1:24 p.m.
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
Bug ID: 1220066
Summary: grub2-install suggestion doesn't distinguish between
BIOS and UEFI installs
Product: Fedora Documentation
Version: devel
Component: system-administrator's-guide
Assignee: swadeley(a)redhat.com
Reporter: bugzilla(a)colorremedies.com
QA Contact: docs-qa(a)lists.fedoraproject.org
CC: swadeley(a)redhat.com
ttps://docs.fedoraproject.org/en-US/Fedora/21/html/System_Administrators_...
Section 20.4 and 20.4.1 apply only to BIOS computers, not UEFI. On UEFI:
1. grub2-install fails
https://bugzilla.redhat.com/show_bug.cgi?id=1101352
2. If grub2-efi-modules is installed, grub2-install succeeds but then:
2a. This will break UEFI Secure Boot systems because the core.img/grubx64.efi
binary that gets created isn't signed and therefore UEFI Secure Boot will
reject it.
2b. On UEFI systems without Secure Boot, GRUB behavior is different in a number
of ways including that it will no longer look to /boot/efi/EFI/fedora/grub.cfg
but rather to /boot/grub2/grub.cfg.
Two ways to fix the documentation:
a.) A side bar that says this section doesn't apply to systems with UEFI
firmware (maybe a link to where we give them a hint "how to find out what kind
of firmware you have"), and/or that this section is effectively done by 20.4.2
step 3.
b.) Reorganize 20.4 into discreet BIOS and UEFI sections.
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2:20 a.m.
New subject: [Bug 1220066] grub2-install suggestion doesn't distinguish between BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
Stephen Wadeley <swadeley(a)redhat.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|unspecified |medium
Status|NEW |ASSIGNED
--- Comment #1 from Stephen Wadeley <swadeley(a)redhat.com> ---
Hello Chris
Thank you for raising this bug:
Link to doc:
http://docs.fedoraproject.org/en-US/Fedora/21/html/System_Administrators_...
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8:48 a.m.
New subject: [Bug 1220066] grub2-install suggestion doesn't distinguish between BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
Stephen Wadeley <swadeley(a)redhat.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |MODIFIED
--- Comment #2 from Stephen Wadeley <swadeley(a)redhat.com> ---
Hello
Proposed change:
20.4. Reinstalling GRUB 2
Reinstalling GRUB 2 is a convenient way to fix certain problems usually caused
by an incorrect installation of GRUB 2, missing files, or a broken system.
Other reasons to reinstall GRUB 2 include the following:
Upgrading from the previous version of GRUB.
The user requires the GRUB 2 boot loader to control installed operating
systems. However, some operating systems are installed with their own boot
loaders. Reinstalling GRUB 2 returns control to the desired operating system.
Adding the boot information to another drive.
20.4.1. Reinstalling GRUB 2 on BIOS-Based Machines
When using the yum grub2-install command, the boot information is updated and
missing files are restored. Note that the files are restored only if they are
not corrupted.
Use the yum grub2-install <device> command to reinstall GRUB 2 if the system is
operating normally. For example:
~]# yum grub2-install /dev/sda
20.4.2. Reinstalling GRUB 2 on UEFI-Based Machines
When using the yum reinstall grub2-efi command, the boot information is updated
and missing files are restored. Note that the files are restored only if they
are not corrupted.
Use the yum reinstall grub2-efi <device> command to reinstall GRUB 2 if the
system is operating normally. For example:
~]# yum reinstall grub2-efi /dev/sda
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10:51 a.m.
New subject: [Bug 1220066] grub2-install suggestion doesn't distinguish between BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
--- Comment #3 from Chris Murphy <bugzilla(a)colorremedies.com> ---
Delete the yum reference in section 20.4.1. The correct command is:
# grub2-install /dev/sdX ## (where X is the applicable drive letter)
Add shim to, and remove /dev/sda from, the reinstall commend in section 20.4.2.
The correct command is:
# yum reinstall grub2-efi shim ## Fedora 21 and older
# dnf reinstall grub2-efi shim ## Fedora 22 and newer
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2:16 p.m.
