Spectre V2 again

Other talk about Salix
Post Reply
User avatar
Van_Vinkle
Donor
Posts: 126
Joined: 25. Oct 2012, 17:39

Spectre V2 again

Post by Van_Vinkle » 10. May 2021, 21:43

I did a look into /var/log/ because I suspected logs were increasing like a monster, but no: var/log only (!) has 2.6 Gb. It seems that I am not obliged to reduce it.

However, regarding syslog file I get

Code: Select all

 cat /var/log/syslog | grep V2 
There are dozens, perhaps hundreds, of lines like this one:

Code: Select all

 May 10 17:33:10 darkstar kernel: [   11.388919] Spectre V2 : System may be vulnerable to spectre v2 
which has perturbated me.

Anyway I ran this script which say me that there is no danger: https://github.com/speed47/spectre-meltdown-checker.

Who do I have to listen to?

User avatar
gapan
Salix Wizard
Posts: 5715
Joined: 6. Jun 2009, 17:40

Re: Spectre V2 again

Post by gapan » 13. May 2021, 23:44

What kernel are you using? I'm not getting any such messages here.

I think the output of that checker script should be trusted.
Image
Image

User avatar
Van_Vinkle
Donor
Posts: 126
Joined: 25. Oct 2012, 17:39

Re: Spectre V2 again

Post by Van_Vinkle » 21. May 2021, 16:41

Code: Select all

$ uname -a
Linux darkstar 4.4.157 #2 SMP Fri Sep 21 00:36:59 CDT 2018 x86_64 AMD Athlon(tm) II X2 250 Processor AuthenticAMD GNU/Linux
(and sorry for the delay)

User avatar
gapan
Salix Wizard
Posts: 5715
Joined: 6. Jun 2009, 17:40

Re: Spectre V2 again

Post by gapan » 21. May 2021, 17:04

The latest one in the repos right now is 4.4.261, so try upgrading to that. The messages will probably go away.
Image
Image

User avatar
Van_Vinkle
Donor
Posts: 126
Joined: 25. Oct 2012, 17:39

Re: Spectre V2 again

Post by Van_Vinkle » 24. May 2021, 15:54

I will not upgrade the kernel, because, as you said, it seems more trustworthy the script than the warning in /var/log/syslog. Besides that, my experience says me be carefull touching the core of the system. And (I hope so) an upgrade to Salix 15.0 is in the near horizon.

Anyway, thank you for your advice.

Post Reply