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* [pve-devel] [PATCH installer] install: install correct grub metapackage for the current boot-mode
@ 2023-09-28 14:05 Stoiko Ivanov
  2023-09-28 14:29 ` Stoiko Ivanov
                   ` (3 more replies)
  0 siblings, 4 replies; 6+ messages in thread
From: Stoiko Ivanov @ 2023-09-28 14:05 UTC (permalink / raw)
  To: pve-devel

grub packages in debian split between:
* meta-packages, which handles (among other things) the reinstalling
  grub to the actual device/ESP in case of a version upgrade (grub-pc,
  grub-efi-amd64)
* bin-packages, which contain the actual boot-loaders
The bin-packages can coexist on a system, but the meta-package
conflict with each other (didn't check why, but I don't see a hard
conflict on a quick glance)

Currently our ISO installs grub-pc unconditionally (and both bin
packages, since we install the legacy bootloader also on uefi-booted
systems). This results in uefi-systems not getting a new grub
installed automatically upon upgrade.

Reported in our community-forum from users who upgraded to PVE 8.0,
and still run into an issue fixed in grub for bookworm:
https://forum.proxmox.com/threads/.123512/

Reproduced and analyzed by Friedrich.

This patch changes the installer, to install the meta-package fitting
for the boot-mode.

We do not set the debconf variable install_devices, because in my
tests a plain debian installed in uefi mode has this set, and a
`grep -ri install_devices /var/lib/dpkg/info` yields only results with
grub-pc.

Reported-by: Friedrich Weber <f.weber@proxmox.com>
Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
---
quickly tested by building an ISO (with the necessary modifications to
ship both packages as .deb) and installing in legacy mode and uefi mode
once.
 Proxmox/Install.pm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Proxmox/Install.pm b/Proxmox/Install.pm
index 1117fc4..d775ac0 100644
--- a/Proxmox/Install.pm
+++ b/Proxmox/Install.pm
@@ -1057,6 +1057,12 @@ _EOD
 	    chomp;
 	    my $path = $_;
 	    my ($deb) = $path =~ m/${proxmox_pkgdir}\/(.*\.deb)/;
+
+	    # the grub-pc/grub-efi-amd64 packages (w/o -bin) are the ones actually updating grub
+	    # upon upgrade - and conflict with each other - install the fitting one only
+	    next if ($deb =~ /grub-pc_/ && $run_env->{boot_type} ne 'bios');
+	    next if ($deb =~ /grub-efi-amd64_/ && $run_env->{boot_type} ne 'efi');
+
 	    update_progress($count/$pkg_count, 0.5, 0.75, "extracting $deb");
 	    print STDERR "extracting: $deb\n";
 	    syscmd("chroot $targetdir dpkg $dpkg_opts --force-depends --no-triggers --unpack /tmp/pkg/$deb") == 0
-- 
2.39.2





^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2023-11-06 17:32 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-09-28 14:05 [pve-devel] [PATCH installer] install: install correct grub metapackage for the current boot-mode Stoiko Ivanov
2023-09-28 14:29 ` Stoiko Ivanov
2023-09-28 14:32   ` Thomas Lamprecht
2023-10-02 15:15 ` Friedrich Weber
2023-10-23  9:47 ` Fabian Grünbichler
2023-11-06 17:32 ` [pve-devel] applied: " Thomas Lamprecht

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