New subject: [Bug 1220066] grub2-install suggestion doesn't distinguish between BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
--- Comment #4 from Stephen Wadeley <swadeley(a)redhat.com> ---
Hello
Thank you for comment 3
I will use:
20.4.1. Reinstalling GRUB 2 on BIOS-Based Machines
When using the grub2-install command, the boot information is updated and
missing files are restored. Note that the files are restored only if they are
not corrupted.
Use the grub2-install device command to reinstall GRUB 2 if the system is
operating normally. For example, if sda is your device:
~]# grub2-install /dev/sda
20.4.2. Reinstalling GRUB 2 on UEFI-Based Machines
When using the yum reinstall grub2-efi command, the boot information is updated
and missing files are restored. Note that the files are restored only if they
are not corrupted.
Use the yum reinstall grub2-efi shim command to reinstall GRUB 2 if the system
is operating normally. For example:
~]# yum reinstall grub2-efi shim
-----------------
I will do the yum to dnf changes as a separate commit
Thank you
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2:28 p.m.
New subject: [Bug 1220066] grub2-install suggestion doesn't distinguish between BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
Stephen Wadeley <swadeley(a)redhat.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |pjones(a)redhat.com
--- Comment #5 from Stephen Wadeley <swadeley(a)redhat.com> ---
errr, I missed one "shim" in "When using the yum reinstall grub2-efi
command"
20.4.1. Reinstalling GRUB 2 on BIOS-Based Machines
When using the grub2-install command, the boot information is updated and
missing files are restored. Note that the files are restored only if they are
not corrupted.
Use the grub2-install device command to reinstall GRUB 2 if the system is
operating normally. For example, if sda is your device:
~]# grub2-install /dev/sda
20.4.2. Reinstalling GRUB 2 on UEFI-Based Machines
When using the yum reinstall grub2-efi shim command, the boot information is
updated and missing files are restored. Note that the files are restored only
if they are not corrupted.
Use the yum reinstall grub2-efi shim command to reinstall GRUB 2 if the system
is operating normally. For example:
~]# yum reinstall grub2-efi shim
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2:43 p.m.
New subject: [Bug 1220066] grub2-install suggestion doesn't distinguish between BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
Stephen Wadeley <swadeley(a)redhat.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|MODIFIED |ON_QA
--- Comment #6 from Stephen Wadeley <swadeley(a)redhat.com> ---
commit da159560f733d2bd44479dd3452a52d67579630e
Author: Stephen Wadeley <swadeley(a)redhat.com>
Date: Thu May 14 21:30:06 2015 +0200
grub2 install distinguish BIOS and UEFI
Bug 1220066 - grub2-install suggestion doesn't distinguish between BIOS
and UEFI installs
Thank you Chris Murphy for raising this bug.
Thank you Peter Jones for advice.
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2:54 p.m.
New subject: [Bug 1220066] grub2-install suggestion doesn't distinguish between BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
Chris Murphy <bugzilla(a)colorremedies.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ON_QA |MODIFIED
--- Comment #7 from Chris Murphy <bugzilla(a)colorremedies.com> ---
Should this section point to a section or a concise tip/sidebar on how to
identify firmware type? Opened new bug 1221780 to track that question
separately.
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2:55 p.m.
New subject: [Bug 1220066] grub2-install suggestion doesn't distinguish between BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
Chris Murphy <bugzilla(a)colorremedies.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|MODIFIED |ON_QA
--- Comment #8 from Chris Murphy <bugzilla(a)colorremedies.com> ---
Oops.
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9:30 a.m.
New subject: [Bug 1220066] grub2-install suggestion doesn't distinguish between BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
Stephen Wadeley <swadeley(a)redhat.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ON_QA |CLOSED
Resolution|--- |CURRENTRELEASE
Last Closed| |2015-05-28 10:30:51
--- Comment #9 from Stephen Wadeley <swadeley(a)redhat.com> ---
Hello
This is now live in Fedora 22 version.
See:
http://docs.fedoraproject.org/en-US/Fedora/22/html/System_Administrators_...
Please feel free to reopen this bug if more work is need on the section.
The commit is in the 21 branch as well in case we need to republish that guide.
Thank you
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5:32 p.m.
