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Keyboard and mouse delay while using Linux Mint 18.3 64 bit with the Xfce user interface.

I apologize if this issue has been addressed or a very similar issue has been addressed, a search did not turn anything up, but that may be because I didn’t use a good search term.

This in a new machine that I assembled from parts, I installed Windows 10 and then Linux Mint 18.3 as a dual boot.

The Windows 10 partition does not have a discernible amount of mouse and keyboard lag.

In Linux Mint 18.3, the mouse and keyboard have an unacceptable amount of lag. It doesn’t make any difference if I use wired or wireless keyboards and mice. I have installed Solaar and it’s information window shows that Solaar recognizes both of the Logitech receivers I’m using.

It’s also note worthy that the wireless mouse and keyboard work without noticeable lag on my older HP small form factor 32 bit machine, running Linux Mint 18.1 with the MATE user interface.

Results of running the inxi -Fxz command on the 64 bit machine: (Linux Mint 18.3, Xfce.)

<username>@<username>-Z370XP-SLI ~ $ inxi -Fxz
System: Host: <username>-Z370XP-SLI Kernel: 4.10.0-38-generic x86_64 (64 bit gcc: 5.4.0)
 Desktop: Xfce 4.12.3 (Gtk 2.24.28) Distro: Linux Mint 18.3 Sylvia
Machine: System: Gigabyte product: Z370XP SLI v: Default string
 Mobo: Gigabyte model: Z370XP SLI-CF v: x.x
 Bios: American Megatrends v: F3 date: 09/06/2017
CPU: Hexa core Intel Core i5-8600K (-MCP-) cache: 9216 KB
 flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 43200
 clock speeds: max: 4300 MHz 1: 3971 MHz 2: 4125 MHz 3: 4124 MHz
 4: 4197 MHz 5: 4299 MHz 6: 4198 MHz
Graphics: Card: Intel Device 3e92 bus-ID: 00:02.0
 Display Server: X.Org 1.18.4 drivers: fbdev,intel (unloaded: vesa)
 Resolution: 1920x1080@77.00hz
 GLX Renderer: Gallium 0.4 on llvmpipe (LLVM 4.0, 256 bits)
 GLX Version: 3.0 Mesa 17.0.7 Direct Rendering: Yes
Audio: Card Intel Device a2f0 driver: snd_hda_intel bus-ID: 00:1f.3
 Sound: Advanced Linux Sound Architecture v: k4.10.0-38-generic
Network: Card: Intel Ethernet Connection (2) I219-V
 driver: e1000e v: 3.2.6-k bus-ID: 00:1f.6
 IF: enp0s31f6 state: up speed: 100 Mbps duplex: full mac: <filter>
Drives: HDD Total Size: 507.9GB (3.0% used)
 ID-1: /dev/sda model: HFS500G32TND size: 500.1GB
 ID-2: USB /dev/sdb model: USB_DISK_2.0 size: 7.7GB
Partition: ID-1: / size: 212G used: 6.6G (4%) fs: ext4 dev: /dev/sda5
 ID-2: swap-1 size: 8.46GB used: 0.00GB (0%) fs: swap dev: /dev/dm-0
RAID: No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors: System Temperatures: cpu: 27.8C mobo: 16.8C
 Fan Speeds (in rpm): cpu: N/A
Info: Processes: 213 Uptime: 26 min Memory: 1157.6/7855.8MB
 Init: systemd runlevel: 5 Gcc sys: 5.4.0
 Client: Shell (bash 4.3.481) inxi: 2.2.35 

Results of running the inxi -Fxz command on the 32 bit machine: (Linux Mint 18.1, MATE.)
[While wireless keyboard and mouse in use.]

