LinuxQuestions.org
Welcome to the most active Linux Forum on the web.
Home Forums Tutorials Articles Register
Go Back   LinuxQuestions.org > Forums > Linux Forums > Linux - Distributions > Slackware
User Name
Password
Slackware This Forum is for the discussion of Slackware Linux.

Notices


Reply
  Search this Thread
Old 05-15-2019, 03:41 AM   #1306
GazL
LQ Veteran
 
Registered: May 2008
Posts: 6,918

Rep: Reputation: 5035Reputation: 5035Reputation: 5035Reputation: 5035Reputation: 5035Reputation: 5035Reputation: 5035Reputation: 5035Reputation: 5035Reputation: 5035Reputation: 5035

How does this latest mitigation for intel's incompetence effect performance?
 
Old 05-15-2019, 03:48 AM   #1307
ponce
LQ Guru
 
Registered: Aug 2004
Location: Pisa, Italy
Distribution: Slackware
Posts: 7,130

Rep: Reputation: 4202Reputation: 4202Reputation: 4202Reputation: 4202Reputation: 4202Reputation: 4202Reputation: 4202Reputation: 4202Reputation: 4202Reputation: 4202Reputation: 4202
Quote:
Originally Posted by GazL View Post
How does this latest mitigation for intel's incompetence effect performance?
I had to disable hyperthreading in the bios of some of the xeon servers here so I would say "a lot"...
 
2 members found this post helpful.
Old 05-15-2019, 04:09 AM   #1308
Lysander666
Senior Member
 
Registered: Apr 2017
Location: The Underearth
Distribution: Ubuntu, Debian, Slackware
Posts: 2,178
Blog Entries: 6

Rep: Reputation: 2470Reputation: 2470Reputation: 2470Reputation: 2470Reputation: 2470Reputation: 2470Reputation: 2470Reputation: 2470Reputation: 2470Reputation: 2470Reputation: 2470
Gah, I had a lock up in 4.19.42 yesterday and was waiting for a more 'stable' 4.19.4x, doesn't look like that's going to be happening any time soon. Just as well I still have 4.19.34, I think I'll stick with that one until this blows over.

EDIT: The headers are from 4.19.42 but I don't know if this makes any difference.

EDIT2: apparently not.

Last edited by Lysander666; 05-15-2019 at 02:43 PM.
 
Old 05-15-2019, 08:16 AM   #1309
cwizardone
LQ Veteran
 
Registered: Feb 2007
Distribution: Slackware64-current with "True Multilib" and KDE4Town.
Posts: 9,167

Original Poster
Rep: Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339
Another round of updates has been scheduled for release Friday morning, GMT.

If no problems are found while testing the release candidates, they might be available sometime on Thursday (depending on your time zone).

All of the kernels currently maintained by Mr. Kroah-Hartman will be updated.

Last edited by cwizardone; 05-15-2019 at 08:20 AM.
 
3 members found this post helpful.
Old 05-15-2019, 05:27 PM   #1310
abga
Senior Member
 
Registered: Jul 2017
Location: EU
Distribution: Slackware
Posts: 1,634

Rep: Reputation: 929Reputation: 929Reputation: 929Reputation: 929Reputation: 929Reputation: 929Reputation: 929Reputation: 929
Hope they also release a patched 4.4.x for these new Intel MDS(ZombieLoad) vulnerabilities.
The documentation is already available:
https://www.kernel.org/doc/html/late...-vuln/mds.html
 
Old 05-15-2019, 07:02 PM   #1311
cwizardone
LQ Veteran
 
Registered: Feb 2007
Distribution: Slackware64-current with "True Multilib" and KDE4Town.
Posts: 9,167

Original Poster
Rep: Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339
Quote:
Originally Posted by abga View Post
Hope they also release a patched 4.4.x for these new Intel MDS(ZombieLoad) vulnerabilities.
The documentation is already available:
https://www.kernel.org/doc/html/late...-vuln/mds.html
4.4.180 will have 266 patches. You can check here for patches you might be interested in,

http://lkml.iu.edu/hypermail/linux/k...5.1/06838.html
 
2 members found this post helpful.
Old 05-15-2019, 07:38 PM   #1312
abga
Senior Member
 
Registered: Jul 2017
Location: EU
Distribution: Slackware
Posts: 1,634

Rep: Reputation: 929Reputation: 929Reputation: 929Reputation: 929Reputation: 929Reputation: 929Reputation: 929Reputation: 929
Quote:
Originally Posted by cwizardone View Post
4.4.180 will have 266 patches. You can check here for patches you might be interested in,

http://lkml.iu.edu/hypermail/linux/k...5.1/06838.html
Thanks! MDS mitigations are available in the changelog there. Need to wait now for the official release of 4.4.180, meanwhile preparing the systems - updating the microcode.
Wondering what the performance penalties would be with these kernel+microcode mitigations for MDS.

