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 Forum index » Advanced Topics » Hardware
Booting UEFI/EFI Computers - What Works, What Doesn't
Moderators: Flash, Ian, JohnMurga
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mistfire

Joined: 04 Nov 2008
Posts: 624
Location: PH

PostPosted: Sun 12 Feb 2017, 02:53    Post subject:  

X-Slacko Slim works fine on UEFI, even on Secure Boot mode. Vesa may not work on UEFI, use fbdev instead
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Illutorium

Joined: 06 Aug 2014
Posts: 149

PostPosted: Fri 17 Feb 2017, 23:54    Post subject:  

My build of Lightweight Trusty are be works at UEFI too... (but it's a oldest anyway) -> murga-linux.com/puppy/viewtopic.php?t=108681 [Non-Rationalise for Now at Stable only']
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Limbomusic


Joined: 15 Apr 2016
Posts: 188
Location: Norway

PostPosted: Sat 29 Apr 2017, 10:25    Post subject: Lenovo ideapad 100 with puppy tahr 6.0.5
Subject description: uefi / installing to hd.
 

Well, u asked what works and what doesnt, so here's my contribution Smile
PC: Lenovo Ideapad 100. SSD drive, 4gb ram. (bought new a year ago)
UEFI.
Have a remastered version of tahr 6.0.5 with the 4.1.11 (or something) kernel.
(had to use the newer kernel or else wifi card was not found)

Boots from usb as long as secure boot is turned off.
As mentioned earlier in the thread, its easy to make a bootable usb on uefi machine.
Explained at http://blog.puppylinux.com/?viewDetailed=00009
and also on my own posting at http://murga-linux.com/puppy/viewtopic.php?t=109702

I coulnd't install to disk tho, using the SETUP->PUPPY INSTALLER because Grub4dos wouldn't install - just got the error message:
"somewhat error occured" - I assume bacause of some windows 10 thing.
What DID work - was to install LICK - in win10 - dragged the .iso over and machine now works fine with dual-boot puppytahr/windows.

Whats NOT so good is my wifi connection just stops working. (have to setup wifi network again to get it going again)
Have researched this and there is apparently problems with the driver-modules for the Realtek8723be wifi card.
I have tried the rtlwifi-new-something.pet (which I mirrored on
http://helledussen.com/linux/tahr/) but it doesnt seem to work - same problem with connection.
I would really appreciate help from any puppy users with dealings with the rtl8723be wifi card.
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easyaspi314

Joined: 14 Apr 2017
Posts: 7
Location: Massachusetts

PostPosted: Sun 07 May 2017, 19:30    Post subject:  

MacBook5,2 (MacBook non-Pro, non Air (13", Mid-2009)

Built-in EFI (not rEFInd, rEFIt, etc), on its latest El Capitan version (this Puppy didn't get Sierra).
I can put the version up if you wish.

Tried slacko 6.3.2, slacko64 6.3.2, and the test tahr64 6.0.6 UEFI build.

Old:
Quote:
TL;DR: Works, but incredibly unreliably. Needs a workaround, and hangs for long periods most of the time before booting.


Real:
TL;DR: Works, needs workaround. Also hangs while booting if the built-in SuperDrive is broken.

OS X will only recognize a USB if the efi files are in a directory on the root of the partition. efi.img won't work, unless Puppy is directly burned to a CD.

This is what mostly works on a fat32 partition on GPT and MBR. I haven't tested hybrid MBR or the steps in this guide (but I want to boot Windows off it as well).

So, for a frugal install, instead of

---- /efi.img

it must be

---- /efi/
--------- /boot/
-------------- /bootx64.efi

After doing this, holding Option at boot will show "EFI Boot" as a boot option.

My MacBook seems to be very finicky. It prefers to boot from 64-bit (which is what I have heard a lot). When it isn't working, most issues arise from inability to find VESA BIOS extensions, mainly with "Mac Linux USB Installer".

Quote:
I looked into the problem I had in the quote below and it seems to only happen because my SuperDrive is busted.

So ignore this quote, this has to be just me.

Quote:
However, the main issue is that for some reason, about 75% of the time, it doesn't matter if it is on a live CD/DVD or a USB drive, you start the boot from GRUB, and it will hang on a black screen for 10 minutes plus before booting. The flash drive or DVD drive will go silent after a moment when it does that.

Out of that 75%, about 10% will just do nothing.

It seems to be related to unplugging the flash drive and plugging it back in, but I can't reliably get it to work.

I have tried pmediatype=whatever, pfix=ram, nomodeset, noefi, acpi=force, acpi=off, and noexec=off, but none of them do the trick.


It is still an issue, but I have even had this in Ubuntu 16.04.

The dmesg shows multiple attempts of accessing ata2, the device where the SuperDrive is internally connected, but reporting
"ata2: COMRESET failed (errno=32)"
repeatedly until it gives up. Then it boots.

I might have a faulty connection internally. I did get the thing used, and out of the box, it had an upgraded hard drive to 1TB, but the case was obviously pried off unprofessionally, as the edges are chipped off and some screws were missing.

I could try taking it apart later this month once finals are over and I don't have to rely on my MacBook for college work.

I don't know if this is directly related to EFI, but on Slacko (and Slacko64) 6.3.2, battery stats are only reported in /sys/class/power_supply/BAT0, not /proc/acpi/battery/BAT0. I have tried everything, trust me.

In tahr64, oddly, the battery stats work perfectly.

As a result of this, there is no battery icon in Slacko.

