I presume that Dell doesn't use the hpsa driver, but both are hanging at approximately the same time in the boot up process and the same subsystems appear to be involved... I would speculate that they have something in common that is triggering this.
This bug appears to present with similar symptoms as this bug report: https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1765232
I presume that Dell doesn't use the hpsa driver, but both are hanging at approximately the same time in the boot up process and the same subsystems appear to be involved... I would speculate that they have something in common that is triggering this.