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Can qemu-system-aarch64 boot a Linux kernel with 16K PAGE_SIZE?


From: Karim Manaouil
Subject: Can qemu-system-aarch64 boot a Linux kernel with 16K PAGE_SIZE?
Date: Wed, 31 Aug 2022 16:49:58 +0100

Hi,

I compiled Linux v6-rc3 for aarch64 using 16K pages (CONFIG_ARM64_64K_PAGES=y)
but it doesn't seem to boot with qemu-system-aarch64 (no logs appear. However,
it boots fine with 4K and 64K pages).

I use the following command:

qemu-system-aarch64 \
       -machine virt \
       -cpu cortex-a72 \
       -smp 4 \
       -m 2G \
       -kernel $ARM_KERNEL \
       -append "root=/dev/vda rw console=ttyAMA0 earlyprintk=serial" \
       -hda $DISK_IMG
       -nographic

Then just a blank screen.

Thus, the question is, can qemu-system-aarch64 boot a Linux kernel compiled with 16K pages?

Host: Debian 10 (Buster)
Host kernel: Linux v5.16.0
Qemu version: QEMU emulator version 3.1.0

Cheers
Karim

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