Can you test the kernel located here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1666421/comments/7
** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Changed in: linux (Ubuntu)
Status: Incomplete => Triaged
** Tags added: kernel-da-key yakkety
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
** Changed in: linux (Ubuntu)
Status: Triaged => In Progress
** Also affects: linux (Ubuntu Yakkety)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Yakkety)
Status: New => In Progress
** Changed in: linux (Ubuntu Yakkety)
Importance: Undecided => High
** Changed in: linux (Ubuntu Yakkety)
Assignee: (unassigned) => Joseph Salisbury (jsalisbury)
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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:
In Progress
Status in linux source package in Yakkety:
In Progress
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.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1669815/+subscriptions
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