NetBSD armv7 7.0 NetBSD 7.0 (CUBIETRUCK.201509250726Z) evbarm
wd0 at atabus0 drive 0
wd0: <Hitachi HUA723030ALA640>
wd0: drive supports 16-sector PIO transfers, LBA48 addressing
wd0: 2794 GB, 5814021 cyl, 16 head, 63 sec, 512 bytes/sect x 5860533168 sectors
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd0(ahcisata0:0:0): using PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133) (using DMA)
armv7# fdisk /dev/wd0
Disk: /dev/wd0
NetBSD disklabel disk geometry:
cylinders: 2, heads: 255, sectors/track: 63 (16065 sectors/cylinder)
total sectors: 32640, bytes/sector: 512
BIOS disk geometry:
cylinders: 2, heads: 255, sectors/track: 63 (16065 sectors/cylinder)
total sectors: 32640
Partitions aligned to 16065 sector boundaries, offset 63
Partition table:
0: GPT Protective MBR (sysid 238)
start 1, size 32639 (16 MB, Cyls 0/0/2-2/8/6)
PBR is not bootable: Bad magic number (0x0000)
1: <UNUSED>
2: <UNUSED>
3: <UNUSED>
No active partition.
Drive serial number: 0 (0x00000000)
armv7#
armv7# gpt show wd0
start size index contents
0 1 PMBR
1 1 Pri GPT header
2 32 Pri GPT table
34 362513
362547 32 Sec GPT table
362579 1 Sec GPT header
armv7#
I've tried manually setting the cylinders to no avail. I had recently done a lowlevel format of the drive with dd in=/dev/zero of=/dev/wd0. Before that it was working great.