Bagas Sanjaya [off-list ref] writes:
quoted
These are the drivers being loaded:
rt2800usb 36864 0
rt2x00usb 24576 1 rt2800usb
rt2800lib 122880 1 rt2800usb
rt2x00lib 77824 3 rt2800usb,rt2x00usb,rt2800lib
mac80211 811008 3 rt2x00lib,rt2x00usb,rt2800lib
cfg80211 724992 2 rt2x00lib,mac80211
I don't see rt2800usb module in the mainline kernel. Is it out-of-tree?
(no wonder why it taints your kernel)
I'm guessing it's this driver:
drivers/net/wireless/ralink/rt2x00/Makefile:obj-$(CONFIG_RT2800USB) += rt2800usb.o
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