Found this official Intel article showing some charts:
https://www.intel.com/content/www/us...ology/mds.html
Phoronix looks busy running some benchmarks on his own, estimating an up to 10% performance cost...
https://www.phoronix.com/scan.php?pa...S-Kernel-Fixes
 
3 members found this post helpful.
Old 05-16-2019, 08:55 AM   #1313
cwizardone
LQ Veteran
 
Registered: Feb 2007
Distribution: Slackware64-current with "True Multilib" and KDE4Town.
Posts: 9,167

Original Poster
Rep: Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339
Kernel update 3.18.140 is now available at

https://www.kernel.org/

The change log,

https://cdn.kernel.org/pub/linux/ker...geLog-3.18.140
 
Old 05-16-2019, 10:50 AM   #1314
allend
LQ 5k Club
 
Registered: Oct 2003
Location: Melbourne
Distribution: Slackware64-15.0
Posts: 6,383

Rep: Reputation: 2762Reputation: 2762Reputation: 2762Reputation: 2762Reputation: 2762Reputation: 2762Reputation: 2762Reputation: 2762Reputation: 2762Reputation: 2762Reputation: 2762
This from http://lkml.iu.edu/hypermail/linux/k...5.1/06838.html kind of sums it all up.
Quote:
arch/x86/kernel/cpu/bugs.c | 643 +++++++++++++++++----
So, after 5.5 months, a vulnerability assigned a CVE in late 2018 is now being mitigated (I note that Windows 10 has also had an update to address this). Yet Intel claims it was previously aware.
From https://www.intel.com/content/www/us...ology/mds.html
Quote:
First identified by Intel's internal researchers and partners, and independently reported to Intel by external researchers...
At least the CEO at Volkswagen had the decency to resign when the company was caught cheating emission testing. Sadly, Intel is not displaying corporate accountability.

PS - And people wonder why a stable Slackware release is being delayed.
 
6 members found this post helpful.
Old 05-16-2019, 01:18 PM   #1315
cwizardone
LQ Veteran
 
Registered: Feb 2007
Distribution: Slackware64-current with "True Multilib" and KDE4Town.
Posts: 9,167

Original Poster
Rep: Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339
Kernel updates 5.1.3, 5.0.17, 4.19.44, 4.14.120, 4.9.177 and 4.4.180 are now available at

https://www.kernel.org/

The change logs,

https://cdn.kernel.org/pub/linux/ker...hangeLog-5.1.3

https://cdn.kernel.org/pub/linux/ker...angeLog-5.0.17

https://cdn.kernel.org/pub/linux/ker...ngeLog-4.19.44

https://cdn.kernel.org/pub/linux/ker...geLog-4.14.120

https://cdn.kernel.org/pub/linux/ker...ngeLog-4.9.177

https://cdn.kernel.org/pub/linux/ker...ngeLog-4.4.180

Dave's Unofficial Slackbuilt Kernel update for the 4.4.x series
can be found at, https://dusk.idlemoor.tk

Last edited by cwizardone; 05-16-2019 at 09:16 PM.
 
1 members found this post helpful.
Old 05-16-2019, 04:22 PM   #1316
abga
Senior Member
 
Registered: Jul 2017
Location: EU
Distribution: Slackware
Posts: 1,634

Rep: Reputation: 929Reputation: 929Reputation: 929Reputation: 929Reputation: 929Reputation: 929Reputation: 929Reputation: 929
Quote:
Originally Posted by allend View Post
This from http://lkml.iu.edu/hypermail/linux/k...5.1/06838.html kind of sums it all up.

So, after 5.5 months, a vulnerability assigned a CVE in late 2018 is now being mitigated (I note that Windows 10 has also had an update to address this). Yet Intel claims it was previously aware.
From https://www.intel.com/content/www/us...ology/mds.html

At least the CEO at Volkswagen had the decency to resign when the company was caught cheating emission testing. Sadly, Intel is not displaying corporate accountability.

PS - And people wonder why a stable Slackware release is being delayed.
I noticed that statement myself and wondered, why on earth haven't they patched it earlier if they already knew about it...

