I am having similar issues on 16.04. My wifi keeps dropping and I have to select my SSID to reconnect multiple times a day. I am seeing errors in journalctl that show a firmware error. (attahcing part of journalctl)
hhernandez@hhernandez-Precision-M4800:~$ sudo lshw -C network [sudo] password for hhernandez: *-network description: Ethernet interface product: Ethernet Connection I217-LM vendor: Intel Corporation physical id: 19 bus info: pci@0000:00:19.0 logical name: eno1 version: 04 serial: 20:47:47:be:e2:a3 capacity: 1Gbit/s width: 32 bits clock: 33MHz capabilities: pm msi bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=e1000e driverversion=3.2.6-k firmware=0.13-3 latency=0 link=no multicast=yes port=twisted pair resources: irq:28 memory:f7100000-f711ffff memory:f7139000-f7139fff ioport:f040(size=32) *-network description: Wireless interface product: Wireless 7260 vendor: Intel Corporation physical id: 0 bus info: pci@0000:03:00.0 logical name: wlp3s0 version: bb serial: ac:fd:ce:87:67:3e width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwlwifi driverversion=4.4.0-22-generic firmware=16.242414.0 ip=192.168.254.38 latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn resources: irq:32 memory:f7000000-f7001fff ** Attachment added: "iwifi_error.txt" https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1568815/+attachment/4693739/+files/iwifi_error.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-firmware in Ubuntu. https://bugs.launchpad.net/bugs/1568815 Title: iwlwifi 3160 regression - wifi is unstable, bluetooth does not work anymore Status in linux-firmware package in Ubuntu: Confirmed Bug description: With the latest upgrade, the wireless card it is not working anymore as it should. The problems: 1. Wireless connection signal is extremely weak. Other laptop in the same room can connect to the wireless with full signal. 2. The bluetooth is not anymore operational. No Bluetooth hardware component is found. I had successfully used the bluetooth on this laptop, connecting it to a bluetooth mouse before with no problem. This is the output of lshw ``` mattions@apollo:~$ sudo lshw -C network [sudo] password for mattions: *-network description: Wireless interface product: Wireless 3160 vendor: Intel Corporation physical id: 0 bus info: pci@0000:01:00.0 logical name: wlp1s0 version: 83 serial: 78:0c:b8:6b:57:ec width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwlwifi driverversion=4.2.0-35-generic firmware=25.17.12.0 ip=192.168.1.35 latency=0 link=yes multicast=yes wireless=IEEE 802.11abgn resources: irq:127 memory:df000000-df001fff ``` ProblemType: Bug DistroRelease: Ubuntu 15.10 Package: linux-firmware 1.149.3 ProcVersionSignature: Ubuntu 4.2.0-35.40-generic 4.2.8-ckt5 Uname: Linux 4.2.0-35-generic x86_64 ApportVersion: 2.19.1-0ubuntu5 Architecture: amd64 CurrentDesktop: Unity Date: Mon Apr 11 12:29:55 2016 Dependencies: EcryptfsInUse: Yes InstallationDate: Installed on 2016-01-27 (74 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) PackageArchitecture: all SourcePackage: linux-firmware UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/1568815/+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