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keyboard input lag in Linux Mint 18.3


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#1 Achaemenid

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Posted 03 March 2018 - 01:50 PM

I recently installed Linux Mint 18.3. 64-bit

 

I have an old sony vaio with 500 GB.

 

When I have recently used gedit, the letter I type does not immediately appear, there is a lag of a second or so. This does not happen as I am typing this on this website now for example.

 

The only thing I can think of is that a few days ago, experiment with "Compiz Config Settings Manager"

 

I checked "3D Windows" to see what would happen.

 

The graphics were also quircky after that, like I would right click on the and instead of the the menu opening, I got a slice of some graphics from somewhere else.

 

I went back in Compiz Config and unchecked the 3D windows box.

 

But this problem with keyboard lag persists.  It is also occurring on the Linux menu search box. When I type in the password for my account on this website, sometime the keyboard makes a double key which inputs the wrong password.

 

I have been fiddling around with the "Assistive Technologies" settings, but so far no change.

 

(I am wondering if this is virus, although Linux Mint is not supposed to get those)

 

I would like to know the cause and fix if possible.


Edited by Achaemenid, 03 March 2018 - 02:13 PM.


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#2 MadmanRB

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Posted 03 March 2018 - 02:35 PM

Its probably a setting somewhere , do you know your exact hardware?

Just checking if its more hardware related as its certainly not a virus.

It could be a bug and nothing to worry about, plenty of alternative text editors in linux.

I am just asking for what hardware you are running just in case, could be a memory issue or something


Edited by MadmanRB, 03 March 2018 - 02:36 PM.

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#3 Achaemenid

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Posted 06 March 2018 - 04:40 PM

Its probably a setting somewhere , do you know your exact hardware?

Just checking if its more hardware related as its certainly not a virus.

It could be a bug and nothing to worry about, plenty of alternative text editors in linux.

I am just asking for what hardware you are running just in case, could be a memory issue or something

thanks for responding.

What is the best way to check hardware on LM 18.3?

 

Here is the output from terminal command lscpu:

 

bukatao@peah-yop ~ $ lscpu
Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                8
On-line CPU(s) list:   0-7
Thread(s) per core:    2
Core(s) per socket:    4
Socket(s):             1
NUMA node(s):          1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 30
Model name:            Intel® Core™ i7 CPU       Q 740  @ 1.73GHz
Stepping:              5
CPU MHz:               933.000
CPU max MHz:           1734.0000
CPU min MHz:           933.0000
BogoMIPS:              3458.11
Virtualization:        VT-x
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              6144K
NUMA node0 CPU(s):     0-7
Flags:                 fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 sse4_2 popcnt lahf_lm tpr_shadow vnmi flexpriority ept vpid dtherm ida

 

I tried to fiddle with mouse settings to no avail: things like sensitivity and acceleration.
 



#4 MadmanRB

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Posted 06 March 2018 - 07:01 PM

I would use neofetch as it will give detail about your whole system

 

Put this into a terminal:

 

$ sudo add-apt-repository ppa:dawidd0811/neofetch
$ sudo apt-get update
$ sudo apt-get install neofetch

 

and to run it type neofetch into a terminal

 

screenfetch is also good for this:

 

https://github.com/KittyKatt/screenFetch


Edited by MadmanRB, 06 March 2018 - 07:04 PM.

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#5 cat1092

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Posted 06 March 2018 - 11:30 PM

Achaemenid, while this could be a shot in the dark, worked for me once. For whatever reason, batteries that are not quite dead, almost to the point of a warning on Windows, may not respond as well on Linux. 

 

Was once going to create a similar Topic myself, in a last ditch effort, swapped the batteries (2 AA's) & all was OK. Of course, that may not assist everyone & you may have already tried a battery swap. Just pointing out the obvious, sometimes which is overlooked, Linux is more sensitive to battery levels, as well as printer cartridge levels than Windows, which is great. If that doesn't help, someone here likely has the answer, provided the issue is known. :)

 

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#6 Achaemenid

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Posted 07 March 2018 - 03:15 PM

Achaemenid, while this could be a shot in the dark, worked for me once. For whatever reason, batteries that are not quite dead, almost to the point of a warning on Windows, may not respond as well on Linux. 
 
