[SOLVED] New kernel 5.4.0.67 makes system super slow

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eplm
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[SOLVED] New kernel 5.4.0.67 makes system super slow

Post by eplm »

Got the latest kernel update installed (Kernel: 5.4.0-67), which makes the whole computer terribly slow, every mouseclick etc. takes at least a second or two to get noticed. Not good. Rebooting to 5.4.0-66 and the system is nice and speedy again. I hate it when this kind of update blows the whole thing to pieces.
Last edited by eplm on Mon Mar 22, 2021 12:48 pm, edited 2 times in total.
Hoser Rob
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Re: New kernel update screws up

Post by Hoser Rob »

Is this a support question or a rant?

If it's a support question read the how to get help section of this forum and post some useful info.

If it's a rant I'm not interested, it's not so unusual for this to happen.
For every complex problem there is an answer that is clear, simple, and wrong - H. L. Mencken
eplm
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Re: New kernel update screws up

Post by eplm »

OK, it's both. Question: why does this kernel update screw my system up? Do kernel updates get tested before rollout?
If we are to apply all the latest security patches, we cannot have it that systems become slower than slow.
Is there any other place I should post my feedback / do the developers look here for feedback?
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Re: New kernel update screws up

Post by Moonstone Man »

eplm wrote: Mon Mar 22, 2021 4:07 am do the developers look here for feedback?
No, this is a user forum. Everyone here is a user, so your ranting is utterly pointless because you are ranting at people who have no control over the OS or the DE.
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ricardogroetaers
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Re: New kernel update screws up

Post by ricardogroetaers »

eplm wrote: Mon Mar 22, 2021 4:07 am .... do the developers look here for feedback?
Probably not.
But your warning proceeds.
You could edit the topic title mentioning the problematic kernel.

Chain reaction, please see:
viewtopic.php?f=48&t=345592
Last edited by ricardogroetaers on Mon Mar 22, 2021 5:58 am, edited 1 time in total.
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Re: New kernel update screws up

Post by Pjotr »

eplm wrote: Mon Mar 22, 2021 4:07 am Do kernel updates get tested before rollout?
They are, but not on every conceivable hardware combination. :wink:
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Re: New kernel 5.4.0.67 makes system super slow

Post by eplm »

I renamed the topic, but the replies are not renamed.
Hoser Rob
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Re: New kernel update screws up

Post by Hoser Rob »

eplm wrote: Mon Mar 22, 2021 4:07 am OK, it's both. Question: why does this kernel update screw my system up? Do kernel updates get tested before rollout?
If we are to apply all the latest security patches, we cannot have it that systems become slower than slow.
Is there any other place I should post my feedback / do the developers look here for feedback?
The kernel developers are going to have zero time for you, that's just laughable.

You're just another noob expecting free WIndows. MS has probably 10,000 people testing obscure hardware configs. Linux does not. ANd it's not going to. And who's 'we'? Server operators deal with this every day.

This sort of thing is what system backups are for. Do one before applying high level updates.
For every complex problem there is an answer that is clear, simple, and wrong - H. L. Mencken
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Re: New kernel 5.4.0.67 makes system super slow

Post by karlchen »

Hello, eplm.
eplm wrote: Fri Mar 19, 2021 8:02 amGot the latest kernel update installed (Kernel: 5.4.0-67), which makes the whole computer terribly slow, every mouseclick etc. takes at least a second or two to get noticed. Not good. Rebooting to 5.4.0-66 and the system is nice and speedy again. I hate it when this kind of update blows the whole thing to pieces.
New kernels get tested by the Canonical Ubuntu developers, before they make them available to their users. You can imagine that they are not extremely keen on receiving complaints by a large number of users, whose systems stopped working properly, because the newest kernel release brings along some regressions.

Nonetheless, with the myriad of different possible hardware combinations, which can be found in the wild, precisely such regressions do happen.

As you already found out that the previous kernel 5.4.0-66 still worked correctly on your machine, the following workaround is suggested:
+ Boot your machine with kernel 5.4.0-66.
+ Use Update Manager=> View => Linux Kernel. Select kernel 5.4.0-67 and click [Remove].
+ Wait for the next kernel release 5.4.0-68 or 5.4.0-69 or whatever the precise number will be, and hope the regression has been fixed.

In case you wish to help identify what the issue is, you might create a bug report on Launchpad. - Actually you might also start by finding out whether your problem has already been reported there. Maybe it has and some developer is already working on it. Maybe.

Best regards,
Karl
--
P.S.:
Not all systems have slowed down to a crawl by the way.