Here they have a "Deep Dive" more detailed analysis covering all 4 CVEs:
https://software.intel.com/security-...-data-sampling

Related to the corporate responsibility, they already lost a CEO and I have a more practical suggestion, they should refund the performance loss (percentage) out of their "Recommended Customer Price" for all these vulnerabilities (Meltdown&co). This recommended price looks to be present for all their CPUs:
https://ark.intel.com/content/www/us...ml#@Processors

Last edited by abga; 05-16-2019 at 04:23 PM. Reason: typo
 
1 members found this post helpful.
Old 05-19-2019, 06:02 PM   #1317
cwizardone
LQ Veteran
 
Registered: Feb 2007
Distribution: Slackware64-current with "True Multilib" and KDE4Town.
Posts: 9,167

Original Poster
Rep: Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339
5.2-rc1

The newest "mainline" development kernel, version 5.2-rc1, has been been made available for testing.

The tarball, https://git.kernel.org/torvalds/t/linux-5.2-rc1.tar.gz

Mr. Torvalds' announcement, http://lkml.iu.edu/hypermail/linux/k...5.2/02345.html

Last edited by cwizardone; 05-19-2019 at 08:18 PM.
 
Old 05-20-2019, 07:43 AM   #1318
cwizardone
LQ Veteran
 
Registered: Feb 2007
Distribution: Slackware64-current with "True Multilib" and KDE4Town.
Posts: 9,167

Original Poster
Rep: Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339Reputation: 7339
To quote that great American philosopher ( ), Jackie Gleason, "And Away We Go."
https://en.wikipedia.org/wiki/Jackie_Gleason

Another round of updates has been scheduled for release just before Noon on Wednesday morning, GMT.

If no problems are found while testing the release candidates, they might be available sometime on Tuesday or early Wednesday morning (depending on your time zone).

Last edited by cwizardone; 05-20-2019 at 07:45 AM.
 
Old 05-20-2019, 12:38 PM   #1319
SCerovec
Senior Member
 
Registered: Oct 2006
Location: Cp6uja
Distribution: Slackware on x86 and arm
Posts: 2,480
Blog Entries: 2

Rep: Reputation: 986Reputation: 986Reputation: 986Reputation: 986Reputation: 986Reputation: 986Reputation: 986Reputation: 986
Talking

Quote:
Originally Posted by allend View Post
[snip]

At least the CEO at Volkswagen had the decency to resign when the company was caught cheating emission testing. Sadly, Intel is not displaying corporate accountability.

PS - And people wonder why a stable Slackware release is being delayed.
Slackware can't afford resignation at CEO level - that's why the delay
 
2 members found this post helpful.
Old 05-20-2019, 01:40 PM   #1320
abga
Senior Member
 
Registered: Jul 2017
Location: EU
Distribution: Slackware
Posts: 1,634

Rep: Reputation: 929Reputation: 929Reputation: 929Reputation: 929Reputation: 929Reputation: 929Reputation: 929Reputation: 929
Quote:
Originally Posted by abga View Post
Phoronix looks busy running some benchmarks on his own, estimating an up to 10% performance cost...
https://www.phoronix.com/scan.php?pa...S-Kernel-Fixes
Fresh benchmarks from Phoronix including the MDS mitigations performance impact (pretty long/detailed - skip to the last pages for conclusions):
https://www.phoronix.com/scan.php?pa...load-mit&num=1
https://www.phoronix.com/scan.php?pa...mds-xeon&num=1
 
1 members found this post helpful.
  


Reply



Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is Off
HTML code is Off



Similar Threads
Thread Thread Starter Forum Replies Last Post
Linux.conf.au: Latest Linux kernel release due early March DragonSlayer48DX Linux - News 0 01-18-2010 10:43 PM
No video on latest kernel release Tralce Linux - Kernel 3 11-30-2006 07:48 AM
What is the latest Redhat release TILEMANN Linux - Software 5 11-20-2006 10:48 PM
LXer: News: OpenVZ To Release Support, Patches for Latest Kernel LXer Syndicated Linux News 0 11-01-2006 10:54 PM
latest debian release? doralsoral Linux - Software 5 12-25-2004 12:40 PM

LinuxQuestions.org > Forums > Linux Forums > Linux - Distributions > Slackware

All times are GMT -5. The time now is 08:47 PM.

Main Menu
Advertisement
My LQ
Write for LQ
LinuxQuestions.org is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
Syndicate
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
Open Source Consulting | Domain Registration