According to the stack trace (which I only have as the attached image) it's a Nnull pointer at 000048 from rtl_lps_leave+0x17/0x50
The first two parts of the call trace are: setup_arp_tx.isra.22+0x4d/0x60 [rtlwifi] rtl_is_special_data+0x14a/0x160 [rtlwifi] ** Attachment added: "stack trace on 4.4.0-63" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1666421/+attachment/4823264/+files/DSC_0185.JPG -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1666421 Title: kernel 4.4.0-63 with USB WLAN RTL8192CU freezes desktop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1666421/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
