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What kernel do you use

Off-Topic discussions about science, technology, and non Debian specific topics.
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bester69
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Re: What kernel do you use

#211 Post by bester69 »

Finally i was able to upgrade kernel without losing performance..
I moved form 4.4.39 to 4.4.126 without losing performance..Testing it for four days, i feel a good performance.

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Linux hall 4.4.126-0404126-generic #201803311331 SMP Sat Mar 31 17:34:08 UTC 2018 x86_64 GNU/Linux
:D

I guess Meltdown is included by now.
bester69 wrote:STOP 2030 globalists demons, keep the fight for humanity freedom against NWO...

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Linadian
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Re: What kernel do you use

#212 Post by Linadian »

Still using the highest available LTS kernels in both distros...

Same Devuan install since the first beta... :mrgreen:

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Linux 4.9.0-0.bpo.6-amd64 #1 SMP Debian 4.9.82-1+deb9u3~bpo8+1 (2018-03-22) x86_64 GNU/Linux
I keep PCLOS around (on a separate SSD) for multimedia and such...although, the last round of updates broke FF Multi Converter (won't even open and I'm too lazy to fix it :P )...

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Linux 4.14.32-pclos1 #1 SMP Sun Apr 1 01:46:38 CDT 2018 x86_64 x86_64 x86_64 GNU/Linux
Here's a little tip for you PCLOS users, new kernel install(s) may bork your sensors config, just run sensors-detect as root (assuming you have lm_sensors and hddtemp installed already), then re-config gKrellm or whatever your fave sensor app is.

Found a workaround for FF Multi Converter in PCLOS (it still wouldn't launch after the latest upgrade), I changed the Desktop launcher command to

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gksu ffmulticonverter
and run it as root, then change the files' permissions to users-read/write in Thunar as root. I have to down-covert TV shows to old .mpg(2), that's the only way my old/cheap DVD player's USB port will play them from a stick. Problem solved.
Last edited by Linadian on 2018-05-18 23:22, edited 1 time in total.
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anticapitalista
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Re: What kernel do you use

#213 Post by anticapitalista »

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uname -a
Linux antix1 4.16.7-antix.2-amd64-smp #1 SMP PREEMPT Thu May 3 00:36:25 EEST 2018 x86_64 GNU/Linux
antiX with runit - lean and mean.
https://antixlinux.com

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bester69
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Re: What kernel do you use

#214 Post by bester69 »

bester69 wrote:Finally i was able to upgrade kernel without losing performance..
I moved form 4.4.39 to 4.4.126 without losing performance..Testing it for four days, i feel a good performance.

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Linux hall 4.4.126-0404126-generic #201803311331 SMP Sat Mar 31 17:34:08 UTC 2018 x86_64 GNU/Linux
:D

I guess Meltdown is included by now.
I went back to 4.4.39, I wont search for another kernel anymore. From that version on, my laptop come into cpu's obsolescence gap; my system (Extensa5230) works perfect with that version's kernel. Being In linux for several years and upon my own experience, I dont worry anymore about security threads, I'll priorize performance. I prefer to keep hold some apps and libraries in order to maximize performance and behavior if possible.
8)
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Re: What kernel do you use

#215 Post by anticapitalista »

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 uname -a
Linux antix1 4.17.0-antix.2-amd64-smp #1 SMP PREEMPT Wed Jun 6 16:18:19 EEST 2018 x86_64 GNU/Linux
antiX with runit - lean and mean.
https://antixlinux.com

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Re: What kernel do you use

#216 Post by Head_on_a_Stick »

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empty@hegel:~ $ cat /proc/version                                       
Linux version 4.9.0-6-amd64 (debian-kernel@lists.debian.org) (gcc version 6.3.0 20170516 (Debian 6.3.0-18+deb9u1) ) #1 SMP Debian 4.9.88-1+deb9u1 (2018-05-07)
empty@hegel:~ $
deadbang

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Re: What kernel do you use

#217 Post by Wheelerof4te »

Stretch's default here, too:

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uname -a
Linux debian 4.9.0-6-amd64 #1 SMP Debian 4.9.88-1+deb9u1 (2018-05-07) x86_64 GNU/Linux

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Re: What kernel do you use

#218 Post by anticapitalista »

I'm also using stretch as a base.