Was once going to create a similar Topic myself, in a last ditch effort, swapped the batteries (2 AA's) & all was OK. Of course, that may not assist everyone & you may have already tried a battery swap. Just pointing out the obvious, sometimes which is overlooked, Linux is more sensitive to battery levels, as well as printer cartridge levels than Windows, which is great. If that doesn't help, someone here likely has the answer, provided the issue is known. :)
 
Cat


Thanks for this comment but I don't quite know what you mean here.

I have the battery of my computer which is showing 100%. I hardly every use it because I am always on AC power.Attached File  Screenshot LAPTOP BATTERY.png   10.72KB   0 downloads

#7 Achaemenid

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Posted 07 March 2018 - 03:20 PM

I would use neofetch as it will give detail about your whole system
 
...


DONEAttached File  Screenshot NEOFETCH RESULT.png   87.16KB   0 downloads

#8 MadmanRB

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Posted 07 March 2018 - 04:03 PM

well i see nothing spec wise to cause this.

Its probably just a glitch.

No worries as there are plenty of text editors on linux

gedit, leafpad, xed, mousepad, kate... plenty of options :D

All of these are no doubt in the repositories.

And there is a laundry list of text editors not in the repos in PPA's so plenty to check out.


Edited by MadmanRB, 07 March 2018 - 04:09 PM.

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#9 cat1092

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Posted 07 March 2018 - 08:59 PM

Thanks for this comment but I don't quite know what you mean here.


I have the battery of my computer which is showing 100%. I hardly every use it because I am always on AC power.attachicon.gifScreenshot LAPTOP BATTERY.png

 

 

My apologies if the case, was thinking that you may be using a wireless keyboard/mouse combo, when I seen your Topic, the first thing that came to mind. That did fix my issue (twin AA battery swap), however if you're using the native keyboard, wouldn't apply here. 

 

Sorry about any confusion created. :)

 

Cat


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#10 pcpunk

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Posted 07 March 2018 - 09:24 PM

For Specs I prefer this one, if you would post this one.

inxi -Fxz

It's pretty clear (maybe) from what you said, this all started when you changed a setting in Compiz Config.  In the future we need to teach you to create some backup images, or a System Restore type program.  Compiz can really cause you problems, don't ask how I know lol.  If you older Graphics cannot handle it, it's best not to play around until you get a backup of some kind.

 

I found this command that will reset Compiz but have never used it, SO USE AT OWN RISK.  If you can wait maybe someone will test it for you, I don't have time tonight.

dconf reset -f /org/compiz/

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#11 Condobloke

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Posted 08 March 2018 - 01:03 AM

Linux Mint 18.3 has Timeshift installed as a default program.

 

Have you set it up/used it at all ?

 

If you have, you can use it in a similar manner to Windows System Restore


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#12 cat1092

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Posted 08 March 2018 - 05:58 AM

Linux Mint 18.3 has Timeshift installed as a default program.

 

Have you set it up/used it at all ?

 

If you have, you can use it in a similar manner to Windows System Restore

 

+1! :thumbup2:

 

Timeshift was really good when we began discussing it around 2014, now better than ever & replaced the older Linux Mint backup software.

 

All Linux Mint users should take advantage of Timeshift, there's a bootable option for the backup if cloned (or was when we last discussed it). At any rate, I can't come up with a reason not to use Timeshift with a Linux only system. :)

 

Cat


Performing full disc images weekly and keeping important data off of the 'C' drive as generated can be the best defence against Malware/Ransomware attacks, as well as a wide range of other issues. 


#13 Achaemenid

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Posted 08 March 2018 - 03:56 PM

well i see nothing spec wise to cause this.

Its probably just a glitch.

No worries as there are plenty of text editors on linux

gedit, leafpad, xed, mousepad, kate... plenty of options :D

All of these are no doubt in the repositories.

And there is a laundry list of text editors not in the repos in PPA's so plenty to check out.

 

This lag is not only happening with the text editor. Sometimes when I use the Linux search box in the menu window it happens.

 

I am considering putting all my stuff on an external HDD and reinstalling Linux Mint since the problem only started after I fiddled with compiz



#14 Achaemenid

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Posted 08 March 2018 - 03:57 PM

 

Linux Mint 18.3 has Timeshift installed as a default program.

 

Have you set it up/used it at all ?

