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Thread: UEFI Boot Entry Disappeared After Updates?

  1. #1

    Default UEFI Boot Entry Disappeared After Updates?

    I installed openSUSE 13.1 on my laptop a little bit ago, and the "opensuse" boot entry under my firmware settings was present. I did some updates (200 some packages), rebooted, and the boot entry was gone (thus I couldn't boot openSUSE).

    I don't recall this happening in the past with 13.1. My HDD passes S.M.A.R.T. too so I doubt it was corruption.

    I already reinstalled 13.1, but I was wondering if anyone might know why this happened?

    I have an Acer Aspire V3 551G-X419 laptop also with the latest BIOS (2.14).

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    Default Re: UEFI Boot Entry Disappeared After Updates?

    Quote Originally Posted by Espionage724 View Post
    I installed openSUSE 13.1 on my laptop a little bit ago, and the "opensuse" boot entry under my firmware settings was present. I did some updates (200 some packages), rebooted, and the boot entry was gone (thus I couldn't boot openSUSE).

    I don't recall this happening in the past with 13.1. My HDD passes S.M.A.R.T. too so I doubt it was corruption.

    I already reinstalled 13.1, but I was wondering if anyone might know why this happened?

    I have an Acer Aspire V3 551G-X419 laptop also with the latest BIOS (2.14).
    It is more likely a problem with your BIOS, rather than a problem with your disk. Some BIOS do nasty things with NVRAM entries.

    If this happens again, you should be able to boot to rescue mode (either use live media or the DVD), and recreate the needed NVRAM entry with the command "efibootmgr". The man page for "efibootmgr" is reasonably good..
    opensuse Leap 42.3; KDE Plasma 5;
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  3. #3

    Default Re: UEFI Boot Entry Disappeared After Updates?

    It seemed to of happened again on a clean install. For now, I just reinstalled in BIOS mode (I'm not entirely confident in my laptop's EFI implementation anyway).

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    Default Re: UEFI Boot Entry Disappeared After Updates?

    Quote Originally Posted by Espionage724 View Post
    rebooted, and the boot entry was gone (thus I couldn't boot openSUSE).
    ........
    I have an Acer Aspire V3 551G-X419 laptop also with the latest BIOS (2.14).
    Quote Originally Posted by Espionage724 View Post
    It seemed to of happened again on a clean install. For now, I just reinstalled in BIOS mode (I'm not entirely confident in my laptop's EFI implementation anyway).
    I'm new to UEFI and trying to learn more so I can (1) support my own PCs and (2) help some colleagues using openSUSE.

    It reads like you solved your problem with a 'BIOS mode reinstallation'. By that do you mean you changed the setting in the firmware from UEFI to BIOS (CSM ? ) . Do you have a Microsoft OS also onsame laptop, and if so does it still boot ?

    Also, you noted previous you could not 'boot openSUSE'. Did another OS (such as MS-Windows) boot ?

    The above is just for my own edification (learning). Thanks !

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    Default Re: UEFI Boot Entry Disappeared After Updates?

    I have also been trying to learn UEFI since it is the future. I have learned that the vendor specific implementation of UEFI varies greatly (as well as UEFI versions). I have three machines running in UEFI mode, and all three act differently. My Dell laptop runs perfectly with Win8/openSUSE including secure boot. It has the newest version of uefi. The dell desktop doesn't work because win8 takes over the uefi entries and erases the openSUSE entry after updates. The HP all-in-one is the worst. I have to create a separate uefi partition to get a dual boot to work. It has the oldest uefi version. Depending on your vendor, your mileage may vary.
    Klaatu Barada Nikto

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    Default Re: UEFI Boot Entry Disappeared After Updates?

    Quote Originally Posted by 67GTA View Post
    The dell desktop doesn't work because win8 takes over the uefi entries and erases the openSUSE entry after updates.
    If that's the same problem that I am seeing, then it is easy to fix (or work-around). See my blog post Notes on UEFI, Windows and linux
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    Default Re: UEFI Boot Entry Disappeared After Updates?

    I actually ran across your tutorial when I first fought with this. :-) My desktop is also Dell 660. I would have made it work, but decided not to keep win8 on it. Adding the second efi partition worked on the HP.
    Klaatu Barada Nikto

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    Default Re: UEFI Boot Entry Disappeared After Updates?

