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What kernel do you use

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

#41 Post by Nili »

As it is so, Yes, some old things are not easily pulled out :)
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Re: What kernel do you use

#42 Post by Linadian »

bester69 wrote:I think differents versions's kernel behave differente in each computer, or, at least i felt that way,

in my case, i recentlly tried 4.7 bpo debian's kernel and 4.8 ubuntu's kernel, and i fell they performance worse than ubuntu's 4.7.6,

this last kernel --> 4.7.6 ubuntu's its working great in my computer, i fell it quicker and smoother, i tried two times others kernel (4.7bpo and 4.8) to see if it was placebo, and i feel they both dont performance as well as 4.7.6 ubuntu's in my laptop, so its kind of extrange, my final conclusion is that every kernel behave different in the same computer.

Now, im pretty happy with kernel's ubuntu 4.7.6

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bester@hall:~/scripts$ uname -a
Linux hall 4.7.6-040706-generic #201609300531 SMP Fri Sep 30 09:33:47 UTC 2016 x86_64 GNU/Linux
ill try 4.9 when it comes to see if it give me some gain, and i can keep moving on
I get the same results as you, different kernels behave differently. My rule of thumb is the highest LTS kernel with the best EOL date available (in repos) for my 3 installed distros, without insane backporting, etc. Newer, stable and well tested kernels have better bug fixes and hardware compatibility. The highest version isn't always the best, anything above long-term is beta to me. :wink:
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Re: What kernel do you use

#43 Post by Innovate »

bester69 wrote:The question is, what gain do you get by using 3.16 kernel insteed of newers or latest kernel?
,At least it has to be with performance or drivers compatibilities i dont understand your point!.

Old kernels must be for old computers,
Virtualbox linux 3.16 kernel headers support.
You can try even you built 4.7,4.8,4.9++ kernel & headers it won't work with virtualbox.

Even you run /etc/init.d/vboxdrv setup it's not gonna work.

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Re: What kernel do you use

#44 Post by bester69 »

Innovate wrote:
bester69 wrote:The question is, what gain do you get by using 3.16 kernel insteed of newers or latest kernel?
,At least it has to be with performance or drivers compatibilities i dont understand your point!.

Old kernels must be for old computers,
Virtualbox linux 3.16 kernel headers support.
You can try even you built 4.7,4.8,4.9++ kernel & headers it won't work with virtualbox.
Even you run /etc/init.d/vboxdrv setup it's not gonna work.
My experience with Virtualbox, is that is better to install from official page, that package has kernel embedded headers or so, so you dont't need dkms packages, I usually update virtualbox with no problem for any kernel. I got into troubles when i try virtualbox from repositories..

hehehe, now i've ubuntu's virtualbox package installed as i installed ubuntu's kernel 4.7.6 in stretch

i repeat, there is no point in using 3.16 kernel unless you're kind of paranoic looking for superstable system, you have issues driver or, your computer performance better with that old kernel.


but for what i see in regular posts, i think debian's users community are kind of paranoic stable stand for.. :twisted: which i respect eh
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Re: What kernel do you use

#45 Post by Innovate »

Just as I planned you'd answer by using FrankenDebian method by mixing Linux 4.7-4.8 kernel from Ubuntu repo.
If I didn't answer that ironic truth. You'll never understand what's Debian communities thinking.
You'll end up "Why?! Why!? Why!? you do still use 3.16 it's ridiculious. I don't get you guys Debianies" like you always did forever. :lol:
Everything that you've done up until now are according to my plan.
All your cocky statement I've made you answer like this on purpose. 8)

Let's see what will Debian communities respond with your mixing Linux 4.7-4.8 on Debian with Ubuntu repo
Will they have better reason to stick with 3.16 than that or they're going to agree with your FrankenDebian method.
I'll looking forward to it. :wink:

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Re: What kernel do you use

#46 Post by bester69 »

In my computer:

Kernel's i tried:

debian 4.7.0--> REGULAR
debian 4.7.5--> REGULAR
debian 4.7.6--> REGULAR
ubuntu 4.7.6--> GREAT
ubuntu 4.7.7--> REGULAR
ubuntu 4.8.0 -->REGULAR
ubuntu 4.8.2 --> GREAT

Now, Using Ubuntu's 4.8.2 (before 4.7.6)

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mycojones@hall:~$ uname -a
Linux hall 4.8.2-040802-generic #201610161339 SMP Sun Oct 16 17:41:46 UTC 2016 x86_64 GNU/Linux

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Re: What kernel do you use

#47 Post by Head_on_a_Stick »

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$ uname -a
OpenBSD OpenBSD.lan 6.0 GENERIC.MP#0 amd64
dmesg(8) gives a little more information:

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OpenBSD 6.0-current (GENERIC.MP) #0: Sun Oct 16 18:57:06 MDT 2016
I love the smell of a fresh kernel :)
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Re: What kernel do you use

#48 Post by Nili »

On the Stable Kernel/OS, we got a new kernel update yesterday (security and bug fix) read more

