I think I am hitting this as well. Upgraded from 16.04, to 16.10. The kernel that is installed is 4.8.0-26-generic I also have an nVidia GPU. Some strange behavior I noticed, however. If I boot into the recovery kernel for 4.8.0-26, and choose 'Fix broken packages', it hangs at a certain point (don't recall off-hand where). But if I throw sigint/^c/ctrl+c, the normal boot process starts and eventually drops me into multi-user mode in xfce and I can work normally, and running 4.8.0-26. So this is a possible work around? Lenovo ThinkStation C30 :~$ hwinfo --short cpu: Intel(R) Xeon(R) CPU E5-2609 v2 @ 2.50GHz, 2500 MHz Intel(R) Xeon(R) CPU E5-2609 v2 @ 2.50GHz, 2500 MHz Intel(R) Xeon(R) CPU E5-2609 v2 @ 2.50GHz, 2500 MHz Intel(R) Xeon(R) CPU E5-2609 v2 @ 2.50GHz, 2500 MHz keyboard: IBM NetVista Full Width Keyboard mouse: Lenovo USB Optical Mouse graphics card: nVidia GK107GL [Quadro K600] sound: nVidia GK107 HDMI Audio Controller Intel C600/X79 series chipset High Definition Audio Controller Microsoft LifeChat LX-3000 Headset storage: Intel C604/X79 series chipset 4-Port SATA/SAS Storage Control Unit Intel C600/X79 series chipset 6-Port SATA AHCI Controller Intel C600/X79 series chipset IDE-r Controller network: eth0 Intel 82579LM Gigabit Network Connection enp6s0 Intel Gigabit CT Desktop Adapter network interface: vmnet1 Ethernet network interface enp6s0 Ethernet network interface vmnet8 Ethernet network interface lo Loopback network interface eth0 Ethernet network interface disk: /dev/ram11 Disk /dev/ram2 Disk /dev/ram0 Disk /dev/ram9 Disk /dev/ram7 Disk /dev/ram14 Disk /dev/ram5 Disk /dev/ram12 Disk /dev/ram3 Disk /dev/ram10 Disk /dev/ram1 Disk /dev/sda SEAGATE ST3300657SS /dev/ram8 Disk /dev/ram15 Disk /dev/ram6 Disk /dev/ram13 Disk /dev/ram4 Disk partition: /dev/sda1 Partition /dev/sda2 Partition /dev/sda5 Partition cdrom: /dev/sr0 MATSHITA DVD-RAM SW830 usb controller: Renesas uPD720201 USB 3.0 Host Controller Intel C600/X79 series chipset USB2 Enhanced Host Controller #2 Intel C600/X79 series chipset USB2 Enhanced Host Controller #1 bios: BIOS bridge: Intel 82801 PCI Bridge Intel Xeon E7 v2/Xeon E5 v2/Core i7 DMI2 Intel Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 3a Intel Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 1b Intel C600/X79 series chipset PCI Express Virtual Root Port Intel C600/X79 series chipset PCI Express Root Port 5 Intel Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 2a Intel C600/X79 series chipset PCI Express Root Port 1 Intel C600/X79 series chipset LPC Controller Intel Xeon E7 v2/Xeon E5 v2/Core i7 PCI Express Root Port 1a hub: Intel Integrated Rate Matching Hub Linux Foundation 2.0 root hub Linux Foundation 2.0 root hub Linux Foundation 3.0 root hub Genesys Logic 4-port hub Intel Integrated Rate Matching Hub Linux Foundation 2.0 root hub memory: Main Memory unknown: FPU DMA controller PIC Keyboard controller Intel Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 RAS Registers Intel Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 2 Intel Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 0 Intel C600/X79 series chipset SMBus Host Controller Intel Xeon E7 v2/Xeon E5 v2/Core i7 UBOX Registers Intel Xeon E7 v2/Xeon E5 v2/Core i7 QPI Ring Registers Intel Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 ERROR Registers 0 Intel Xeon E7 v2/Xeon E5 v2/Core i7 QPI Link 0 Intel Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers Intel Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 0 Intel C600/X79 series chipset KT Controller Intel Xeon E7 v2/Xeon E5 v2/Core i7 Home Agent 0 Intel Xeon E7 v2/Xeon E5 v2/Core i7 Broadcast Registers Intel Xeon E7 v2/Xeon E5 v2/Core i7 R2PCIe Intel Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers Intel Xeon E7 v2/Xeon E5 v2/Core i7 IOAPIC Intel Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 ERROR Registers 3 Intel Xeon E7 v2/Xeon E5 v2/Core i7 System Address Decoder Intel Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 3 Intel C600/X79 series chipset Thermal Management Controller Intel Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers Intel Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers Intel Xeon E7 v2/Xeon E5 v2/Core i7 IIO RAS Intel Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 3 Intel Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 1 Intel Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Target Address/Thermal Registers Intel Xeon E7 v2/Xeon E5 v2/Core i7 VTd/Memory Map/Misc Intel Xeon E7 v2/Xeon E5 v2/Core i7 QPI Ring Performance Ring Monitoring Intel Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 ERROR Registers 1 Intel Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers Intel Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 Thermal Control 1 Intel Xeon E7 v2/Xeon E5 v2/Core i7 UBOX Registers Intel Xeon E7 v2/Xeon E5 v2/Core i7 R2PCIe Intel Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers Intel Xeon E7 v2/Xeon E5 v2/Core i7 QPI Link 1 Intel Xeon E7 v2/Xeon E5 v2/Core i7 Home Agent 0 Intel Xeon E7 v2/Xeon E5 v2/Core i7 Broadcast Registers Intel Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder Registers Intel Xeon E7 v2/Xeon E5 v2/Core i7 Unicast Registers Intel C600/X79 series chipset MEI Controller #1 Intel Xeon E7 v2/Xeon E5 v2/Core i7 Integrated Memory Controller 1 Channel 0-3 ERROR Registers 2 Intel Xeon E7 v2/Xeon E5 v2/Core i7 Power Control Unit 2 Serial controller Microsoft LifeChat LX-3000 Headset