*** This bug is a duplicate of bug 1666421 ***
https://bugs.launchpad.net/bugs/1666421
** Project changed: linuxmint => linux (Ubuntu)
** This bug has been marked a duplicate of bug 1666421
kernel 4.4.0-63 with USB WLAN RTL8192CU freezes desktop
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https://bugs.launchpad.net/bugs/1666615
Title:
vmlinuz-4.4.0-63-generic kernel crashes with Realtex RTL8192CU 802.11n
WLAN Adapter
Status in linux package in Ubuntu:
New
Bug description:
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.
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