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nelsonwcf
Tux's lil' helper
Joined: 31 Oct 2012
Posts: 112
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 Posted: Wed Apr 27, 2016 7:32 pm Post subject: efibootmgr not persistent: |
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Hi Guys,
I noticed that the any modifications I do in the UEFI boot manager doesn't survives the reboot. Is efibootmgr modifications not persistent? |
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khayyam
Watchman
Joined: 07 Jun 2012
Posts: 6227
Location: Room 101
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| Posted: Wed Apr 27, 2016 7:43 pm Post subject: Re: efibootmgr not persistent: |
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| nelsonwcf wrote: | | I noticed that the any modifications I do in the UEFI boot manager doesn't survives the reboot. Is efibootmgr modifications not persistent? |
nelsonwcf ... it should be. It used to be the case that efibootmgr would write to NVRAM, now (>sys-boot/efibootmgr-0.5.4-r1) it writes to efivarfs. This is likely the issue ... but as I'm still using 0.5.4-r1 I can't point to why exactly (though, I can tell you you will find many people with the identical problem on a search).
best ... khay |
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The Doctor
Moderator
Joined: 27 Jul 2010
Posts: 2678
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| Posted: Thu Apr 28, 2016 1:12 am Post subject: |
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I've run across this recently. The most likely causes are
1. secure boot is still on. Even if you think you turned it off, check again. In many implementations you actually need to turn it off in multiple locations.
2. Live CD environment. For some reason, this can be problematic. I got around it by booting the system rescue CD and telling it to boot my existing Linux install.
3. UEFI issue. This user experienced the same problem and had to do a hard reset of his UEFI.
_________________
First things first, but not necessarily in that order.
Apologies if I take a while to respond. I'm currently working on the dematerialization circuit for my blue box. |
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Installing Gentoo
