[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[dimes]

*** This bug is a duplicate of bug 1845289 ***
https://bugs.launchpad.net/bugs/1845289

Still broken here(which includes an apt-get update and apt-get dist-
upgrade today).

Versions of grub installed:

ii  grub-common2.04-1ubuntu12.1   
ii  grub-efi-amd64 2.04-1ubuntu12.1 
ii  grub-efi-amd64-bin 2.04-1ubuntu12.1   
ii  grub-efi-amd64-signed  1.128.1+2.04-1ubuntu12.1   
ii  grub2-common   2.04-1ubuntu12.1   

Secure boot on or off.

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  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[Beowulf]

*** This bug is a duplicate of bug 1845289 ***
https://bugs.launchpad.net/bugs/1845289

The issue has been resolved for me when in grub version
2.04-1ubuntu12.1.

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Title:
  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[Steve Langasek]

*** This bug is a duplicate of bug 1845289 ***
https://bugs.launchpad.net/bugs/1845289

** This bug has been marked a duplicate of bug 1845289
   Grub EFI amd64 no longer start EFI/Microsoft/Boot/bootmgfw.efi

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  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[RussianNeuroMancer]

I tested 2.04-1ubuntu12.1 with ubuntu-linuxefi.patch on Lenovo Yoga C630
WOS and I can confirm that booting Windows 10 works fine now.

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  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[Giovanni]

activated the proposed deposits and updated.
now with grub 2.04-1ubuntu12.1 all right

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  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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Re: [Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[Giovanni]

thank you

Il giorno dom 10 nov 2019 alle ore 04:45 Steve Langasek <
steve.langa...@canonical.com> ha scritto:

> ok if this is reproducible for you even using the unsigned shim from the
> ppa, then this seems to require further investigation.
>
> ** Changed in: grub2 (Ubuntu)
>Status: Invalid => New
>
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> Title:
>   Grub fails to chainload the Windows Boot Manager on aarch64 laptops
>
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  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[Daniel Ferradal]

To answer my own comment #23.

I managed to work around this like this:
* Forcing Windows 10 to use \EFI\ubuntu\shimx64.efi as in "bcdedit /set 
{bootmgr} path \EFI\ubuntu\shimx64.efi"
* Changing BIOS setup to use Secure Boot (Didn't have it, didn't want it. never 
had it).

Not both ubuntu and windows 10 boot correctly when grub menu shows up.

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  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[Daniel Ferradal]

I can confirm it happens to me to in amd64 PC.

Here is the info of the package installed right now:

Package: grub2
Version: 2.04-1ubuntu12
Priority: extra
Section: universe/admin
Origin: Ubuntu
Maintainer: Ubuntu Developers 
Original-Maintainer: GRUB Maintainers 
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 16,4 kB
Depends: grub-pc (= 2.04-1ubuntu12), grub-common (= 2.04-1ubuntu12)
Homepage: https://www.gnu.org/software/grub/
Download-Size: 2.576 B
APT-Sources: http://es.archive.ubuntu.com/ubuntu eoan/universe amd64 Packages
Description: GRand Unified Bootloader, version 2 (dummy package)
 This is a dummy transitional package to handle GRUB 2 upgrades.  It can be
 safely removed

Package: grub2-common
Version: 2.04-1ubuntu12
Priority: optional
Section: admin
Source: grub2
Origin: Ubuntu
Maintainer: Ubuntu Developers 
Original-Maintainer: GRUB Maintainers 
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 1.338 kB
Depends: grub-common (= 2.04-1ubuntu12), dpkg (>= 1.15.4) | install-info, libc6 
(>= 2.28), libdevmapper1.02.1 (>= 2:1.02.36), libefiboot1 (>= 37), libefivar1 
(>= 37), liblzma5 (>= 5.1.1alpha+20120614)
Conflicts: grub-legacy
Breaks: grub (<< 0.97-54), grub-cloud-amd64 (<< 0.0.4), grub-coreboot (<< 
2.02+dfsg1-7), grub-doc (<< 0.97-29ubuntu60), grub-efi-amd64 (<< 2.02+dfsg1-7), 
grub-efi-arm (<< 2.02+dfsg1-7), grub-efi-arm64 (<< 2.02+dfsg1-7), grub-efi-ia32 
(<< 2.02+dfsg1-7), grub-efi-ia64 (<< 2.02+dfsg1-7), grub-ieee1275 (<< 
2.02+dfsg1-7), grub-legacy-doc (<< 0.97-29ubuntu60), grub-pc (<< 2.02+dfsg1-7), 
grub-uboot (<< 2.02+dfsg1-7), grub-xen (<< 2.02+dfsg1-7), grub-yeeloong (<< 
2.02+dfsg1-7), shim (<< 13)
Replaces: grub, grub-cloud-amd64 (<< 0.0.4), grub-common (<< 1.99-1), 
grub-coreboot (<< 2.02+dfsg1-7), grub-doc (<< 0.97-29ubuntu60), grub-efi-amd64 
(<< 2.02+dfsg1-7), grub-efi-arm (<< 2.02+dfsg1-7), grub-efi-arm64 (<< 
2.02+dfsg1-7), grub-efi-ia32 (<< 2.02+dfsg1-7), grub-efi-ia64 (<< 
2.02+dfsg1-7), grub-ieee1275 (<< 2.02+dfsg1-7), grub-legacy, grub-legacy-doc 
(<< 0.97-29ubuntu60), grub-pc (<< 2.02+dfsg1-7), grub-uboot (<< 2.02+dfsg1-7), 
grub-xen (<< 2.02+dfsg1-7), grub-yeeloong (<< 2.02+dfsg1-7)
Homepage: https://www.gnu.org/software/grub/
Task: ubuntu-live, kubuntu-live, xubuntu-live, lubuntu-live, 
ubuntustudio-desktop-core, ubuntustudio-desktop, ubuntukylin-live, 
ubuntu-mate-live, ubuntu-budgie-live
Supported: 9m
Download-Size: 589 kB
APT-Manual-Installed: yes
APT-Sources: http://es.archive.ubuntu.com/ubuntu eoan/main amd64 Packages
Description: GRand Unified Bootloader (common files for version 2)
 This package contains common files shared by the distinct flavours of GRUB.
 The files in this package are specific to GRUB 2, and would break GRUB
 Legacy if installed on the same system

