>It'd be interesting to know which one your startup is choking on.
What does it mean more precisely? The lines come from syslog and only
mention partitions:
Jan 19 09:09:33 box systemd-udevd[607]: sdg6: Failed to update device symlinks: Too many levels of symbolic links
Jan 19 09:09:33 box systemd-udevd[611]: sdc1: Failed to update device symlinks: Too many levels of symbolic links
Jan 19 09:09:33 box systemd-udevd[572]: sdc6: Failed to update device symlinks: Too many levels of symbolic links
Hm. Difficult to say. Besides, I'm a systemd analphabet.
Are those /dev/sdXX above symlinks?