<username>@HPDesktop ~ $ inxi -Fxz
System: Host: HPDesktop Kernel: 4.4.0-75-generic i686 (32 bit gcc: 5.4.0)
 Desktop: MATE 1.16.2 (Gtk 3.18.9-1ubuntu3.3)
 Distro: Linux Mint 18.1 Serena
Machine: System: Hewlett-Packard product: HP Compaq dc7900 Small Form Factor
 Mobo: Hewlett-Packard model: 3031h
 Bios: Hewlett-Packard v: 786G1 v01.16 date: 03/05/2009
CPU: Dual core Intel Core2 Duo E8400 (-MCP-) cache: 6144 KB
 flags: (lm nx pae sse sse2 sse3 sse4_1 ssse3 vmx) bmips: 11969
 clock speeds: max: 3000 MHz 1: 1998 MHz 2: 1998 MHz
Graphics: Card: Intel 4 Series Integrated Graphics Controller bus-ID: 00:02.0
 Display Server: X.Org 1.18.4 drivers: intel (unloaded: fbdev,vesa)
 Resolution: 1280x1024@60.02hz
 GLX Renderer: Mesa DRI Intel Q45/Q43 x86/MMX/SSE2
 GLX Version: 2.1 Mesa 11.2.0 Direct Rendering: Yes
Audio: Card Intel 82801JD/DO (ICH10 Family) HD Audio Controller
 driver: snd_hda_intel bus-ID: 00:1b.0
 Sound: Advanced Linux Sound Architecture v: k4.4.0-75-generic
Network: Card: Intel 82567LM-3 Gigabit Network Connection
 driver: e1000e v: 3.2.6-k port: 1100 bus-ID: 00:19.0
 IF: enp0s25 state: up speed: 100 Mbps duplex: full mac: <filter>
Drives: HDD Total Size: 192.1GB (13.7% used)
 ID-1: /dev/sda model: SAMSUNG_HD161GJ size: 160.0GB
 ID-2: USB /dev/sdc model: STORE_N_GO size: 32.1GB
Partition: ID-1: / size: 145G used: 21G (15%) fs: ext4 dev: /dev/sda1
 ID-2: swap-1 size: 2.07GB used: 0.00GB (0%) fs: swap dev: /dev/sda5
RAID: No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors: System Temperatures: cpu: 42.0C mobo: N/A
 Fan Speeds (in rpm): cpu: N/A
Info: Processes: 186 Uptime: 11 min Memory: 840.5/1943.5MB
 Init: systemd runlevel: 5 Gcc sys: 5.4.0
 Client: Shell (bash 4.3.481) inxi: 2.2.35 

I have adjusted the mouse acceleration to zero and the sensitivity to 1Px, the result is a somewhat slowed down pointer / cursor, but still difficult to use. The key repeat delay and, repeat speed are very close to the values recommended by Xfce, blinking is off. There is still a very noticeable delay between pressing a key and the character appearing on the screen / desktop.

Some additional information:

Linux Mint 18.1 64 bit with the xfce user interface;

Results of running the ps aux command:

<username> 4216 0.0 0.8 1606040 68888 ? Sl 10:04 0:00 /usr/lib/chromi
<username> 4225 0.0 0.8 1604424 65064 ? Sl 10:04 0:00 /usr/lib/chromi
<username> 4237 0.0 0.1 475564 13108 ? S 10:04 0:00 /usr/lib/chromi
<username> 4251 0.0 0.8 1616308 70144 ? Sl 10:04 0:00 /usr/lib/chromi
<username> 4255 0.0 0.8 1607528 66948 ? Sl 10:04 0:00 /usr/lib/chromi
<username> 4346 0.2 1.3 1677152 110828 ? Sl 10:05 0:03 /usr/lib/chromi
root 4375 0.0 0.0 0 0 ? S 10:05 0:00 [kworker/2:0]
root 4390 0.0 0.0 0 0 ? S 10:06 0:00 [kworker/u12:1]
root 4569 0.0 0.0 0 0 ? S 10:12 0:00 [kworker/3:1]
root 4624 0.0 0.0 0 0 ? S 10:13 0:00 [kworker/2:2]
root 4698 0.0 0.0 0 0 ? S 10:17 0:00 [kworker/1:0]
root 4742 0.0 0.0 0 0 ? S 10:17 0:00 [kworker/0:1]
<username> 4777 19.1 4.7 2055840 386104 ? Sl 10:18 1:20 /usr/lib/chromi
root 4934 0.0 0.0 0 0 ? S 10:23 0:00 [kworker/1:1]
root 4960 0.0 0.0 0 0 ? S 10:23 0:00 [kworker/2:1]
nobody 5006 0.0 0.0 52860 396 ? S 10:24 0:00 /usr/sbin/dnsma
nobody 5007 0.0 0.0 52860 396 ? S 10:24 0:00 /usr/sbin/dnsma
root 5011 0.0 0.0 0 0 ? S 10:24 0:00 [kworker/5:1]
nobody 5012 0.0 0.0 52860 396 ? S 10:24 0:00 /usr/sbin/dnsma
nobody 5015 0.0 0.0 52860 396 ? S 10:25 0:00 /usr/sbin/dnsma
<username> 5040 1.3 0.4 506428 35924 ? Sl 10:25 0:00 xfce4-terminal
<username> 5044 0.0 0.0 22376 4884 pts/2 Ss 10:25 0:00 bash
<username> 5061 0.0 0.0 37360 3276 pts/2 R+ 10:25 0:00 ps aux