I can "fix it" temporarily doing grub-install /dev/sda but next windows
reboot it fails again.

I have forced windows to use "\EFI\ubuntu\grubx64.efi" so I am not sure
if grub2 is to blame, but on ubuntu 19.04 this seemed to work correctly.

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  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: grub2 (Ubuntu)
   Status: New => Confirmed

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Title:
  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[Steve Langasek]

ok if this is reproducible for you even using the unsigned shim from the
ppa, then this seems to require further investigation.

** Changed in: grub2 (Ubuntu)
   Status: Invalid => New

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  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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Re: [Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[Giovanni]

thanks for the support.
I tried to install shim unsigned but without success.
if the secure boot is active, grub works correctly.
if inactive grub does not launch windows.
tried on   my 2 acer notebooks (Aspire E 5 and the v-371)

Il giorno lun 4 nov 2019 alle ore 21:30 Steve Langasek <
steve.langa...@canonical.com> ha scritto:

> The standard UEFI boot path for Ubuntu is always to boot via shim and
> then to grub.
>
> But we also know that the signed shim binary we currently have for arm64
> is broken on this architecture.
>
> The fixed shim is in the process of being signed and in the meantime
> this is simply an unsupported configuration.
>
> If this is reproducible when chainloading from shim to grub, then it is
> a valid bug and requires further investigation.  But there are log
> messages in the bug history suggesting that the lack of shim might be
> the cause, so for the moment I am assuming that is the case and marking
> this as invalid.
>
> Given that you've mentioned having secureboot turned off anyway, you
> could try the unsigned shim binaries from https://launchpad.net/~ubuntu-
> uefi-team/+archive/ubuntu/ppa/+packages
> 
> to see if you can reproduce the
> problem when booting shim->grub.
>
> ** Changed in: grub2 (Ubuntu)
>Status: Confirmed => Invalid
>
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> Title:
>   Grub fails to chainload the Windows Boot Manager on aarch64 laptops
>
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Title:
  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[Steve Langasek]

The standard UEFI boot path for Ubuntu is always to boot via shim and
then to grub.

But we also know that the signed shim binary we currently have for arm64
is broken on this architecture.

The fixed shim is in the process of being signed and in the meantime
this is simply an unsupported configuration.

If this is reproducible when chainloading from shim to grub, then it is
a valid bug and requires further investigation.  But there are log
messages in the bug history suggesting that the lack of shim might be
the cause, so for the moment I am assuming that is the case and marking
this as invalid.

Given that you've mentioned having secureboot turned off anyway, you
could try the unsigned shim binaries from https://launchpad.net/~ubuntu-
uefi-team/+archive/ubuntu/ppa/+packages to see if you can reproduce the
problem when booting shim->grub.

** Changed in: grub2 (Ubuntu)
   Status: Confirmed => Invalid

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Title:
  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[Giovanni]

I have the same issue. Dual boot does not work anymore, Windows does not
boot.My notebooks are acer aspire e 15 and acer - 371

if active, secure boot grub works

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  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[Giovanni]

I have the same issue. Dual boot does not work anymore, Windows does not
boot.My notebooks are acer aspire e 15 and acer - 371

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  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[Ivan Larionov]

I'm testing the fix for a similar amd64 bug 1845289 but I have a feeling
it may also help on arm64. Feel free to test it https://launchpad.net
/~xeron-oskom/+archive/ubuntu/grub2.

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  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[Beowulf]

My notebook is HP ProBook 470 G4

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  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[Beowulf]

I have the same issue. Dual boot does not work anymore, Windows does not
boot.

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Title:
  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager on aarch64 laptops

[RussianNeuroMancer]

** Summary changed:

- Grub fails to chainload the Windows Boot Manager
+ Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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  Grub fails to chainload the Windows Boot Manager on aarch64 laptops

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