New subject: [Bug 1220066] grub2-install suggestion doesn't distinguish between
BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
Noel McLoughlin <noel.mcloughlin(a)gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|CLOSED |NEW
CC| |noel.mcloughlin(a)gmail.com
Resolution|CURRENTRELEASE |---
Flags| |needinfo?(swadeley(a)redhat.c
| |om)
Keywords| |Reopened
--- Comment #10 from Noel McLoughlin <noel.mcloughlin(a)gmail.com> ---
Hi Stephen,
Very good documentation! Could you add grub2-tools to step 3 to compensate for
step1 deletion of "/etc/grub.d/*" contents?
3. For EFI systems only, run the following command:
~]# yum reinstall grub2-efi shim grub2-tools
thank you.
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5:34 p.m.
New subject: [Bug 1220066] grub2-install suggestion doesn't distinguish between
BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
--- Comment #11 from Noel McLoughlin <noel.mcloughlin(a)gmail.com> ---
I encountered the issue on Centos7 but grub2-tools delivers /etc/grub.d/* files
on Fedora rawhide also so assume fix works there also.
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12:12 p.m.
New subject: [Bug 1220066] grub2-install suggestion doesn't distinguish between
BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
--- Comment #12 from Noel McLoughlin <noel.mcloughlin(a)gmail.com> ---
Forgot to mention its Section 20.4.3
https://docs.fedoraproject.org/en-US/Fedora/22/html/System_Administrators...
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12:34 p.m.
New subject: [Bug 1220066] grub2-install suggestion doesn't distinguish between
BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
--- Comment #13 from Chris Murphy <bugzilla(a)colorremedies.com> ---
Hmm 20.4.3 contains stale information.
https://bugzilla.redhat.com/show_bug.cgi?id=1313022
I think the section 20.4.3 concerns are better off in that bug since this one
was closed.
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1:43 p.m.
New subject: [Bug 1220066] grub2-install suggestion doesn't distinguish between
BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
Noel McLoughlin <noel.mcloughlin(a)gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |CLOSED
Resolution|--- |CURRENTRELEASE
Last Closed|2015-05-28 10:30:51 |2016-02-29 14:43:12
--- Comment #14 from Noel McLoughlin <noel.mcloughlin(a)gmail.com> ---
Thanks Chris. Reverting to closed->currentrelease
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7:21 p.m.
New subject: [Bug 1220066] grub2-install suggestion doesn'
t distinguish between BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
Shawn Starr <shawn.starr(a)rogers.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|CLOSED |NEW
CC| |shawn.starr(a)rogers.com
Resolution|CURRENTRELEASE |---
--- Comment #15 from Shawn Starr <shawn.starr(a)rogers.com> ---
I do not think just adding documentation is a good fix. Users running
grub2-install should be told that using GRUB2's EFI boot loader is not
supported on Fedora and gracefully exit (or provide an override).
Documentation is fine but users are not going to be looking at documentation
when they run the command.
Reopening, a proper solution is have a script in grub.d that can notify the
user they can't run grub2-install because this will break their booting.
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7:39 p.m.
New subject: [Bug 1220066] grub2-install suggestion doesn'
t distinguish between BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
Chris Murphy <bugzilla(a)colorremedies.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |CLOSED
See Also| |https://bugzilla.redhat.com
| |/show_bug.cgi?id=1344528
Resolution|--- |NOTABUG
Last Closed|2016-02-29 14:43:12 |2016-06-09 20:39:45
--- Comment #16 from Chris Murphy <bugzilla(a)colorremedies.com> ---
Opened a new bug. Closing this one again.
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7:40 p.m.
New subject: [Bug 1220066] grub2-install suggestion doesn'
t distinguish between BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
Chris Murphy <bugzilla(a)colorremedies.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|NOTABUG |CURRENTRELEASE
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1:54 a.m.
New subject: [Bug 1220066] grub2-install suggestion doesn'
t distinguish between BIOS and UEFI installs
https://bugzilla.redhat.com/show_bug.cgi?id=1220066
--- Comment #17 from Stephen Wadeley <swadeley(a)redhat.com> ---
(In reply to Chris Murphy from comment #16)
Opened a new bug. Closing this one again.
Thank you
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