I modded powerapplet_tray 2.6 (can't find 2.7.x sources) to make it work with power_supply here. Sorry, no PETs, just source code.

It also has a lot of other issues, mostly with drivers. But these were simple to fix once you found the solution.

(in case you are wondering, WiFi, brightness control, trackpad, and standby mode were the main ones).

Another thing:

Removed the boot hang which was a problem with my already broken hardware.

Slacko64-6.9.6.4-uefi.iso boots with no battery stats, but WiFi works…Very Happy
Ubuntu 16.04 doesn't have battery stats either.
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Limbomusic


Joined: 15 Apr 2016
Posts: 188
Location: Norway

PostPosted: Mon 29 May 2017, 16:26    Post subject: good
Subject description: song
 

diggin this right now
http://helledussen.com/mp3/2017/Sheryl%20Crow/Sheryl%20Crow%20-%20Live%20it%20up.mp3
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Mike Walsh


Joined: 28 Jun 2014
Posts: 3054
Location: King's Lynn, UK.

PostPosted: Mon 29 May 2017, 18:39    Post subject:  

Hey, Limbomusic.

TBH, if you're having problems with the built-in wifi card, it might be just as easy to use a wifi 'dongle' instead.....especially if you choose one with a universally supported chipset.

Two I can recommend are these:-

http://uk.tp-link.com/products/details/TL-WN725N.html

Uses the Realtek 'r8188eu' chipset driver; where not supported natively, rcrsn51 has compiled a load of drivers for various Pups/kernels...

http://www.murga-linux.com/puppy/viewtopic.php?t=107047

This thing works brilliantly, and has a very good range.....and, as a 'nano' design, is so small it can be left in all the time. And being TP-Link, the build quality is exquisite.

-----------------------------------------------------------------------------------

The other one is this:-

http://www.netgear.co.uk/home/products/networking/wifi-adapters/WNA3100M.aspx

The NetGear WNA3100M. A 'mini' design, this, as opposed to a 'nano'. I've used this extensively, and have yet to find a Pup that doesn't natively support the Realtek RTL8192CU chipset; it's been supported since k3.3, in early 2012.

Where it's not supported, again, rcrsn51 has compiled a bunch of drivers for it, here:-

http://www.murga-linux.com/puppy/viewtopic.php?t=100675

Just my two-penn'orth.


Mike. Wink

_________________
If I've helped you.....please say 'Thanks'!
MY PUPPY PACKAGES
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perdido


Joined: 09 Dec 2013
Posts: 646
Location: Altair IV , Just north of Eeyore Junction.

PostPosted: Mon 29 May 2017, 23:43    Post subject: Re: Lenovo ideapad 100 with puppy tahr 6.0.5
Subject description: uefi / installing to hd.
 

Limbomusic wrote:
Well, u asked what works and what doesnt, so here's my contribution Smile

Whats NOT so good is my wifi connection just stops working. (have to setup wifi network again to get it going again)
Have researched this and there is apparently problems with the driver-modules for the Realtek8723be wifi card.
I have tried the rtlwifi-new-something.pet (which I mirrored on
http://helledussen.com/linux/tahr/) but it doesnt seem to work - same problem with connection.
I would really appreciate help from any puppy users with dealings with the rtl8723be wifi card.


There is a possible fix for ubuntu trusty tahr that may address your issue.
This is if your 8723be connects but the connection slows down after being connected.
http://www.dedoimedo.com/computers/ubuntu-trusty-realtek.html
Make a backup of the rtl8723be.conf file if you try this.

That info came from here http://skamilinux.hu/phpBB3/viewtopic.php?t=220
I have not tried this, just throwing stuff to see if it sticks Smile

.
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Limbomusic


Joined: 15 Apr 2016
Posts: 188
Location: Norway

PostPosted: Thu 01 Jun 2017, 18:09    Post subject: thanx
Subject description: :-)
 

Thank you Mike and perdido Smile
But the 4.9.15 kernel fixed this issue - as I posted here:
http://murga-linux.com/puppy/viewtopic.php?t=110535

Smile
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BarryK
Puppy Master


Joined: 09 May 2005
Posts: 8283
Location: Perth, Western Australia

PostPosted: Fri 28 Jul 2017, 07:30    Post subject:  

Years ago, when UEFI first came in, that would be 2012, I read somewhere that a USB Flash stick should have a GPT (Guid Partition Table) to be able to boot, and not a MBR (the old technique for drive partition table).

The UEFI specification states that the drive can have GPT or MBR, and all that is necessary is it have what is known as an ESP fat partition.

However, early UEFI firmware was buggy on some PCs, and would only boot off a stick with GPT.

So, all my releases of Quirky Linux, image files for Flash sticks, created a GPT drive.

However, I have grown to dislike GPT very much, and recently wondered if it is ok to go back to MBR. Here is a link to Quirky Xerus64 8.2.2, usb 8GB image:
http://barryk.org/news/?viewDetailed=00628

What I would like to know, is does it bootup on your UEFI PC? (which is all of them manufactured from 2012).
Of course, the UEFI-setup has to select the USB stick, and do NOT enable "legacy mode" if that is an option in the setup -- it isn't needed.

In case you are a newbie, here is how to write the image to a drive:
http://distro.ibiblio.org/quirky/quirky6/amd64/releases/xerus-8.2/howto-install.htm

Oh, just remembered, uploaded the image "xz" compressed. If you are running Windows, there are Windows tools for writing an image to flash stick, but they only understand a "gz" compressed image -- so, I will upload it now.

_________________
http://barryk.org/news/
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