCH=i386 defconfig" in Torvalds master linux tree, and 
the .config has CONFIG_ATA_PIIX=y.

Do you think it would make sense to have the support builtin in 
linux-yocto aswell ?

Regards Jacob


                 reply	other threads:[~2021-10-16  7:18 UTC|newest]

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