Ubuntu 16.04 xenial Intermittently Freezes

Support & Help Requests
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#1

Every once in a while (just often enough to be very annoying) my laptop will just freeze. I can see everything on the screen, no changes between the laptop working and it freezing…and it will simply freeze in such a way that i can’t use the mouse, keyboard, or anything else.

$ inxi -ACDMNSG returns the following…

System: Host: larry-ThinkPad-E555 Kernel: 4.4.0-28-generic x86_64 (64 bit)
Desktop: MATE 1.12.1 Distro: Ubuntu 16.04 xenial
Machine: System: LENOVO (portable) product: 20DH002QUS v: ThinkPad E555
Mobo: LENOVO model: 20DH002QUS v: SDK0E50510 WIN
Bios: LENOVO v: HTET45WW (1.17 ) date: 07/16/2015
CPU: Dual core AMD A6-7000 Radeon R4 5 Compute Cores 2C+3G (-MCP-) cache: 2048 KB
clock speeds: max: 2200 MHz 1: 1300 MHz 2: 1900 MHz
Graphics: Card: Advanced Micro Devices [AMD/ATI] Kaveri [Radeon R4 Graphics]
Display Server: X.Org 1.18.3 drivers: ati,radeon (unloaded: fbdev,vesa)
Resolution: [email protected]
GLX Renderer: Gallium 0.4 on AMD KAVERI (DRM 2.43.0, LLVM 3.8.0)
GLX Version: 3.0 Mesa 11.2.0
Audio: Card-1 Advanced Micro Devices [AMD] FCH Azalia Controller
driver: snd_hda_intel
Card-2 Advanced Micro Devices [AMD/ATI] Kaveri HDMI/DP Audio Controller
driver: snd_hda_intel
Sound: Advanced Linux Sound Architecture v: k4.4.0-28-generic
Network: Card-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
driver: r8169
Card-2: Realtek RTL8723BE PCIe Wireless Network Adapter
driver: rtl8723be
Drives: HDD Total Size: 500.1GB (13.0% used)
ID-1: /dev/sda model: MKNSSDCR500GB size: 500.1GB

#2

Hi Larry

Have you checked to see if this is swap kicking in? In terminal:

free -m

#3

Hi @larryb,

have you done a full system update?:

Have you installed any ATI/AMD drivers as they can be problematic at the moment?:

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#4

I can’t check the swap because when it freezes i can’t do anything…even access the terminal.

#5

I just now went through the Welcome screen and fixed some stuff with the software as in the website that you linked to…some broken packages, dependencies, etc.

I am using a proprietary driver:
Processor microcode firmware for AMD CPUs from amd64-microcode

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#6

Okay but is it fixed or are you still having problems because of the graphics card drivers?:

#7

Wanted to wait for enough time to make sure it was fixed…and just as i was going to post that it is fixed i read your post…how providential!

Thanks so much for your help…truly appreciated!

#8

Updating the system according to the first link worked like a charm…Thanks!

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#9

Excellent news. All the best. :smiley:

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