    On Mon 13 Jan 2014 10:36:01 PM CST, 67GTA wrote:


    I actually ran across your tutorial when I first fought with this. :-)
    My desktop is also Dell 660. I would have made it work, but decided not
    to keep win8 on it. Adding the second efi partition worked on the HP.


    Hi
    You should give gummiboot a go, it cleaned up the uefi in the HP
    Norebook (ProBook 4430s), the HP 2000 with Windows 8 and SLED/openSUSE
    works fine even with secure boot. My other HP ProBook 4525s also works
    fine with openSUSE, but not with SLED...oh well...

    --
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    openSUSE 13.1 (Bottle) (x86_64) GNOME 3.10.2 Kernel 3.11.6-4-desktop
    If you find this post helpful and are logged into the web interface,
    please show your appreciation and click on the star below... Thanks!


  9. #9

    Default Re: UEFI Boot Entry Disappeared After Updates?

    Quote Originally Posted by oldcpu View Post
    I'm new to UEFI and trying to learn more so I can (1) support my own PCs and (2) help some colleagues using openSUSE.

    It reads like you solved your problem with a 'BIOS mode reinstallation'. By that do you mean you changed the setting in the firmware from UEFI to BIOS (CSM ? ) . Do you have a Microsoft OS also onsame laptop, and if so does it still boot ?

    Also, you noted previous you could not 'boot openSUSE'. Did another OS (such as MS-Windows) boot ?

    The above is just for my own edification (learning). Thanks !
    My laptop has a switch in the BIOS for either using UEFI or Legacy BIOS modes. Switching the mode reboot the laptop into that respected mode (the general BIOS appearance doesn't change at all though).

    If I saw correctly, it would also seem that switching between Legacy and UEFI also change the version string of the Video BIOS in-use too (my BIOS shows a VBIOS string for both my iGPU and dGPU; it specifies a UEFI GOP BIOS on the iGPU when in UEFI for what I imagine to be Windows 8 Ultra-Fast Boot compliance).

    I only had openSUSE on the hard drive at the time; wiped Windows out completely. SecureBoot is disabled.

    When changing between the modes, the laptop can only boot the respected mode on installation media (so if I insert a Windows DVD on UEFI mode, the UEFI installer automatically begins with no option to use Legacy).

    On my desktop however (ASRock 970 Extreme3), I have the choice of using either UEFI or Legacy boot without changing the entire firmware mode. If I disable CSM, I won't be able to boot in Legacy mode though.

    As for the openSUSE-specific problem though, it seems to be some update that possibly messes with GRUB or something. I've used openSUSE for a bit back around 13.1's launch, and don't recall having any problems. On my desktop, the UEFI entry is still present even after updates too, so it's just something on my laptop that's acting strangely.

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    Default Re: UEFI Boot Entry Disappeared After Updates?

    Quote Originally Posted by Espionage724 View Post
    My laptop has a switch in the BIOS for either using UEFI or Legacy BIOS modes. Switching the mode reboot the laptop into that respected mode (the general BIOS appearance doesn't change at all though).
    I just received (last night) a new desktop PC with a Gigabyte GA-Z87X-D3H motherboard. The PC has a 2TB HD and a 256 GB SSD drive. There is no operating system (no data either) on the HD and SSD drives currently. I did boot to an openSUSE-13.1 liveDVD successfully prior to rebooting to firmware, and then I rebooted direct to firmware to obtain these images. An attempt to boot to an openSUSE-13.1 liveUSB failed, but I need to confirm the USB stick is still good (it did work a month ago on my Ultrabook).

    I have different selections than you, and this goes to illustrate the differences between manufacturers.

    Note below :


    with a zoom in here ...

    where I have 3 (and not just two) selections for UEFI or Legacy. I don't yet understand the ramifications of the combined UEFI/Legacy mode.

    .
    and note here there are boot options that can be selected for booting and also selections currently assigned P0, P1, P2 ... etc . I do not understand what P0, P1, P2 means. Could it be priority ? Or is it simply an arbitrary number assignment to a device ?


    .
    and note here when saving any changes to the Firmware, I obtain the following confirmation, which does not yet (for me) shed any light on this.


    I have more studying to do to understand this.

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