Adolfo Delorenzo 31aac701db debug(arm64): use /dev/vda4 directly instead of LABEL=KSOLODATA ...

piCore64's blkid/findfs binaries (separate util-linux dynamics, NOT busybox
symlinks) crash in QEMU virt with the same instruction-abort issue as the
broken BusyBox. The host's static busybox doesn't include blkid/findfs
applets either, so stage 20-persistent-mount.sh segfaults in a loop trying
to resolve LABEL=KSOLODATA.

Short-term: hardcode /dev/vda4 (the virtio data partition under QEMU) so
the boot can progress past stage 20 and we can see what else needs fixing.

Pre-v0.3 release we need to either:
  a) ship a real blkid/findfs binary that works (util-linux from upstream,
     statically built), or
  b) avoid LABEL= entirely and detect the data partition by walking
     /sys/class/block looking for our ext4 magic+label.

Either way the LABEL= path needs to work on real ARM64 hosts where the
device path varies (vda/sda/nvme0n1).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-14 15:47:55 -06:00

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