This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:
apport-collect 1669815
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1669815
Title:
Kernel panic when plugging in USB Wifi USB adapter
Status in linux package in Ubuntu:
Incomplete
Bug description:
Since updating my Lubuntu 16.10 system (linux-image-4.8.0-37-generic to
linux-image-4.8.0-38-generic) the kernel panics as soon as I plug in the Wifi
adapter (Edimax EW-7612UAn Wifi USB Adapter).
The coredump logs
BUG: unable to handle kernel NULL pointer dereference @0000000000000048
IP: [<ffffffffc0786647>] rtl_lps_leave+0x17/0x50 [rtlwifi]
PGD 0
Ooops: 0000 [#1] SMP
This is followed by the Modules linked in, Hardware info, Stack trace.
At the end of the trace it says:
Kernel panic - not syncing: Fatal exception in interrupt.
I uploaded a console screenshot here: IMG_20170222_230239.jpg
and I didn't find anything suspicious in syslog or kernel log, most probably
because the kernel panics almost instantly after plugging the usb adapter in.
Updating to linux-image-4.8.0-39-generic does not solve the issue as
well.
Only way to work around the issue is to select the 4.8.0-37 image from the
grub bootmenu.
The problem is not related to a specific USB port.
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