Acer V3-112P-P5B3 uefi seems bricked ( - need your efi files?)

Hello,
I have a Acer V3-112P-P5B3 and when I change something in uefi bios I can't save it. It seems bricked. Or am I missing something, is there some place where I need to enter the admin password a second time? Changes to admin password are not saved either. No matter what I change it is not saved.
I can't boot from usb anymore. This problem came up after installing open suse tumbleweed. Previously I installed ubuntu, debian, manjaro. The progrmm efibootmgr still shows entries for ubuntu.

1.) Is it possible to wipe all uefi settings?
2.) Can anyone send me her/his *.EFI files usally found in /boot/efi/EFI/ so maybe I can boot from usb using them and make a bios update?
3.) Any other ideas? When I try to erase a boot entry with efibootmgr I get "system call interrupted". I have noticed a file /sys/firmware/efi/vars/del_var . How can you make use of that to erase an entry? I suppose the memory of efi is too full???

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tomatoocean

I think I am probably affected by this bug:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1734147

tomatoocean

I have updated tumbleweed to kernel 4.15.0-1-default, but the problem persists. Can anyone help me please or at least give me information if my uefi is unrepairably bricked? Acer, please answer.

tomatoocean

BIOS Information
        Vendor: Insyde Corp.
        Version: V1.08
        Release Date: 08/20/2014
        Address: 0xF0000
        Runtime Size: 64 kB
        ROM Size: 4096 kB

RubenG

Hi. I have the same problem. It happened after installing ubuntu 17.10. Have you solved your problem?

tomatoocean

Yes, I really solved this problem last week by using a bugfix provided by ubuntu. I can now save uefi/bios settings again. Haven't tried usb boot yet.
There is a ubuntu bug for the problem here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1734147
I think the acer 112p is not mentioned there, but I think it is the same problem, because the acer 112p has a Insyde Bios too and the bugfix worked for me.
There are two kernels linked in this bug that you can try to install to solve the problem. For me only the second link did work:
http://people.canonical.com/~ypwong/lp1734147/linux-image-4.15.0-041500rc6-generic_4.15.0-041500rc6.201712312330+clear+debug_amd64.deb
Install this package and boot to grub (press shift on boot if you don't see a boot menu). Then select the repair kernel. This should fix the issue as described in the bug report.

On suse tumbleweed I had to unpack the ubuntu package and install the kernel manually, but this did work. Feel free to ask if you have further questions.

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