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Linux kernel 3.16.0-4-686-pae #1 SMP Debian 3.16.36-1+deb8u2 (2016-10-19) i686 GNU/Linux
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Re: What kernel do you use

#49 Post by Innovate »

Oh my, I'm glad I read this news about 4.8

http://www.theregister.co.uk/2016/10/05 ... _linux_48/

I'll just skipped to 4.9 or 5.0 when it comes or stay back on 3.16, 4.7

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Re: What kernel do you use

#50 Post by pylkko »

Innovate wrote:Oh my, I'm glad I read this news about 4.8

http://www.theregister.co.uk/2016/10/05 ... _linux_48/

I'll just skipped to 4.9 or 5.0 when it comes or stay back on 3.16, 4.7
First of all, 4.8.1. was released immediately thereafter effectively removing "buggy crap". It is now at 4.8.3 and likely much more stable.
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.1 wrote:commit 0b09f2d43201472327b80f9978cd768b46353a34
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon Oct 3 21:03:48 2016 -0700

Using BUG_ON() as an assert() is _never_ acceptable

commit 21f54ddae449f4bdd9f1498124901d67202243d9 upstream.

That just generally kills the machine, and makes debugging only much
harder, since the traces may long be gone.

Debugging by assert() is a disease. Don't do it. If you can continue,
you're much better off doing so with a live machine where you have a
much higher chance that the report actually makes it to the system logs,
rather than result in a machine that is just completely dead.

The only valid situation for BUG_ON() is when continuing is not an
option, because there is massive corruption. But if you are just
verifying that something is true, you warn about your broken assumptions
(preferably just once), and limp on.

Fixes: 22f2ac51b6d6 ("mm: workingset: fix crash in shadow node shrinker caused by replace_page_cache_page()")
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Second, the next kernel after 4.9 is 4.10.

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Re: What kernel do you use

#51 Post by Nili »

As a slashdot reader saw very early once the news come up.

back on topic...
Let see how many linux image we've on our system with below command

dpkg -l | grep linux-image

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ii  linux-image-3.16.0-4-686-pae  3.16.36-1+deb8u2                  i386         Linux 3.16 for modern PCs
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Re: What kernel do you use

#52 Post by Ardouos »

Guys, I just updated my kernel!

Before:
Ardouos wrote:$ uname -r
3.16.0-4-amd64
After:

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$ uname -r
3.16.0-4-amd64
:lol:
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Re: What kernel do you use

#53 Post by RU55EL »

At the moment:

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$ uname -r
4.7.7-200.fc24.x86_64
Of course, this computer is running Fedora 24...it's time to put Debian stable back on this computer and get back to the good old kernals!

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Re: What kernel do you use

#54 Post by stevepusser »

Cureently running this thing that I backported yesterday:

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4.8.0-2.1-liquorix-amd64 #1 ZEN SMP PREEMPT liquorix 4.8-2 (2016-10-20) x86_64 GNU/Linux
It's also in the same OBS repo that I backported codelite in a while back, if anyone else wants to give it a spin:

https://software.opensuse.org/download. ... e=codelite
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Re: What kernel do you use

#55 Post by stevepusser »

Ardouos wrote:Guys, I just updated my kernel!

Before:
Ardouos wrote:$ uname -r
3.16.0-4-amd64
After:

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$ uname -r
3.16.0-4-amd64
:lol:
Use "uname -a" to get the full kernel information.
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Re: What kernel do you use

#56 Post by Ardouos »

stevepusser wrote: Use "uname -a" to get the full kernel information.
That was the joke. :(
Last edited by Ardouos on 2016-10-22 08:47, edited 1 time in total.
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Re: What kernel do you use

#57 Post by stevepusser »

OK, I see. :?

I'm redoing the Liquorix Kernel right now in the OBS because I added the patch to fix the Cow problem (CVE-2016-5195), so it'll take an hour or two. We're also going to have to add it to any unmaintained backports kernel, such as the 4.2 one in MX 15 x64.
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Re: What kernel do you use

#58 Post by Linadian »

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[kerplunk@Mark-13 ~]$ uname -r
4.8.3-pclos1
The R7 250 chip/fan racing is not as bad. Had a look in hardinfo as well, far less kernel module bloat, this may be a keeper (in PCLOS), my Devuan and Ubuntu 14.04 Xfce are another story.
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Re: What kernel do you use

#59 Post by Ardouos »

Sorry for the confusion Steve.

stevepusser wrote: I'm redoing the Liquorix Kernel right now in the OBS because I added the patch to fix the Cow problem (CVE-2016-5195)
Nice! Your contributions are always welcome.
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Re: What kernel do you use

#60 Post by Linadian »

I found out why the video card fan idles slightly faster in newer kernels compared to older kernels...found this in boot.log/dmesg...

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[    1.794901] [drm] Loading oland Microcode
[    1.795071] [drm] Internal thermal controller with fan control
So the video card chip isn't racing at all, it's just the cooling fan got a little idle speed bump. Was wondering why the Radeon temperature is slightly lower at idle than older kernels. Well I'll be a monkey's uncle. FYI, after they system is up for a little while, the fan settles down somewhat.
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