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#1 2020-12-01 21:54:08

Altoid
Member
Registered: 2017-05-07
Posts: 529  

Beowulf kernel question

Hello:

Today I put a spare HDD on my 1000HE to try and see how devuan_beowulf_3.0.0_i386 does there, hardware limitations and all.

Downloaded the netinstall *.iso here: https://files.devuan.org/devuan_beowulf/installer-iso/

groucho@eee-dev3:~$ uname -a
Linux eee-dev3 4.19.0-12-686 #1 SMP Debian 4.19.152-1 (2020-10-18) i686 GNU/Linux
groucho@eee-dev3:~$

A line in dmesg caught my attention:

[    0.000000] Notice: NX (Execute Disable) protection cannot be enabled: non-PAE kernel!

But the Intel Atom N280 inside is PAE able.

groucho@eee-dev3:~$ cat /proc/cpuinfo | grep flags | grep pae
flags		: fpu vme de pse tsc msr *pae* mce cx8 apic sep mtrr pge mca cmov pat clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc arch_perfmon pebs bts cpuid aperfmperf pni dtes64 monitor ds_cpl est tm2 ssse3 xtpr pdcm movbe lahf_lm dtherm
groucho@eee-dev3:~$ 

It seems I may have installed the wrong kernel?
Can this get fixed without reinstalling?

TIA,

A.

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#2 2020-12-01 23:22:21

fsmithred
Administrator
Registered: 2016-11-25
Posts: 1,693  

Re: Beowulf kernel question

Install linux-image-686-pae if you want the metapackage (so you get updated kernels with your regular package upgrades). Or else you could install linux-image-<version>-686-pae for a specific kernel.

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#3 2020-12-01 23:45:30

Altoid
Member
Registered: 2017-05-07
Posts: 529  

Re: Beowulf kernel question

Hello:

Thanks for the fast reply.  8^)

fsmithred wrote:

Install linux-image-686-pae if you want the metapackage ...
Or else you could install linux-image-<version>-686-pae ...

I was fiddling with the install and ended up installing both.
Seems the metapackage is the best/most convenient option.

Should I uninstall the version specific package?
It's taking up space.

TIA,

A.

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#4 2020-12-02 01:33:50

GlennW
Member
Registered: 2019-07-18
Posts: 69  

Re: Beowulf kernel question

if you use the meta (package) you'll need the version specific (package) too.

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#5 2020-12-02 04:18:20

fsmithred
Administrator
Registered: 2016-11-25
Posts: 1,693  

Re: Beowulf kernel question

You can uninstall the non-pae kernel after you reboot into the new one.

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#6 2020-12-02 10:13:58

Altoid
Member
Registered: 2017-05-07
Posts: 529  

Re: Beowulf kernel question

Hello:

GlennW wrote:

if you use the meta (package) you'll need the version specific (package) too.

fsmithred wrote:

You can uninstall the non-pae kernel after you reboot into the new one.

Right ...

Done.
Now NX protection is active.

Thank you both for your input. 8^D

Best,

A.

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