I installed the kernel 4.4.0 provided by jsalisbury. This works for me: $ uname -a Linux media-desktop 4.4.0-64-generic #85~lp1666421 SMP Wed Feb 22 21:37:35 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
$ lsusb | grep "Edimax" Bus 001 Device 002: ID 7392:7822 Edimax Technology Co., Ltd $ ifconfig wlx74da3894b952 wlx74da3894b952: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.1.52 netmask 255.255.255.0 broadcast 192.168.1.255 ether 74:da:38:94:b9:52 txqueuelen 1000 (Ethernet) RX packets 3327 bytes 2122333 (2.1 MB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 2755 bytes 370569 (370.5 KB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 I don't know much about the different kernel versions. Would It be possible to apply the modification to the 4.8.0 kernel as well, so I can test that, too? I tested * booting without device attached, then attaching it after boot. * booting with device attached. Both works fine. Should I test anything else? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. 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 -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp