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Old 02-09-2017, 10:43 PM   #1
TooTechie
LQ Newbie
 
Registered: Feb 2017
Posts: 3

Rep: Reputation: Disabled
xorg & nemo using 100% cpu


Hi Folks,

I'm a born-again linux newb. By that I mean that I used to run Red Hat back in the day (1990s) with decent proficiency and have just recently come back to linux from evil Windows (I still have Windows 10 set up as a dual boot option in Ubuntu's grub menu, but haven't logged into it in a while).

I'm running Ubuntu 16.04 with Cinnamon desktop environment 3.2.8-1~xenial0 on an HP Envy x360 Laptop.

I've worked through some issues and got everything working with one exception: When I come back to my computer after not using it for a few hours the mouse lags a bit with almost a stutter. This caused me to check out what was using the cpu so I checked top and it showed xorg using around 50% cpu and nemo also around 50%.

Nemo appears to be the "file manager" like nautilus that cinnamon uses and for whatever reason nemo uses all available CPU power and the laptop heats up/gets very warm to the touch. If I type killall nemo both xorg and nemo go to 0 cpu, but then eventually I come back to the same problem like a memory leak.

Has anyone experienced this or have any idea what could be causing this?


Additional info about my setup:

parted -l
Code:
Model: ATA WDC WD10SPCX-60K (scsi)
Disk /dev/sda: 1000GB
Sector size (logical/physical): 512B/4096B
Partition Table: gpt
Disk Flags: 

Number  Start   End     Size    File system     Name                          Flags
 1      1049kB  538MB   537MB   fat32           EFI System Partition          boot, esp
 2      538MB   537GB   537GB   ext4
 3      537GB   537GB   16.8MB                  Microsoft reserved partition  msftres
 4      537GB   992GB   454GB   ntfs            Basic data partition          msftdata
 5      992GB   1000GB  8499MB  linux-swap(v1)
df -m | grep sda
Code:
/dev/sda2         503839 14177    464047   3% /
/dev/sda1            511    29       483   6% /boot/efi
inxi -Fxz
Code:
System:    Host: x360-m6 Kernel: 4.4.0-62-generic x86_64 (64 bit gcc: 5.4.0)
           Desktop: Cinnamon 3.2.8 (Gtk 3.18.9-1ubuntu3.1) Distro: Ubuntu 16.04 xenial
Machine:   System: HP (portable) product: HP ENVY x360 m6 Convertible v: Type1ProductConfigId
           Mobo: HP model: 80D0 v: 84.28 Bios: Insyde v: F.17 date: 11/03/2015
CPU:       Dual core Intel Core i7-6500U (-HT-MCP-) cache: 4096 KB
           flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 10367
           clock speeds: max: 3100 MHz 1: 495 MHz 2: 499 MHz 3: 497 MHz 4: 499 MHz
Graphics:  Card-1: Intel Sky Lake Integrated Graphics bus-ID: 00:02.0
           Card-2: NVIDIA GM108M [GeForce 930M] bus-ID: 01:00.0
           Display Server: X.Org 1.18.4 driver: nvidia Resolution: 1920x1080@60.00hz
           GLX Renderer: GeForce 930M/PCIe/SSE2
           GLX Version: 4.5.0 NVIDIA 367.57 Direct Rendering: Yes
Audio:     Card Intel Sunrise Point-LP HD Audio driver: snd_hda_intel bus-ID: 00:1f.3
           Sound: Advanced Linux Sound Architecture v: k4.4.0-62-generic
Network:   Card-1: Intel Wireless 7265 driver: iwlwifi bus-ID: 02:00.0
           IF: wlp2s0 state: up mac: <filter>
           Card-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
           driver: r8169 v: 2.3LK-NAPI port: 3000 bus-ID: 03:00.0
           IF: enp3s0 state: down mac: <filter>
Drives:    HDD Total Size: 1000.2GB (2.3% used)
           ID-1: /dev/sda model: WDC_WD10SPCX size: 1000.2GB temp: 41C
Partition: ID-1: / size: 493G used: 14G (3%) fs: ext4 dev: /dev/sda2
           ID-2: swap-1 size: 8.50GB used: 0.00GB (0%) fs: swap dev: /dev/sda5
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   System Temperatures: cpu: 43.0C mobo: 42.0C gpu: 0.0:44C
           Fan Speeds (in rpm): cpu: N/A
Info:      Processes: 196 Uptime: 9:21 Memory: 1349.6/7896.8MB
           Init: systemd runlevel: 5 Gcc sys: 5.4.0 Client: Shell (bash 4.3.461) inxi: 2.2.35
sudo lshw -C video
Code:
  *-display               
       description: VGA compatible controller
       product: Sky Lake Integrated Graphics
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 07
       width: 64 bits
       clock: 33MHz
       capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915_bpo latency=0
       resources: irq:282 memory:a2000000-a2ffffff memory:b0000000-bfffffff ioport:5000(size=64)
  *-display
       description: 3D controller
       product: GM108M [GeForce 930M]
       vendor: NVIDIA Corporation
       physical id: 0
       bus info: pci@0000:01:00.0
       version: a2
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: driver=nvidia latency=0
       resources: irq:296 memory:a3000000-a3ffffff memory:90000000-9fffffff memory:a0000000-a1ffffff ioport:4000(size=128)
glxinfo | grep OpenGL
Code:
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce 930M/PCIe/SSE2
OpenGL core profile version string: 4.5.0 NVIDIA 367.57
OpenGL core profile shading language version string: 4.50 NVIDIA
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 4.5.0 NVIDIA 367.57
OpenGL shading language version string: 4.50 NVIDIA
OpenGL context flags: (none)
OpenGL profile mask: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.2 NVIDIA 367.57
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
OpenGL ES profile extensions:
 
Old 02-11-2017, 05:30 AM   #2
hydrurga
LQ Guru
 
Registered: Nov 2008
Location: Pictland
Distribution: Linux Mint 20 MATE
Posts: 8,048
Blog Entries: 5

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Sorry that I can't solve your problem, but it appears that the problem is Nemo:

https://bugs.launchpad.net/linuxmint/+bug/1203406

https://github.com/linuxmint/Cinnamon/issues/3796

Have a search for Nemo memory leak on the net to see if you can find something that you can execute from time to time to regain that memory. You could also see if you can upgrade Cinnamon and/or Nemo.
 
  


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