Code: Select all

$ inxi -Sxxxz
System:    Kernel: 5.4.0-67-generic x86_64 bits: 64 compiler: gcc v: 10.2.1 Desktop: Cinnamon 4.4.8 tk: GTK 3.22.30 
           wm: muffin 4.4.4 dm: LightDM 1.26.0 Distro: Linux Mint 19.3 Tricia base: Ubuntu 18.04 bionic
Image
The people of Alderaan have been bravely fighting back the clone warriors sent out by the unscrupulous Sith Lord Palpatine for 762 days now.
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eplm
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Re: New kernel update screws up

Post by eplm »

Hoser Rob wrote: Mon Mar 22, 2021 8:32 am You're just another noob expecting free WIndows.
Now that was totally uncalled for, don't make me responsible if you're having a bad day. I already own 2 legal copies of Windows (as that is what is pre-installed in this world), but perhaps it might occur to you that I simply prefer to run something different. And I'm not a total noob either, I've been using Xubuntu since version 12 or so and before that, Ubuntu since version ... well ... 7 if memory serves me right.
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Re: New kernel 5.4.0.67 makes system super slow

Post by mikeflan »

I renamed the topic, but the replies are not renamed.
That is interesting. I thought if you changed the subject of your first post at the top of this list of posts, then all subjects would be changed. Apparently not.

We would be interested in seeing what hardware you have if you want to share:
Type this in a terminal:

Code: Select all

inxi -Fxxxrz
Post the output in "Code" tags. The button that inserts these tags is marked </>
eplm
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Re: New kernel 5.4.0.67 makes system super slow

Post by eplm »

Sure.

Code: Select all

$ inxi -Fxxxrz
System:    Kernel: 5.4.0-67-generic x86_64 bits: 64 compiler: gcc v: 9.3.0 Desktop: Cinnamon 4.8.6 wm: muffin 4.8.1 
           dm: LightDM 1.30.0 Distro: Linux Mint 20.1 Ulyssa base: Ubuntu 20.04 focal 
Machine:   Type: Laptop System: HP product: HP Pavilion Gaming Laptop 17-cd0xxx v: Type1ProductConfigId serial: <filter> 
           Chassis: type: 10 serial: <filter> 
           Mobo: HP model: 85FD v: 43.34 serial: <filter> UEFI: Insyde v: F.20 date: 11/22/2019 
Battery:   ID-1: BAT1 charge: 32.7 Wh condition: 39.8/52.5 Wh (76%) volts: 11.6/11.6 model: Hewlett-Packard PABAS0241231 
           type: Li-ion serial: <filter> status: Discharging 
           Device-1: hidpp_battery_0 model: Logitech Wireless Mouse M325 serial: <filter> charge: 50% (should be ignored) 
           rechargeable: yes status: N/A 
CPU:       Topology: 6-Core model: Intel Core i7-9750H bits: 64 type: MT MCP arch: Kaby Lake rev: A L2 cache: 12.0 MiB 
           flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 62399 
           Speed: 800 MHz min/max: 800/4500 MHz Core speeds (MHz): 1: 800 2: 800 3: 800 4: 800 5: 800 6: 800 7: 800 8: 800 
           9: 800 10: 800 11: 800 12: 800 
Graphics:  Device-1: Intel UHD Graphics 630 vendor: Hewlett-Packard driver: i915 v: kernel bus ID: 00:02.0 chip ID: 8086:3e9b 
           Device-2: NVIDIA GP107M [GeForce GTX 1050 3 GB Max-Q] vendor: Hewlett-Packard driver: nouveau v: kernel 
           bus ID: 01:00.0 chip ID: 10de:1c91 
           Display: x11 server: X.Org 1.20.9 driver: modesetting unloaded: fbdev,vesa resolution: 1920x1080~60Hz 
           OpenGL: renderer: Mesa Intel UHD Graphics 630 (CFL GT2) v: 4.6 Mesa 20.2.6 direct render: Yes 
Audio:     Device-1: Intel Cannon Lake PCH cAVS vendor: Hewlett-Packard driver: snd_hda_intel v: kernel bus ID: 00:1f.3 
           chip ID: 8086:a348 
           Device-2: NVIDIA GP107GL High Definition Audio driver: snd_hda_intel v: kernel bus ID: 01:00.1 chip ID: 10de:0fb9 
           Sound Server: ALSA v: k5.4.0-67-generic 
Network:   Device-1: Intel Wireless-AC 9560 [Jefferson Peak] driver: iwlwifi v: kernel port: 5000 bus ID: 00:14.3 
           chip ID: 8086:a370 
           IF: wlo1 state: up mac: <filter> 
           Device-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: Hewlett-Packard driver: r8169 v: kernel 
           port: 3000 bus ID: 03:00.0 chip ID: 10ec:8168 
           IF: eno1 state: down mac: <filter> 
Drives:    Local Storage: total: 476.94 GiB used: 56.12 GiB (11.8%) 
           ID-1: /dev/nvme0n1 vendor: SK Hynix model: BC501 HFM512GDJTNG-8310A size: 476.94 GiB speed: 15.8 Gb/s lanes: 2 
           serial: <filter> rev: 80002C00 scheme: GPT 
RAID:      Hardware-1: Intel 82801 Mobile SATA Controller [RAID mode] driver: ahci v: 3.0 port: 5060 bus ID: 00:17.0 
           chip ID: 8086.282a rev: 10 
Partition: ID-1: / size: 98.14 GiB used: 20.11 GiB (20.5%) fs: ext4 dev: /dev/nvme0n1p6 
           ID-2: swap-1 size: 19.07 GiB used: 37.0 MiB (0.2%) fs: swap dev: /dev/nvme0n1p7 
Sensors:   System Temperatures: cpu: 33.0 C mobo: N/A gpu: nouveau temp: 10 C 
           Fan Speeds (RPM): N/A 
Repos:     No active apt repos in: /etc/apt/sources.list 
           Active apt repos in: /etc/apt/sources.list.d/additional-repositories.list 
           1: deb https://cli.github.com/packages focal main
           Active apt repos in: /etc/apt/sources.list.d/linuxuprising-shutter-focal.list 
           1: deb http://ppa.launchpad.net/linuxuprising/shutter/ubuntu focal main
           Active apt repos in: /etc/apt/sources.list.d/nodesource.list 
           1: deb https://deb.nodesource.com/node_14.x focal main
           2: deb-src https://deb.nodesource.com/node_14.x focal main
           Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list 
           1: deb http://ftp.nluug.nl/os/Linux/distr/linuxmint/packages ulyssa main upstream import backport
           2: deb http://ubuntu.mirror.cambrium.nl/ubuntu focal main restricted universe multiverse
           3: deb http://ubuntu.mirror.cambrium.nl/ubuntu focal-updates main restricted universe multiverse
           4: deb http://ubuntu.mirror.cambrium.nl/ubuntu focal-backports main restricted universe multiverse
           5: deb http://security.ubuntu.com/ubuntu/ focal-security main restricted universe multiverse
           6: deb http://archive.canonical.com/ubuntu/ focal partner
           Active apt repos in: /etc/apt/sources.list.d/stack-client.list 
           1: deb https://mirror.transip.net/stack/software/deb/Ubuntu_20.04/ ./
           Active apt repos in: /etc/apt/sources.list.d/vscode.list 
           1: deb [arch=amd64,arm64,armhf] http://packages.microsoft.com/repos/code stable main
Info:      Processes: 360 Uptime: 7h 44m Memory: 15.48 GiB used: 6.85 GiB (44.3%) Init: systemd v: 245 runlevel: 5 Compilers: 
           gcc: 9.3.0 alt: 9 Shell: gitbash running in: gnome-terminal inxi: 3.0.38 

