[meta-xilinx] devtmpfs: error mounting -2

[Emily S]

Hi All -

I'm using Yocto version rocko with a custom layer to run on the Zynq+ SoC
on a custom board. When trying to boot I'm getting an error like:

[    4.178864] devtmpfs: error mounting -2

in the boot output. Even after rolling back to a previous working version I
still get this error in the boot output. After this error, the boot process
seems to stop, and I am directly given a terminal input, but no login, or
anything. The /dev and /proc folders seem to be missing as does
specifically /etc/network/ among others.

I'm booting from an SD card and flashing it using a wic image made with the
"sdimage-bootpart.wks" from yocto. This method has worked fine before now.

Are there obvious things I should check to make sure devtmpfs can be
mounted properly? I have not messed with bootargs or anything since the
working version of the OS, so I'm not sure why I am suddenly seeing this
error.

A comparison output from the working OS and the bad OS can be seen below.
Any ideas are greatly appreciated!

Thanks,
Emily

*Bad OS: *
[    4.125754] EXT4-fs (mmcblk0p2): couldn't mount as ext3 due to feature
incompatibilities
[    4.163579] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data
mode. Opts: (null)
[    4.171613] VFS: Mounted root (ext4 filesystem) on device 179:2.
[    4.178864] devtmpfs: error mounting -2
[    4.182766] Freeing unused kernel memory: 640K (ffffffc000d20000 -
ffffffc000dc0000)
/bin/sh: can't access tty; job control turned off
/ #

*Working OS: *
[    4.089697] EXT4-fs (mmcblk0p2): couldn't mount as ext3 due to feature
incompatibilities
[    5.324662] EXT4-fs (mmcblk0p2): recovery complete
[    5.404047] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data
mode. Opts: (null)
[    5.412083] VFS: Mounted root (ext4 filesystem) on device 179:2.
[    5.418084] devtmpfs: mounted
[    5.421106] Freeing unused kernel memory: 512K (ffffffc000c10000 -
ffffffc000c90000)

... (boot continues)
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