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debug(arm64): use /dev/vda4 directly instead of LABEL=KSOLODATA
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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>
This commit is contained in:
Adolfo Delorenzo
2026-05-14 15:47:55 -06:00
parent 06e12a79bd
commit 31aac701db
1 changed files with 3 additions and 3 deletions
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6
build/grub/grub-arm64.cfg
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@@ -64,13 +64,13 @@ fi
menuentry "KubeSolo OS (${slot_label})" { menuentry "KubeSolo OS (${slot_label})" {
echo "Booting KubeSolo OS from ${slot_label}..." echo "Booting KubeSolo OS from ${slot_label}..."
echo "Boot counter: ${boot_counter}, Boot success: ${boot_success}" echo "Boot counter: ${boot_counter}, Boot success: ${boot_success}"
linux /vmlinuz init=/sbin/init kubesolo.data=LABEL=KSOLODATA console=ttyS0,115200 console=ttyAMA0,115200 linux /vmlinuz init=/sbin/init kubesolo.data=/dev/vda4 console=ttyS0,115200 console=ttyAMA0,115200
initrd /kubesolo-os.gz initrd /kubesolo-os.gz
} }
menuentry "KubeSolo OS (${slot_label}) — Debug Mode" { menuentry "KubeSolo OS (${slot_label}) — Debug Mode" {
echo "Booting KubeSolo OS (debug) from ${slot_label}..." echo "Booting KubeSolo OS (debug) from ${slot_label}..."
linux /vmlinuz kubesolo.data=LABEL=KSOLODATA kubesolo.debug console=ttyS0,115200 console=ttyAMA0,115200 linux /vmlinuz kubesolo.data=/dev/vda4 kubesolo.debug console=ttyS0,115200 console=ttyAMA0,115200
initrd /kubesolo-os.gz initrd /kubesolo-os.gz
} }
@@ -88,6 +88,6 @@ menuentry "KubeSolo OS — Boot Other Slot" {
set root='(hd0,gpt2)' set root='(hd0,gpt2)'
echo "Booting from System A (passive)..." echo "Booting from System A (passive)..."
fi fi
linux /vmlinuz kubesolo.data=LABEL=KSOLODATA kubesolo.debug console=ttyS0,115200 console=ttyAMA0,115200 linux /vmlinuz kubesolo.data=/dev/vda4 kubesolo.debug console=ttyS0,115200 console=ttyAMA0,115200
initrd /kubesolo-os.gz initrd /kubesolo-os.gz
} }