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cat /proc/version
Linux version 4.17.0-antix.2-amd64-smp (anticap@antix1) (gcc version 6.3.0 20170516 (Debian 6.3.0-18+deb9u1)) #1 SMP PREEMPT Wed Jun 6 16:18:19 EEST 2018
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Re: What kernel do you use

#219 Post by None1975 »

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Linux debian-02 4.9.0-6-amd64 #1 SMP Debian 4.9.88-1+deb9u1 (2018-05-07) x86_64 GNU/Linux
OS: Debian 12.4 Bookworm / DE: Enlightenment
Debian Wiki | DontBreakDebian, My config files on github

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Re: What kernel do you use

#220 Post by Wheelerof4te »

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uname -a
Linux debian 4.17.1 #1 SMP Fri Jun 15 13:24:38 CEST 2018 x86_64 GNU/Linux
I compiled the upstream kernel from source and installed firmware, including wl module from stretch-backports. Disabling debugging by using

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scripts/config --disable DEBUG_INFO
saved a lot of compile time, so it compiled in about 1h and 25 min.
I wanted to try out new power-saving feature.
My CPU is fluctuating between 0 and 55% for no apparent reason, and my hard drive is being active while doing nothing. As a result, battery is draining, fast. Surprisingly, Broadcom wi-fi card is working.
In short, try not to do this at home and stick to the Debian's kernel :D
I will try to remove intel-microcode, see if that helps.

Update: It seems to have been stable after installing stretch's microcode, not the one from backports. HDD activity is normal.
Update2: Removing microcode again, CPU seems to be at 100% sometimes when playing 720p+ videos on Youtube. This benchmarking is troublesome indeed.
And what-do-you-know, it worked.

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Re: What kernel do you use

#221 Post by bester69 »

Wheelerof4te wrote:-...so it compiled in about 1h and 25 min.
.....My CPU is fluctuating between 0 and 55% for no apparent reason, and my hard drive is being active while doing nothing....
You can also install ubuntu's kernel in 5 minits and avoid problems.., I would do so.. :twisted:, Im using ubuntu's kernel for tree year now Im too old to complicate my life.

By the way, Im now gonna install and test 4.17.1 now from ubuntu's ftp.
Last edited by bester69 on 2018-06-15 15:26, edited 1 time in total.
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Wheelerof4te
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Re: What kernel do you use

#222 Post by Wheelerof4te »

^Ok, report on how it goes on your end.
I compiled it because that's the best way to experience upstream stable kernel without extra patches from dowstream. Time spent on it didn't affect me since I wasn't doing anything special at the moment that required my laptop.

I removed intel-microcode, it works even better now than before. Plus I got rid of some non-free stuff, so there's that :)

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Re: What kernel do you use

#223 Post by stevepusser »

bester69 wrote:Finally i was able to upgrade kernel without losing performance..
I moved form 4.4.39 to 4.4.126 without losing performance..Testing it for four days, i feel a good performance.

Code: Select all

Linux hall 4.4.126-0404126-generic #201803311331 SMP Sat Mar 31 17:34:08 UTC 2018 x86_64 GNU/Linux
:D

I guess Meltdown is included by now.
Don't guess---install spectre-meltdown-checker to see for sure. Use the latest script from git to get the bad news about newer Spectre variants...not that there's any mitigation for those yet. :(
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bester69
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Re: What kernel do you use

#224 Post by bester69 »

stevepusser wrote:
bester69 wrote:Finally i was able to upgrade kernel without losing performance..
I moved form 4.4.39 to 4.4.126 without losing performance..Testing it for four days, i feel a good performance.

