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"cannot mount root, error = 79"


I have two NetBSD machines: one with NetBSD 5.99.16 (amd64), the other
with NetBSD 5.0.1 (i386).
I cross-compiled a new kernel on the amd64 machine for the i386,
and copy the binary (netbsd) to the i386 machine.

When booting with the new kernel, it printed the following message.
wd0 at atabus0 drive 0: <INTEL SSDSA2MH080G1HP>
wd0: drive supports 16-sector PIO transfers, LBA48 addressing
wd0: 76319 MB, 155061 cyl, 16 head, 63 sec, 512 bytes/sect x 156301488 sectors
wd0: 32-bit data port
wd0: drive supports PIO mode 4, DMA mode 2, Ultra-DMA mode 6 (Ultra/133)
wd0(piixide0:0:0): using PIO mode 4, Ultra-DMA mode 6 (Ultra/133) (using DMA)
Kernelized RAIDframe activated
pad0: outputs: 44100Hz, 16-bit, stereo
audio1 at pad0: half duplex
hpqlb0: registering on wskbd0
boot device: wd0
root on wd0a dumps on wd0b
no file system for wd0 (dev 0x0)
cannot mount root, error = 79
root device (default wd0a): ubt0 at uhub2 port 1
ubt0: Broadcom Corp HP Integrated Module, rev 2.00/1.00, addr 2

dump device (default wd0b):

Why does it fail to find a file system on wd0.
It must exist because it can boot with the older kernel (NetBSD 5.0.1).

I followed the instructions at

Thanks in advance.


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