bugGNU GRUB - Bugs: bug #42077, 64 bit live-USB successfully...


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bug #42077: 64 bit live-USB successfully boots, but without persistence on UEFI pc

Submitter:  Alberto Salvia Novella <es20490446e>
Submitted:  Wed 09 Apr 2014 08:18:45 AM UTC
Category:  Booting Severity:  Major
Priority:  5 - Normal Item Group:  Feature Request
Status:  Invalid Privacy:  Public
Assigned to:  None Originator Name:  Ubfan
Open/Closed:  Closed Release:  Git master
Release:  Reproducibility:  Every Time
Planned Release:  None

Sun 07 Dec 2014 05:02:29 PM UTC, comment #4: 

Adding paramaters to kernel lines is outside of upstream scope.

Vladimir Serbinenko <phcoder>
Group administrator
Thu 16 Oct 2014 02:14:19 PM UTC, comment #3: 

This has nothing to do with upstream grub and so should be closed.

Phillip Susi <psusi>
Thu 25 Sep 2014 12:07:56 PM UTC, comment #2: 

@1: You have no idea? That doesn't sound very encouraging.

Workaround is to add 'persistent' to the vmlinuz kernel lines, so this can't be a very deep issue.

Timo Palomaa <wirelesscord>
Thu 10 Apr 2014 09:23:48 PM UTC, comment #1: 

I have no idea what persistance is. Linux disables loads of functionality when booted in Microsoft-approved way (often incorrectly reffered to as "secure boot").

Vladimir Serbinenko <phcoder>
Group administrator
Wed 09 Apr 2014 08:18:45 AM UTC, original submission:  

The 64but 12.10 2G live USB was set up on a 32bit 12.04.1 non-UEFI host with 1G persistence.
The USB boots and persistence works on the non-UEFI host.
The USB boots in Secure boot mode but without persistence on a UEFI host.
The /proc/cmdline on the running live media shows the running kernel to be vmlinuz.efi.signed, which of
course does not appear in any syslinux config files.
Looks like something got left out in the secure boot procedure to have persistence.

Live media created with the following iso:
800063488 Mar 18 11:14 ubuntu-12.10-desktop-amd64.iso
7ad57cadae955bd04019389d4b9c1dcb ubuntu-12.10-desktop-amd64.iso

The UEFI host is a Toshiba Satellite S855-5378 and has Windows 8 preinstalled,
so no legacy BIOS is present.

If you need more information, you can have a look at the original report at <https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1159016>.

Alberto Salvia Novella <es20490446e>


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    Follow 4 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2014-12-07 phcoder StatusNone Invalid
        Open/ClosedOpen Closed
    2014-04-09 es20490446e Carbon-CopyRemoved 94327 -
    2014-04-09 es20490446e Carbon-Copy- Added -email is unavailable-

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