From the dracut shell, plug a USB in and run these commands - take a photo of the screen and post it here. Or stick it on the net somewhere if you don't have authority yet to post attachments. From my test just now, getting the rdsosreport (note the spelling) onto a USB will be harder than it should be. I got no device nodes built after plugging in a USB.
dmesg | sed -e :a -e '$q;N;16,$D;ba'
Be careful with the second one - it looks arcane, but it needs all those (weird) characters - and spaces - in that order.