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#1 2014-02-27 10:00:24

frash23
Member
Registered: 2013-04-19
Posts: 35

Booting in UEFI (and installing?)

Hello,

I have a new laptop which does NOT have an option to turn off UEFI (no switch to CSM or legacy).

The laptop has a weak CPU, so I want to install slitaz as it is so lightweight.

I tried many different systems (and versions) but the only bootable system I found was an ubuntu daily build (GRUB 2.02~beta2-6).

The other systems did work, but X broke when booting. I suspect this might be becauses of a missing driver in the linux kernel (ubuntu daily build works), as booting with 'nomodeset' gives me a terminal (TTY1), and starting X gives me error "No screens found!"

Is it possible to install slitaz on this setup in any way?

Perhaps through a persistent live USB with a compiled linux kernel?

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#2 2014-03-01 11:11:37

marcb
Member
Registered: 2011-08-01
Posts: 22

Re: Booting in UEFI (and installing?)

you should disable secure boot, otherwise only secure boot enabled distribution will be booted

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#3 2014-03-01 11:37:22

frash23
Member
Registered: 2013-04-19
Posts: 35

Re: Booting in UEFI (and installing?)

I already have that off - I am currently running lubuntu on it.

The thing is I need to boot slitaz in UEFI mode, which it at the moment does not support (it would take up extra space, too).

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#4 2014-03-01 15:16:25

mojo
Administrator
Registered: 2011-03-29
Posts: 2,174

Re: Booting in UEFI (and installing?)

It is my understanding that UEFI requires a 64 bit kernel.

Problem 1:

Slitaz 64 kernel will not boot (kernel panics)

Problem 2:

Slitaz 64 is not configured for UEFI:

Kernel configuration required for UEFI :

http://lxr.free-electrons.com/source/Documentation/x86/x86_64/uefi.txt

Slitaz 64 kernel config :

http://hg.slitaz.org/wok/file/df021be024df/linux/stuff/linux-slitaz.config64

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#5 2014-03-01 15:55:56

frash23
Member
Registered: 2013-04-19
Posts: 35

Re: Booting in UEFI (and installing?)

Ah, I see.

So I assume this is being worked on (with low priority)? Something that might come far in the future?

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#6 2014-03-01 15:57:53

marcb
Member
Registered: 2011-08-01
Posts: 22

Re: Booting in UEFI (and installing?)

its true that not all implementation of grub accept to boot 32bit kernel

actually i am booting slitaz cooking from a uefi-enabled netbook, with a grub version from sabayon linux and all works fine

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#7 2014-03-01 16:13:22

frash23
Member
Registered: 2013-04-19
Posts: 35

Re: Booting in UEFI (and installing?)

@marcb how'd you do that? I'd love to hear how smile

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#8 2014-03-01 21:23:01

marcb
Member
Registered: 2011-08-01
Posts: 22

Re: Booting in UEFI (and installing?)

just install grub-efi to hard disk and add slitaz entry (ubuntu grub also works on my system)

eg. in my nbook:

menuentry "slitaz 5 - 3.2.53-slitaz" {

    set gfxpayload=keep

    insmod gzio

    insmod part_gpt

    insmod ext2

    set root='hd0,gpt6'

    search --no-floppy --fs-uuid --set d3f5e161-09fd-4b4d-8874-e33a8d82c798

    echo    'Loading Linux slitaz ...'

    linux    /slitaz/boot/vmlinuz-3.2.53-slitaz kmap=it sound=noconf --

    initrd /slitaz/boot/rootfs.gz

}

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#9 2014-03-02 01:14:07

frash23
Member
Registered: 2013-04-19
Posts: 35

Re: Booting in UEFI (and installing?)

Ah, I see.

But how'd you install slitaz itself? Just a manual "by hand" install?

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#10 2014-04-12 18:46:48

arunj
Member
Registered: 2012-06-11
Posts: 29

Re: Booting in UEFI (and installing?)

I have explained a way to install it on the EFI System Partition (ESP) installed by Ubuntu. Refer it to create new partition and install or on ESP from another distro.

http://wp.me/p2d5ln-3B9

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#11 2014-04-12 19:10:26

frash23
Member
Registered: 2013-04-19
Posts: 35

Re: Booting in UEFI (and installing?)

Oh, thank you!

I bookmarked it as I don't have time to test it at the moment, I will post when I make an attempt!

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#12 2014-04-12 19:47:26

arunj
Member
Registered: 2012-06-11
Posts: 29

Re: Booting in UEFI (and installing?)

You're welcome!

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#13 2017-05-18 22:18:26

Mich-C
Member
Registered: 2016-01-01
Posts: 23

Re: Booting in UEFI (and installing?)

@marcb Ciao, posseggo un tablet con bios UEFI, sono riuscito ad installarci sopra Debian normalmente.

Per avviarlo ho dovuto sostituire il bootloader originale con uno modificato.

Mi spiegheresti brevemente come installare Slitaz con questo bios? Dato che Slitaz non supporta UEFI non so bene come comportarmi

Grazie mille in anticipo

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#14 2017-05-22 09:17:50

lm2
Member
Registered: 2017-02-16
Posts: 155

Re: Booting in UEFI (and installing?)

hello, mich-C

first, please use english when posting on an english thread located in the english forums.

secondly, there is not yet any end-user way to install slitaz on efi systems :

you can try to do the same as the guy who did it explaining on his blog, like modifying grub uefi configuration installed by ANOTHER DISTRO, which is very weird from slitaz distr.

or you can wait, post on slit'forum or ask to pascal bellard and others devs from slitaz team to build a slitaz ISO including an EFI System Partition which slitaz doesnt have YET.

(yes, we are waiting for it, or for a way to do that without any other distr)

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#15 2017-06-11 21:55:31

Mich-C
Member
Registered: 2016-01-01
Posts: 23

Re: Booting in UEFI (and installing?)

@lm2 Sorry, I didn't reply in English because we are both Italian

Understood, i will post a new thread and I will also request uefi support smile

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