Actually, it turns out that even installing this isn't practical on anything else than media with a GTP partition. It won't fit into the start of a DOS partition, whereas GTP always leaves plenty of empty space at the start.
If there's any way to enable this for one specific menu entry, you're welcome to propose a fix to my recipe. Martin-Éric ke 14. elok. 2024 klo 10.17 Mate Kukri ([email protected]) kirjoitti: > > Finding external USB disks does not in fact require "nativedisk". > > GRUB can boot off USB disks if the firmware supports booting off USB > disks, which I suspect isn't the case on your machine. > > GRUB's nativedisk driver is designed for use cases such as "GRUB as a > coreboot payload" where firmware disk drivers are simply not > available. > > It shouldn't be used with traditional firmware as it was never widely > deployed in such a manner and may have compatibility issues, and such > definitely not be the default in Debian. > > You are always able to enable them as a workaround on your incompatible > machine. > > On Tue, Aug 13, 2024 at 9:06 PM Martin-Éric Racine > <[email protected]> wrote: > > > > Package: grub-pc > > Version: 2.06-13+deb12u1 > > Severity: normal > > > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA256 > > > > I've been trying to implement a chainloader (see below at > > /etc/grub.d/40_custom) to boot off external USB disks as needed. Finding > > external disks requires using GRUB's 'nativedisk', but once that has been > > executed, the rest of the script cannot be completed because Debian's > > grub-install enforces BIOS device names (hd0,msdos1) instead of bus names > > (ata0,msdos1). Further investigating this suggests that if Debian used > > 'grub-install --disk-module=native /dev/sdX' to install GRUB, this would > > work as expected. > > > > Alternately, if there's any /etc/default/grub variable I can set to > > accomplish this, it would suit me just as well. > > > > Thanks! > > Martin-Éric > > > > - -- Package-specific info: > > > > *********************** BEGIN /proc/mounts > > /dev/sda1 / ext4 rw,relatime,errors=remount-ro 0 0 > > *********************** END /proc/mounts > > > > *********************** BEGIN /boot/grub/device.map > > (hd0) /dev/disk/by-id/ata-ST320011A_3HT48T7R > > *********************** END /boot/grub/device.map > > > > *********************** BEGIN /boot/grub/grub.cfg > > # > > # DO NOT EDIT THIS FILE > > # > > # It is automatically generated by grub-mkconfig using templates > > # from /etc/grub.d and settings from /etc/default/grub > > # > > > > ### BEGIN /etc/grub.d/00_header ### > > if [ -s $prefix/grubenv ]; then > > set have_grubenv=true > > load_env > > fi > > if [ "${next_entry}" ] ; then > > set default="${next_entry}" > > set next_entry= > > save_env next_entry > > set boot_once=true > > else > > set default="0" > > fi > > > > if [ x"${feature_menuentry_id}" = xy ]; then > > menuentry_id_option="--id" > > else > > menuentry_id_option="" > > fi > > > > export menuentry_id_option > > > > if [ "${prev_saved_entry}" ]; then > > set saved_entry="${prev_saved_entry}" > > save_env saved_entry > > set prev_saved_entry= > > save_env prev_saved_entry > > set boot_once=true > > fi > > > > function savedefault { > > if [ -z "${boot_once}" ]; then > > saved_entry="${chosen}" > > save_env saved_entry > > fi > > } > > function load_video { > > if [ x$feature_all_video_module = xy ]; then > > insmod all_video > > else > > insmod efi_gop > > insmod efi_uga > > insmod