[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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[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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  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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[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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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:
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>
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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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[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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[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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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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  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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  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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[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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[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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[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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  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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[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager

[John Finestone]

I have the same problem. To clarify, I can't boot into Windows from
Grub, but can boot into Ubuntu. When I get into Ubuntu, I run the Boot
Repair application, and after I shut down or restart, I can get into
Windows. But once, I shut down Windows or restart, Grub won't allow me
to reboot into Windows, so I have to reload Ubuntu and start the process
over.

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  Grub fails to chainload the Windows Boot Manager

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

[RussianNeuroMancer]

> I'm also facing the same problem and I found a solution which worked
for me on amd64.

Doesn't work for me on aarch64: Bug 1849863

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

[Rene Meier]

I'm also facing the same problem and I found a solution which worked for
me on amd64. My system is using UEFI without secure boot from a gpt
partitioned drive.

Please try to install the package shim-signed.

This fixed the problem for me. Chainloading Windows even works after
uninstalling the package again. So I expect it is something related to
the installation process of the package. Maybe it leaves some important
files in /boot after uninstalling.

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

[Omkar Chorghe]

I am facing the same bug, can't boot into windows.
After updating to Ubuntu 19.10.

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

[Ivan Larionov]

I have the same issue.

I can boot Windows 10 from BIOS/EFI boot menu, but can't boot it from
grub. Setting debug=chain shows that grub tries to use SecureBoot, but
it's disabled.

Wiping my grub installation, downgrading to 2.02 from disco and
reinstalling it fixed the issue.

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

[Ivan Larionov]

** Tags added: eoan

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

[Dmitry-a-durnev]

Tried with

set debug=chain

got the following messages (grub 2.04-1ubuntu5, AMD64 arch, ubuntu
19.10):

loader/efi/chainloader.c:1057: linuxefi_secure_validate: 1
loader/efi/chainloader.c:262: No shimlock protocol 
loader/efi/chainloader.c:537: Secure boot is not enabled
alloc magic is broken at 0x7bf9b340: 0
Aborted. Press any key to exit.

Press any key - returns to grub menu. But once I pressed  and it
successfully booted win 10! At other times there was no 'alloc magic'
error and no pause to press any key: just returned to boot menu
instantly.

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

[RussianNeuroMancer]

> Worked with 2.0.2?

Worked with 2.0.2 from ppa:aarch64-laptops/grub

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

[Dmitry-a-durnev]

For me is reproducible on AMD64: windows 10 EFI boot entry not boots any
more. Worked with 2.0.2?

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Title:
  Grub fails to chainload the Windows Boot Manager

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

[AArch64]

With `set debug="chain,secureboot,dl"` added to the Grub menu entry, we
get a flash of:

  SecureBoot: 0
  SetupMode: 0
  linuxefi_secure_validate: 1
  No shimlock protocol loader/efi/chainloader: Secure boot is not enabled

Looks like Grub is insisting on Secure Boot, which we need to disable in
order to boot Linux.

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Title:
  Grub fails to chainload the Windows Boot Manager

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

[Francis Ginther]

** Tags added: id-5d54272634ee9a39ad7f9cb3

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Title:
  Grub fails to chainload the Windows Boot Manager

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

[RussianNeuroMancer]

I also found this bug is reproducible on my Lenovo Yoga C630 WOS with
grub2 from Eoan repository.

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Title:
  Grub fails to chainload the Windows Boot Manager

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

[Richard Henwood]

I have also experienced this issue on AArch64 Lenovo C630 - using Eoan
Grub.

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Title:
  Grub fails to chainload the Windows Boot Manager

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

[AArch64]

I should add that I experienced this on an AArch64 platform.

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Title:
  Grub fails to chainload the Windows Boot Manager

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

[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

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

[Steve Langasek]

** Package changed: grub (Ubuntu) => grub2 (Ubuntu)

** Changed in: grub2 (Ubuntu)
   Importance: Undecided => Critical

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  Grub fails to chainload the Windows Boot Manager

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