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 Forum index » Advanced Topics » Additional Software (PETs, n' stuff) » System
huge-kernels for woof-ce puppies
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ozsouth

Joined: 01 Jan 2010
Posts: 564
Location: S.E Australia

PostPosted: Mon 20 May 2019, 04:14    Post subject: Zombieload mitigated kernel  

I've made a 64bit Xenial/Bionic compatible 4.19.44 kernel via Puppy kernel-kit, with the no firmware option. Is partially Zombieload mitigated. Is Spectre/Meltdown mitigated (except 3a). Needs firmware by making own (or using another) fdrv . Uses performance cpu governor by default (max speed). This is the first kernel I've made with the Bionic64 DOTconfig - tested OK in Bionicpup64 (& Slacko64 with path modified to /usr/lib64 in zdrv) - a bit slower than original. Use at own risk.
See: https://archive.org/download/Puppy_Linux_Huge-Kernels/huge-4.19.44-64oz.tar.bz2

Last edited by ozsouth on Thu 30 May 2019, 05:28; edited 5 times in total
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peebee


Joined: 21 Sep 2008
Posts: 3987
Location: Worcestershire, UK

PostPosted: Mon 20 May 2019, 04:44    Post subject:  

64-bit 5.1.x now available:
http://www.murga-linux.com/puppy/viewtopic.php?p=1028625#1028625

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LxPup = Puppy + LXDE
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musher0

Joined: 04 Jan 2009
Posts: 14307
Location: Gatineau (Qc), Canada

PostPosted: Mon 20 May 2019, 05:25    Post subject:  

Nobody's building 32-bit kernels anymore, eh?
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musher0
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ozsouth

Joined: 01 Jan 2010
Posts: 564
Location: S.E Australia

PostPosted: Mon 20 May 2019, 05:46    Post subject:  

@musher - peebee has built some 32bit. Trying 4.9.177 pae later.
The zombieload mitigation kernels have just been released, so we make what we can test (& use) first, then others. I have a Slacko64 4.14.120 kernel compiling now (takes me 3+ hours). Am posting using Peebee's 5.1.3 64bit kernel in Slacko64-700rc3 - works so well I may not bother posting 4.14.120. (EDIT - won't post - didn't work well. Sticking with my 4.19.44 as slow FAT access with others).

Last edited by ozsouth on Tue 21 May 2019, 00:44; edited 2 times in total
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peebee


Joined: 21 Sep 2008
Posts: 3987
Location: Worcestershire, UK

PostPosted: Mon 20 May 2019, 07:01    Post subject:  

musher0 wrote:
Nobody's building 32-bit kernels anymore, eh?

You can use 64-bit kernels with 32-bit systems so long as your processor is 64-bit - try it and see!

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musher0

Joined: 04 Jan 2009
Posts: 14307
Location: Gatineau (Qc), Canada

PostPosted: Mon 20 May 2019, 08:21    Post subject:  

peebee wrote:
musher0 wrote:
Nobody's building 32-bit kernels anymore, eh?

You can use 64-bit kernels with 32-bit systems so long as your processor is 64-bit - try it and see!
Hi peebee.

I know that. I meant the real McCoy.

BFN.

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ozsouth

Joined: 01 Jan 2010
Posts: 564
Location: S.E Australia

PostPosted: Mon 20 May 2019, 22:28    Post subject:  

I've made a 32bit 4.9.177 i686 pae kernel via Puppy kernel-kit, with firmware included. No fdrv needed. Is partially Zombieload mitigated. Is Spectre/Meltdown mitigated (except 3a). Tested OK in upupbb-18.05 (posting from it) - a bit slower than original. Use at own risk.
See: https://archive.org/download/Puppy_Linux_Huge-Kernels/huge-4.9.177-4Goz.tar.bz2

Last edited by ozsouth on Thu 30 May 2019, 05:28; edited 1 time in total
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ozsouth

Joined: 01 Jan 2010
Posts: 564
Location: S.E Australia

PostPosted: Thu 30 May 2019, 01:31    Post subject:  

I've made a 64bit Slacko compatible 4.19.46 kernel via Puppy kernel-kit, with the no firmware option. Is partially Zombieload mitigated. Is Spectre/Meltdown mitigated (except 3a). Needs firmware by making own (or using another) fdrv . Tested OK in Slacko64-700rc3 & ScPup64-19.01. Use at own risk.
See: https://archive.org/download/Puppy_Linux_Huge-Kernels/huge-4.19.46-s64oz.tar.bz2

Last edited by ozsouth on Thu 30 May 2019, 08:24; edited 3 times in total
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peebee


Joined: 21 Sep 2008
Posts: 3987
Location: Worcestershire, UK

PostPosted: Thu 30 May 2019, 03:42    Post subject:  

ozsouth wrote:
I've made a 64bit Slacko compatible 4.19.46 kernel via Puppy kernel-kit, with the no firmware option. Is Zombieload mitigated.