ieee1275_fb > > insmod vbe > > insmod vga > > insmod video_bochs > > insmod video_cirrus > > fi > > } > > > > if [ x$feature_default_font_path = xy ] ; then > > font=unicode > > else > > insmod part_msdos > > insmod ext2 > > set root='hd0,msdos1' > > if [ x$feature_platform_search_hint = xy ]; then > > search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 > > --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 --hint='hd0,msdos1' > > cc540c15-0f8a-4933-88de-5516da7b3414 > > else > > search --no-floppy --fs-uuid --set=root > > cc540c15-0f8a-4933-88de-5516da7b3414 > > fi > > font="/usr/share/grub/unicode.pf2" > > fi > > > > if loadfont $font ; then > > set gfxmode=640x480 > > load_video > > insmod gfxterm > > set locale_dir=$prefix/locale > > set lang=fi_FI > > insmod gettext > > fi > > terminal_output gfxterm > > if [ "${recordfail}" = 1 ] ; then > > set timeout=30 > > else > > if [ x$feature_timeout_style = xy ] ; then > > set timeout_style=menu > > set timeout=5 > > # Fallback normal timeout code in case the timeout_style feature is > > # unavailable. > > else > > set timeout=5 > > fi > > fi > > ### END /etc/grub.d/00_header ### > > > > ### BEGIN /etc/grub.d/05_debian_theme ### > > insmod part_msdos > > insmod ext2 > > set root='hd0,msdos1' > > if [ x$feature_platform_search_hint = xy ]; then > > search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 > > --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 --hint='hd0,msdos1' > > cc540c15-0f8a-4933-88de-5516da7b3414 > > else > > search --no-floppy --fs-uuid --set=root > > cc540c15-0f8a-4933-88de-5516da7b3414 > > fi > > insmod png > > if background_image > > /usr/share/desktop-base/emerald-theme/grub/grub-4x3.png; then > > set color_normal=white/black > > set color_highlight=black/white > > else > > set menu_color_normal=white/black > > set menu_color_highlight=black/light-gray > > fi > > ### END /etc/grub.d/05_debian_theme ### > > > > ### BEGIN /etc/grub.d/10_linux ### > > function gfxmode { > > set gfxpayload="${1}" > > } > > set linux_gfx_mode=keep > > export linux_gfx_mode > > menuentry 'Debian GNU/Linux, with Linux 6.1.0-23-686-pae' --class debian > > --class gnu-linux --class gnu --class os $menuentry_id_option > > 'gnulinux-6.1.0-23-686-pae-advanced-cc540c15-0f8a-4933-88de-5516da7b3414' { > > load_video > > gfxmode $linux_gfx_mode > > insmod gzio > > if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi > > insmod part_msdos > > insmod ext2 > > set root='hd0,msdos1' > > if [ x$feature_platform_search_hint = xy ]; then > > search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 > > --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 --hint='hd0,msdos1' > > cc540c15-0f8a-4933-88de-5516da7b3414 > > else > > search --no-floppy --fs-uuid --set=root > > cc540c15-0f8a-4933-88de-5516da7b3414 > > fi > > echo 'Loading Linux 6.1.0-23-686-pae ...' > > linux /boot/vmlinuz-6.1.0-23-686-pae > > root=UUID=cc540c15-0f8a-4933-88de-5516da7b3414 ro panic=15 noquiet > > loglevel=4 nosplash > > echo 'Loading initial ramdisk ...' > > initrd /boot/initrd.img-6.1.0-23-686-pae > > } > > menuentry 'Debian GNU/Linux, with Linux 6.1.0-23-686-pae (recovery mode)' > > --class debian --class gnu-linux --class gnu --class os > > $menuentry_id_option > > 'gnulinux-6.1.0-23-686-pae-recovery-cc540c15-0f8a-4933-88de-5516da7b3414' { > > load_video > > gfxmode $linux_gfx_mode > > insmod gzio > > if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi > > insmod part_msdos > > insmod ext2 > > set root='hd0,msdos1' > > if [ x$feature_platform_search_hint = xy ]; then > > search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 > > --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 --hint='hd0,msdos1' > > cc540c15-0f8a-4933-88de-5516da7b3414 > > else > > search --no-floppy --fs-uuid --set=root > > cc540c15-0f8a-4933-88de-5516da7b3414 > > fi > > echo 'Loading Linux 6.1.0-23-686-pae ...' > > linux /boot/vmlinuz-6.1.0-23-686-pae > > root=UUID=cc540c15-0f8a-4933-88de-5516da7b3414 ro single panic=15 > > echo 'Loading initial ramdisk ...' > > initrd /boot/initrd.img-6.1.0-23-686-pae > > } > > menuentry 'Debian GNU/Linux, with Linux 6.1.0-22-686-pae' --class debian > > --class gnu-linux --class gnu --class os $menuentry_id_option > > 'gnulinux-6.1.0-22-686-pae-advanced-cc540c15-0f8a-4933-88de-5516da7b3414' { > > load_video > > gfxmode $linux_gfx_mode > > insmod gzio > > if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi > > insmod part_msdos > > insmod ext2 > > set root='hd0,msdos1' > > if [ x$feature_platform_search_hint = xy ]; then > > search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 > > --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 --hint='hd0,msdos1' > > cc540c15-0f8a-4933-88de-5516da7b3414 > > else > > search --no-floppy --fs-uuid --set=root > > cc540c15-0f8a-4933-88de-5516da7b3414 > > fi > > echo 'Loading Linux 6.1.0-22-686-pae ...' > > linux /boot/vmlinuz-6.1.0-22-686-pae > > root=UUID=cc540c15-0f8a-4933-88de-5516da7b3414 ro panic=15 noquiet > > loglevel=4 nosplash > > echo 'Loading initial ramdisk ...' > > initrd /boot/initrd.img-6.1.0-22-686-pae > > } > > menuentry 'Debian GNU/Linux, with Linux 6.1.0-22-686-pae (recovery mode)' > > --class debian --class gnu-linux --class gnu --class os > > $menuentry_id_option > > 'gnulinux-6.1.0-22-686-pae-recovery-cc540c15-0f8a-4933-88de-5516da7b3414' { > > load_video > > gfxmode $linux_gfx_mode > > insmod gzio > > if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi > > insmod part_msdos > > insmod ext2 > > set root='hd0,msdos1' > > if [ x$feature_platform_search_hint = xy ]; then > > search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 > > --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 --hint='hd0,msdos1' > > cc540c15-0f8a-4933-88de-5516da7b3414 > > else > > search --no-floppy --fs-uuid --set=root > > cc540c15-0f8a-4933-88de-5516da7b3414 > > fi > > echo 'Loading Linux 6.1.0-22-686-pae ...' > > linux /boot/vmlinuz-6.1.0-22-686-pae > > root=UUID=cc540c15-0f8a-4933-88de-5516da7b3414 ro single panic=15 > > echo 'Loading initial ramdisk ...' > > initrd /boot/initrd.img-6.1.0-22-686-pae > > } > > > > ### END /etc/grub.d/10_linux ### > > > > ### BEGIN /etc/grub.d/20_ipxe ### > > menuentry "Network boot (iPXE)" --users "" --class network { > > insmod part_msdos > > insmod ext2 > > set root='hd0,msdos1' > > if [ x$feature_platform_search_hint = xy ]; then > > search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 > > --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 --hint='hd0,msdos1' > > cc540c15-0f8a-4933-88de-5516da7b3414 > > else > > search --no-floppy --fs-uuid --set=root > > cc540c15-0f8a-4933-88de-5516da7b3414 > > fi > > linux16 /boot/ipxe.lkrn > > } > > ### END /etc/grub.d/20_ipxe ### > > > > ### BEGIN /etc/grub.d/20_linux_xen ### > > ### END /etc/grub.d/20_linux_xen ### > > > > ### BEGIN /etc/grub.d/20_memtest86+ ### > > menuentry "Memory test (memtest86+ia32.bin)" { > > insmod part_msdos > > insmod ext2 > > set