 

If you have, you can use it in a similar manner to Windows System Restore

 

+1! :thumbup2:

 

Timeshift was really good when we began discussing it around 2014, now better than ever & replaced the older Linux Mint backup software.

 

All Linux Mint users should take advantage of Timeshift, there's a bootable option for the backup if cloned (or was when we last discussed it). At any rate, I can't come up with a reason not to use Timeshift with a Linux only system. :)

 

Cat

 

I have timeshift but I did not know that you have to take a snapshot and setup it up, so I don't have any snapshots of the time before the problem started.

 

The only snapshot I have is one when the problem was occurring.



#15 Achaemenid

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Posted 08 March 2018 - 04:03 PM

For Specs I prefer this one, if you would post this one.

inxi -Fxz
It's pretty clear (maybe) from what you said, this all started when you changed a setting in Compiz Config.  In the future we need to teach you to create some backup images, or a System Restore type program.  Compiz can really cause you problems, don't ask how I know lol.  If you older Graphics cannot handle it, it's best not to play around until you get a backup of some kind.
 
I found this command that will reset Compiz but have never used it, SO USE AT OWN RISK.  If you can wait maybe someone will test it for you, I don't have time tonight.
dconf reset -f /org/compiz/

 
Here are the specs for my system using the command you gave me.

bukatao@peah-yop ~ $ sudo inxi -Fxz
[sudo] password for bukatao:
System:    Host: peah-yop Kernel: 4.10.0-38-generic x86_64 (64 bit gcc: 5.4.0)
           Desktop: MATE 1.18.0 (Gtk 3.18.9-1ubuntu3.3)
           Distro: Linux Mint 18.3 Sylvia
Machine:   System: Sony (portable) product: VPCF1390X v: C609719P
           Mobo: Sony model: VAIO
           Bios: American Megatrends v: R0190Y9 date: 10/20/2010
CPU:       Quad core Intel Core i7 Q 740 (-HT-MCP-) cache: 6144 KB
           flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 13831
           clock speeds: max: 1734 MHz 1: 933 MHz 2: 933 MHz 3: 1466 MHz
           4: 933 MHz 5: 933 MHz 6: 933 MHz 7: 933 MHz 8: 1066 MHz
Graphics:  Card: NVIDIA GF108M [GeForce GT 425M] bus-ID: 01:00.0
           Display Server: X.org 1.18.4 drivers: nvidia (unloaded: fbdev,vesa,nouveau)
           tty size: 80x24 Advanced Data: N/A for root
Audio:     Card-1 Intel 5 Series/3400 Series High Definition Audio
           driver: snd_hda_intel bus-ID: 00:1b.0
           Card-2 NVIDIA GF108 High Definition Audio Controller
           driver: snd_hda_intel bus-ID: 01:00.1
           Sound: Advanced Linux Sound Architecture v: k4.10.0-38-generic
Network:   Card-1: Qualcomm Atheros AR9287 Wireless Network Adapter (PCI-Express)
           driver: ath9k bus-ID: 02:00.0
           IF: wlp2s0 state: up mac: <filter>
           Card-2: Marvell 88E8057 PCI-E Gigabit Ethernet Controller
           driver: sky2 v: 1.30 port: a000 bus-ID: 04:00.0
           IF: enp4s0 state: down mac: <filter>
Drives:    HDD Total Size: 500.1GB (37.3% used)
           ID-1: /dev/sda model: ST500LM030 size: 500.1GB temp: 44C
Partition: ID-1: / size: 452G used: 168G (40%) fs: ext4 dev: /dev/dm-0
           ID-2: /boot size: 472M used: 67M (15%) fs: ext2 dev: /dev/sda1
           ID-3: swap-1 size: 6.43GB used: 0.00GB (0%) fs: swap dev: /dev/dm-1
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   System Temperatures: cpu: 64.0C mobo: 64.0C gpu: 0.0:62C
           Fan Speeds (in rpm): cpu: N/A
Info:      Processes: 261 Uptime: 1:53 Memory: 1367.3/5946.5MB
           Init: systemd runlevel: 5 Gcc sys: 5.4.0
           Client: Shell (sudo) inxi: 2.2.35
bukatao@peah-yop ~ $


Thanks for the tip about compiz reset. I will do some research and wait to see if someone else posts.




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