Hi ozsouth

Are you able to say which config items enabled Zombieload mitigation?

With the FatDog configs, I get:
mds:Vulnerable: Clear CPU buffers attempted, no microcode; SMT disabled

on my Intel Xeon desktop........

Thanks
peebee

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ozsouth

Joined: 01 Jan 2010
Posts: 564
Location: S.E Australia

PostPosted: Thu 30 May 2019, 05:17    Post subject:  

Peebee - I get the same result as you. I had read Greg K-H suggesting SMT disabling in kernels released after 15th May was the CURRENT mitigation, along with microcode updates. Perhaps I should say PARTIALLY mitigated. As I understand it, this is as good as it gets for now.
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musher0

Joined: 04 Jan 2009
Posts: 14307
Location: Gatineau (Qc), Canada

PostPosted: Thu 30 May 2019, 10:42    Post subject:  

ozsouth wrote:
I've made a 32bit 4.9.177 i686 pae kernel via Puppy kernel-kit, with firmware included. No fdrv needed. Is partially Zombieload mitigated. Is Spectre/Meltdown mitigated (except 3a). Tested OK in upupbb-18.05 (posting from it) - a bit slower than original. Use at own risk.
See: https://archive.org/download/Puppy_Linux_Huge-Kernels/huge-4.9.177-4Goz.tar.bz2
Thanks, ozsouth.
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musher0
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Je suis né pour aimer et non pas pour haïr. (Sophocle) /
I was born to love and not to hate. (Sophocles)
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ozsouth

Joined: 01 Jan 2010
Posts: 564
Location: S.E Australia

PostPosted: Wed 12 Jun 2019, 23:09    Post subject:  

I've made a 64bit 4.14.123 Slacko64 compatible kernel via Puppy kernel-kit, with no firmware - fdrv needed. Is partially Zombieload mitigated (needs microcode). Is Spectre/Meltdown mitigated (except 3a). Tested OK in Slacko64, ScPup64 & also upupbb-18.05 (with lib path change in zdrv). Use at own risk. See:
https://archive.org/download/Puppy_Linux_Huge-Kernels/huge-4.14.123-64oz.tar.bz2
** SUPERSEDED - see below **

Last edited by ozsouth on Tue 18 Jun 2019, 19:07; edited 3 times in total
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ozsouth

Joined: 01 Jan 2010
Posts: 564
Location: S.E Australia

PostPosted: Fri 14 Jun 2019, 07:02    Post subject: AUFS versions for kernel-kit  

As of 21/7/19, the following aufs versions need to be quoted in build.conf when making current kernels.
(My 4.14.123 64 bit kernel & later aware of this).
4.9.94+
4.14.73+
4.19.17+
5.x-rcN
5.2-20190715
.

Last edited by ozsouth on Wed 24 Jul 2019, 08:56; edited 2 times in total
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ozsouth

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Posts: 564
Location: S.E Australia

PostPosted: Tue 18 Jun 2019, 10:26    Post subject:  

I've made a 64bit 4.14.127 Slacko64 compatible kernel via Puppy kernel-kit, with no firmware - fdrv needed. Is partially Zombieload mitigated (needs microcode - see this howto: http://murga-linux.com/puppy/viewtopic.php?p=1030115#1030115). Is Spectre/Meltdown mitigated. Is TCP_SACK mitigated. Tested OK in Slacko64 & ScPup64. Use at own risk.
Kernel here: https://archive.org/download/Puppy_Linux_Huge-Kernels/huge-4.14.127-64oz.tar.bz2

NOTE: Cannot be used in ubuntu clones unless path /usr/lib64 changed to /usr/lib in kernel-modules.sfs-... file (add .sfs to end) via this:
http://murga-linux.com/puppy/viewtopic.php?p=1028687#1028687
.
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ozsouth

Joined: 01 Jan 2010
Posts: 564
Location: S.E Australia

PostPosted: Thu 27 Jun 2019, 08:48    Post subject:  

I've made a 64bit 4.14.131 Slacko64 compatible kernel via Puppy kernel-kit, with no firmware - fdrv needed. Is partially Zombieload mitigated (needs microcode - see this howto: http://murga-linux.com/puppy/viewtopic.php?p=1030115#1030115). Is Spectre/Meltdown mitigated. Is TCP_SACK mitigated. Tested OK in Slacko64 & ScPup64. Use at own risk. Kernel here:
https://archive.org/download/Puppy_Linux_Huge-Kernels/huge-4.14.131-64oz.tar.bz2
NOTE: Cannot be used in ubuntu clones or with 32bit pups on 64 bit cpu unless path /usr/lib64 changed to /usr/lib in kernel-modules.sfs-... file (add .sfs to end) via this: http://murga-linux.com/puppy/viewtopic.php?p=1028687#1028687
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