removing external usb hdd without unmounting causes reboot?

[M. Warner Losh]

In message: <20070718145954.GX36311 at gremlin.foo.is>
            Baldur Gislason <baldur at foo.is> writes:
: I vaguely remember being able to yank out USB drives in 5.x and just make
: usbd execute a forced umount without any problems. FAT32 drives mind you.
: On 6.2 I haven't even been able to unplug a USB drive even if I unmount it
: first, always results in a kernel panic.

This has never worked.  Not even on 5.x.  Or 4.10.  I've tested these
both recently accidentally...

Warner