If a process attempts to open a floppy tape device when the device has been configured in the kernel, but did not probe and attach on bootup, then a panic will occur. Fix: Apply the following diffs to ft.c: How-To-Repeat: Configure a kernel with floppy tape, boot it on a machine without a floppy tape drive, and try to open a floppy tape device.
State Changed From-To: open->closed This fix will stop the panics. The fact that the panics were induced by making th attach disabled by default needs review