Results of running the lsmod command 3-Mar-18

Module Size Used by
bnep 20480 2
nls_iso8859_1 16384 1
binfmt_misc 20480 1
snd_hda_codec_hdmi 49152 1
intel_rapl 20480 0
snd_hda_codec_generic 73728 1
x86_pkg_temp_thermal 16384 0
dm_crypt 28672 1
intel_powerclamp 16384 0
coretemp 16384 0
kvm_intel 200704 0
i915 1449984 0
kvm 593920 1 kvm_intel
irqbypass 16384 1 kvm
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
pcbc 16384 0
drm_kms_helper 151552 1 i915
drm 352256 2 i915,drm_kms_helper
i2c_algo_bit 16384 1 i915
fb_sys_fops 16384 1 drm_kms_helper
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
snd_hda_intel 36864 3
snd_hda_codec 126976 3 snd_hda_intel,snd_hda_codec_hdmi,snd_hda_codec_generic
snd_hda_core 81920 4 snd_hda_intel,snd_hda_codec,snd_hda_codec_hdmi,snd_hda_codec_generic
aesni_intel 167936 4455
aes_x86_64 20480 1 aesni_intel
crypto_simd 16384 1 aesni_intel
snd_hwdep 16384 1 snd_hda_codec
glue_helper 16384 1 aesni_intel
cryptd 24576 2230 crypto_simd,ghash_clmulni_intel,aesni_intel
snd_pcm 102400 4 snd_hda_intel,snd_hda_codec,snd_hda_core,snd_hda_codec_hdmi
joydev 20480 0
input_leds 16384 0
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_rawmidi 32768 1 snd_seq_midi
snd_seq 65536 2 snd_seq_midi_event,snd_seq_midi
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
snd_timer 32768 2 snd_seq,snd_pcm
snd 77824 16 snd_hda_intel,snd_hwdep,snd_seq,snd_hda_codec,snd_timer,snd_rawmidi,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_seq_device,snd_pcm
soundcore 16384 1 snd
shpchp 36864 0
mei_me 40960 0
mei 102400 1 mei_me
hci_uart 98304 0
btbcm 16384 1 hci_uart
btqca 16384 1 hci_uart
btintel 16384 1 hci_uart
bluetooth 557056 11 hci_uart,btintel,btqca,bnep,btbcm
intel_lpss_acpi 16384 0
intel_lpss 16384 1 intel_lpss_acpi
acpi_pad 180224 0
mac_hid 16384 0
acpi_als 16384 0
kfifo_buf 16384 1 acpi_als
industrialio 69632 2 acpi_als,kfifo_buf
parport_pc 32768 1
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,parport_pc,ppdev
autofs4 40960 2
btrfs 1089536 0
xor 24576 1 btrfs
raid6_pq 114688 1 btrfs
dm_mirror 24576 0
dm_region_hash 20480 1 dm_mirror
dm_log 20480 2 dm_mirror,dm_region_hash
uas 24576 0
usb_storage 69632 2 uas
hid_logitech_hidpp 28672 0
hid_logitech_dj 20480 0
usbhid 53248 0
mxm_wmi 16384 0
e1000e 249856 0
ptp 20480 1 e1000e
pps_core 16384 1 ptp
ahci 36864 2
libahci 32768 1 ahci
wmi 16384 1 mxm_wmi
video 40960 1 i915
i2c_hid 20480 0
hid 118784 9 i2c_hid,usbhid,hid_logitech_dj,hid_logitech_hidpp
fjes 77824 0

From the Linux Mint forums at Linux Mint’s official site:

Try the latest kernel of the 4.13 series*. After installing it, reboot.
Update Manager - panel: View - Linux kernels.

My reply after updating the kernel:

...updating the kernel helped and now the system is more nearly useful, that's right, still some response delay. The keyboard still has a considerable delay. The mouse has less delay then previously, still over shoots and is hard to center over smaller action buttons. Again, overall an improvement in responsiveness, regrettably, not yet at the point where the response time is equal to other machines I have.

A good place to start would be to figure out why the machine running Linux Mint 18.3 is using software rendering. Your inxi output for the machine with the performance issues says GLX Renderer: Gallium 0.4 on llvmpipe as opposed to GLX Renderer: Mesa DRI Intel Q45/Q43 x86/MMX/SSE2 for the computer that works fine.

Linux Mint 19 supports my processor, so upgrading solved the issue.