You have been subscribed to a public bug:
Inserting this USB Wifi dongle causes the machine to crash, if inserted
when booting it will crash when the desktop starts up (before login).
This does not happen with the previous kernel: 4.4.0-62 - if I boot that
one the machine and Wifi works; OK it is not reliable and suffers
occasional outages - ie need to disconnect/reconnect.
This is repeatable - happens every time.
mint 18.1 - 64 bit. Intel celeron N2840.
I am aware that Realtex has a very bad smell about it; but the machine should
not crash.
The adapter is packaged by Edimax n300 (EW-7722UTn V2). lsusb tells me:
ID 0bda:8178 Realtex Semiconductor Corp. RTL8192CU 802.11n WLAN Adapter
Looking at the console I see:
BUG unable to handle kernel NULL pointer dereference at 0000000048
IP: <...> rtl_lps_leave+0x17/0x50 [rtlwifi]
I have attached a (not very good) image of the console; I'll try to
attach a second one that shows a bit more.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: kernel realtex
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vmlinuz-4.4.0-63-generic kernel crashes with Realtex RTL8192CU 802.11n WLAN
Adapter
https://bugs.launchpad.net/bugs/1666615
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