Bonsoir Félix, Je vous remercie pour votre réponse. Je suis à l'extérieur, je l'étudierai avec soin et vous répondrai de la façon la plus précise possible a mon retour.
A bientôt et bien cordialement. René Le jeu. 25 sept. 2025, 16:16, Felix Miata <mrma...@earthlink.net> a écrit : > René composed on 2025-09-25 14:35 (UTC+0200): > > > Prior to full reinstallation of both Fedora and Opensuse triple boot > > worked perfectly with Fedora, Opensuse and Windows 11. After these > > reinstalls I can't operate triple boot. > > Keyword: "full reinstallation". > > 1-Some of your efibootmgr entries probably became obsolete upon > reinstallation, > and should be excised from NVRAM, and if they still exist on ESP, from > there too. > > 2-Both openSUSE and Fedora stopped using standard grub2-efi by default a > while > back (Debian more recently). Do you still have grub2-efi installed and in > use on > both? On one or the other only? On neither? Other options include > systemd-boot and > grub2-bls. > > 3-Are kernels and initrds installed in /boot/ directly in both, or do one > or the > other or both put them on the ESP? > > 4-Grub upstream switched to configuring GRUB_DISABLE_OS_PROBER="true" as > default > in /etc/default/grub, and this upstream config retained by both Fedora and > openSUSE, so if you are using Grub but don't change this to false, > os-prober won't > be employed in generating grub.cfg. > > All my PCs are multiboot. All include openSUSE. Most include Fedora. All > using EFI > are booting only from openSUSE Tumbleweed's grub2-efi via > /boot/grub2/custom.cfg > created and maintained exclusively by me using my plain text editor, which > is > called by /etc/grub.d/07_custom, which places all custom stanzas at the > head of > the boot menu, and is a copy of /etc/grub.d/41_custom, described in more > detail on > < > https://forums.opensuse.org/t/how-to-have-a-custom-uefi-grub-menu-for-a-multiboot-system/133541 > >. > -- > Evolution as taught in public schools is, like religion, > based on faith, not based on science. > > Team OS/2 ** Reg. Linux User #211409 ** a11y rocks! > > Felix Miata > >