Code: Select all

Linux hall 4.4.126-0404126-generic #201803311331 SMP Sat Mar 31 17:34:08 UTC 2018 x86_64 GNU/Linux
:D

I guess Meltdown is included by now.
Don't guess---install spectre-meltdown-checker to see for sure. Use the latest script from git to get the bad news about newer Spectre variants...not that there's any mitigation for those yet. :(
Thanks Steve,
I installed it... but I already went back to 4.4.39, I can live with Meltdown and company..they wont hurt me.
CVE-2017-5754 [rogue data cache load] aka 'Meltdown' aka 'Variant 3'
* Kernel supports Page Table Isolation (PTI): NO
* Reduced performance impact of PTI: NO (PCID/INVPCID not supported, performance impact of PTI will be significant)
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Re: What kernel do you use

#225 Post by Wheelerof4te »

I built the latest LTS kernel. Only thing I needed to do is build broadcom-sta-source from backports. It's easy with module-assistant.

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uname -a
Linux debian 4.14.53 #1 SMP Sun Jul 8 19:25:45 CEST 2018 x86_64 GNU/Linux

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Re: What kernel do you use

#226 Post by anticapitalista »

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cat /proc/version
Linux version 4.17.4-antix.2-amd64-smp (yyy@xxx) (gcc version 6.3.0 20170516 (Debian 6.3.0-18+deb9u1)) #1 SMP PREEMPT Wed Jul 4 13:44:47 EEST 2018
antiX with runit - lean and mean.
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Re: What kernel do you use

#227 Post by stevepusser »

Wheelerof4te wrote:I built the latest LTS kernel. Only thing I needed to do is build broadcom-sta-source from backports. It's easy with module-assistant.

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uname -a
Linux debian 4.14.53 #1 SMP Sun Jul 8 19:25:45 CEST 2018 x86_64 GNU/Linux
Doesn't it work with broadcom-sta-dkms from backports to automate the builds?

For what it's worth, I'm also backporting the upstream Debian kernels to Stretch in an OBS repo:

https://build.opensuse.org/package/show ... linux-4.17

Works fine on my machine, even with the new 20180703.2 firmware backported. But YMMV.

Instructions (don't install the linux-source-4.17 package, that's just a common package between the builds needed to access the automatically-generated instruction page on the OBS. Just install the new linux-image and linux-headers after adding the repo and its key.)

https://software.opensuse.org//download ... ource-4.17
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Re: What kernel do you use

#228 Post by Wheelerof4te »

stevepusser wrote:Doesn't it work with broadcom-sta-dkms from backports to automate the builds?
It should work, but I decided against it.
Don't know why, maybe this way was more "fun", or at least more involving. I will be upgrading kernels manually...I have the LAN cable at the ready if it's needed.
I also copied firmware from upstream git for my AMD R5 330m card to /lib/firmware/radeon. Naturally, firmware-adm-graphics package was uninstalled, as it's no longer needed.

EDIT: Linux 4.14.53 is running here without any issues.
EDIT2: Video playback on X in Totem skips and micro-freezes. Audio also grinds on some programs. Cue Wayland, and everything works great. Weird.

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Re: What kernel do you use

#229 Post by dotlj »

Today I'm running a few vms on VirtualBox, so booted from the 4.14 kernel.

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cat /proc/version 
Linux version 4.14.0-0.bpo.3-amd64 (debian-kernel@lists.debian.org) (gcc version 6.3.0 20170516 (Debian 6.3.0-18)) #1 SMP Debian 4.14.13-1~bpo9+1 (2018-01-14)
Other days, I'll use one of the other backport kernels; 4.15, 4.16, 4.17.

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Re: What kernel do you use

#230 Post by Jimmyfd »

Just installed Debian Sid/Buster running kernel 2.18.0.2 and it's simply stable - Just left Ubuntu totaly for Debian !
UBUNTU ? Debian programmer gone mad !

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