Hey that's odd ... I'm currrently on 5.4.0.67 and it's fine ...
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Re: New kernel 5.4.0.67 makes system super slow

Post by eplm »

Let's call it a glitch, I've seen it before the first time I installed LM20 on this machine, right after the first system update that included a kernel update. The next reboot and/or system update (I forget) it was fixed again.
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Re: New kernel 5.4.0.67 makes system super slow

Post by ricardogroetaers »

mikeflan wrote: Mon Mar 22, 2021 11:16 am
I renamed the topic, but the replies are not renamed.
That is interesting. I thought if you changed the subject of your first post at the top of this list of posts, then all subjects would be changed. Apparently not..
Each post belongs to the user who posted it, including "Subject:".
A user cannot edit others' posts, only administrators can edit them.
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Re: [SOLVED] New kernel 5.4.0.67 makes system super slow

Post by transitman55 »

My Lenovo 570 had the 5.4.0.70 kernel running & it was moving @ a turtle's pace! went back to the .67 kernel & it's much better! I don't know what you're running but it seems that you figured it out. :)
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Re: New kernel 5.4.0.67 makes system super slow

Post by SMG »

eplm wrote: Mon Mar 22, 2021 12:47 pm Let's call it a glitch, I've seen it before the first time I installed LM20 on this machine, right after the first system update that included a kernel update. The next reboot and/or system update (I forget) it was fixed again.
You have fairly new hardware. You may get better performance if you switched to the 5.8 kernel which is available in Update Manager.
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Re: [SOLVED] New kernel 5.4.0.67 makes system super slow

Post by eplm »

This laptop is about a year old, so that is true. Thanks for the tip, but to my surprise, I don't see any kernel updates in the Update Manager right now, mine is currently 5.4.0.70.
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Re: [SOLVED] New kernel 5.4.0.67 makes system super slow

Post by Moonstone Man »

eplm wrote: Mon Apr 12, 2021 5:02 am This laptop is about a year old, so that is true. Thanks for the tip, but to my surprise, I don't see any kernel updates in the Update Manager right now, mine is currently 5.4.0.70.
That's because you're supposed to poke around in the update manager, for example, you might whack the View menu, read the options, see an option called Linux Kernels and decide to give it a punch in the throat.

:mrgreen:
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Re: [SOLVED] New kernel 5.4.0.67 makes system super slow

Post by Pjotr »

eplm wrote: Mon Apr 12, 2021 5:02 am This laptop is about a year old, so that is true. Thanks for the tip, but to my surprise, I don't see any kernel updates in the Update Manager right now, mine is currently 5.4.0.70.
Update Manager - panel: View - Linux kernels
Install the latest kernel of the 5.8 series. Then reboot.
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Re: [SOLVED] New kernel 5.4.0.67 makes system super slow

Post by Moonstone Man »

Pjotr wrote: Mon Apr 12, 2021 5:07 am Install the latest kernel of the 5.8 series.
Oh, my apologies to the OP, and thanks to you. I neglected to inflict violence on the kernel version :)
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