UDEV [142.189706] add /module/megaraid_sas (module) ACTION=add DEVPATH=/module/megaraid_sas SEQNUM=3312 SUBSYSTEM=module UDEV_LOG=3 USEC_INITIALIZED=142189602 KERNEL[284.293498] add /bus/pci/drivers/megaraid_sas (drivers) ACTION=add DEVPATH=/bus/pci/drivers/megaraid_sas SEQNUM=3313 SUBSYSTEM=drivers UDEV_LOG=3 UDEV [248.294968] add /bus/pci/drivers/megaraid_sas (drivers) ACTION=add DEVPATH=/bus/pci/drivers/megaraid_sas SEQNUM=3313 SUBSYSTEM=drivers UDEV_LOG=3 USEC_INITIALIZED=284293882
Udev stopped supporting loading any firmware from userspace quite a while ago. It is all handled inside the kernel. Firmware loading in general has no know problems, I expect you need to take a look at the kernel driver to find the problem.
Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.