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What kernel do you use

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

#31 Post by Hallvor »

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hallvor@debian-ultrabook:~$ uname -a
Linux debian-ultrabook 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux
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Re: What kernel do you use

#32 Post by Jimmyfd »

It seems there were some error in kernel 4.8 final - The kernel team have released kernel 4.8.1 generic:

http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D
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Re: What kernel do you use

#33 Post by stevepusser »

Jimmyfd wrote:It seems there were some error in kernel 4.8 final - The kernel team have released kernel 4.8.1 generic:

http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D
Point releases are normal, and released on a standard schedule. There's always bugs, minor or otherwise, being found and fixed with every point release. Why did you feel the need to publicize this one over all the others?

BTW--the Ubuntu kernel team is not the Debian kernel team, nor the main upstream kernel developers, though nothing keeps them from sharing personnel.
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Re: What kernel do you use

#34 Post by bester69 »

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
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Re: What kernel do you use

#35 Post by Alley Cat »

stevepusser wrote:
Jimmyfd wrote:It seems there were some error in kernel 4.8 final - The kernel team have released kernel 4.8.1 generic:

http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D
Point releases are normal, and released on a standard schedule. There's always bugs, minor or otherwise, being found and fixed with every point release. Why did you feel the need to publicize this one over all the others?

BTW--the Ubuntu kernel team is not the Debian kernel team, nor the main upstream kernel developers, though nothing keeps them from sharing personnel.
Actually they sort of were for a bit:
Will Linux 3.16 get long term support from upstream?
The Linux 3.16-stable branch will not be maintained as a longterm branch at kernel.org. However, the Ubuntu kernel team will continue to maintain that branch, following the same rules for acceptance and review, until around April 2016. Ben Hutchings is planning to continue maintenance from then until the end of regular support for 'jessie'.
https://bits.debian.org/2014/07/kernel- ... essie.html

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Re: What kernel do you use

#36 Post by bester69 »

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,
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Re: What kernel do you use

#37 Post by edbarx »

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,
Bester69, priorities differ. A kernel is much more than performance and driver compatibility. Many uses require extremely well tested kernels.
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Re: What kernel do you use

#38 Post by bester69 »

edbarx 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,
Bester69, priorities differ. A kernel is much more than performance and driver compatibility. Many uses require extremely well tested kernels.
for regular users??,for critical factory envirovments purposes, or financials computers or maybe even just productions servers companies where there is too much in risk,i understand a driver may failt causing a drop down so you would go for the most tested kernel, but for desktop computer i dont see the point...., ive never seen nothing wrong with any kernel i tried in my computer.
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Re: What kernel do you use

#39 Post by Nili »

Old wood best to burn,
old wine to drink,
old friends to trust,
old kernel to enjoy experience and maturity.
and old authors to read. -- Athenaeus
Other reasons are clearly explained above if you try to read it once again.
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Re: What kernel do you use

#40 Post by bester69 »

Nili wrote:
Old wood best to burn,
old wine to drink,
old friends to trust,
old kernel to enjoy experience and maturity.
and old authors to read. -- Athenaeus
Other reasons are clearly explained above if you try to read it once again.

jejej, I recognised ancient/past is better, I always liked vintage, i prefer old movies 70's to 90's, i love ancient furnitures, and i miss ancient clothes and old people behavior and society, I think the best about humanity has gone behind in around 70's-80's but when its about technology i prefer new ones. :lol: , but hey, i also kind of miss those days when we have wait for loading a tape game in the Spectrum 48K. :mrgreen:
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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 :)
deadbang

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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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