root='hd0,msdos1' > > if [ x$feature_platform_search_hint = xy ]; then > > search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 > > --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 --hint='hd0,msdos1' > > cc540c15-0f8a-4933-88de-5516da7b3414 > > else > > search --no-floppy --fs-uuid --set=root > > cc540c15-0f8a-4933-88de-5516da7b3414 > > fi > > linux /boot/memtest86+ia32.bin > > } > > menuentry 'Memory test (memtest86+ia32.bin, serial console)' { > > insmod part_msdos > > insmod ext2 > > set root='hd0,msdos1' > > if [ x$feature_platform_search_hint = xy ]; then > > search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos1 > > --hint-efi=hd0,msdos1 --hint-baremetal=ahci0,msdos1 --hint='hd0,msdos1' > > cc540c15-0f8a-4933-88de-5516da7b3414 > > else > > search --no-floppy --fs-uuid --set=root > > cc540c15-0f8a-4933-88de-5516da7b3414 > > fi > > linux /boot/memtest86+ia32.bin console=ttyS0,115200 > > } > > ### END /etc/grub.d/20_memtest86+ ### > > > > ### BEGIN /etc/grub.d/30_os-prober ### > > ### END /etc/grub.d/30_os-prober ### > > > > ### BEGIN /etc/grub.d/30_uefi-firmware ### > > ### END /etc/grub.d/30_uefi-firmware ### > > > > ### BEGIN /etc/grub.d/35_fwupd ### > > ### END /etc/grub.d/35_fwupd ### > > > > ### BEGIN /etc/grub.d/40_custom ### > > # This file provides an easy way to add custom menu entries. Simply type > > the > > # menu entries you want to add after this comment. Be careful not to change > > # the 'exec tail' line above. > > # to boot from a USB device > > menuentry "USB chainloader" { > > insmod part_msdos > > insmod ext2 > > insmod fat > > insmod iso9660 > > nativedisk > > set root='ata0,msdos1' > > chainloader (usb0)+1 > > } > > ### END /etc/grub.d/40_custom ### > > > > ### BEGIN /etc/grub.d/41_custom ### > > if [ -f ${config_directory}/custom.cfg ]; then > > source ${config_directory}/custom.cfg > > elif [ -z "${config_directory}" -a -f $prefix/custom.cfg ]; then > > source $prefix/custom.cfg > > fi > > ### END /etc/grub.d/41_custom ### > > *********************** END /boot/grub/grub.cfg > > > > *********************** BEGIN /proc/mdstat > > cat: /proc/mdstat: No such file or directory > > *********************** END /proc/mdstat > > > > *********************** BEGIN /dev/disk/by-id > > total 0 > > lrwxrwxrwx 1 root root 9 Aug 13 22:43 ata-Compaq_CRD-8481B -> ../../sr0 > > lrwxrwxrwx 1 root root 9 Aug 13 22:47 ata-ST320011A_3HT48T7R -> ../../sda > > lrwxrwxrwx 1 root root 10 Aug 13 22:47 ata-ST320011A_3HT48T7R-part1 -> > > ../../sda1 > > lrwxrwxrwx 1 root root 10 Aug 13 22:47 ata-ST320011A_3HT48T7R-part2 -> > > ../../sda2 > > lrwxrwxrwx 1 root root 10 Aug 13 22:47 ata-ST320011A_3HT48T7R-part5 -> > > ../../sda5 > > lrwxrwxrwx 1 root root 9 Aug 13 22:43 > > usb-SAMSUNG_SP2514N_10000E000CE66B56-0:0 -> ../../sdb > > lrwxrwxrwx 1 root root 10 Aug 13 22:43 > > usb-SAMSUNG_SP2514N_10000E000CE66B56-0:0-part1 -> ../../sdb1 > > lrwxrwxrwx 1 root root 10 Aug 13 22:43 > > usb-SAMSUNG_SP2514N_10000E000CE66B56-0:0-part2 -> ../../sdb2 > > lrwxrwxrwx 1 root root 10 Aug 13 22:43 > > usb-SAMSUNG_SP2514N_10000E000CE66B56-0:0-part3 -> ../../sdb3 > > *********************** END /dev/disk/by-id > > > > *********************** BEGIN /dev/disk/by-uuid > > total 0 > > lrwxrwxrwx 1 root root 10 Aug 13 22:47 0cffc75f-9b88-4375-b6fd-f624db6b5d19 > > -> ../../sda5 > > lrwxrwxrwx 1 root root 10 Aug 13 22:43 561c5eff-f74f-456c-ac71-4259021c1571 > > -> ../../sdb1 > > lrwxrwxrwx 1 root root 10 Aug 13 22:43 863ba051-7b2b-44b3-aa45-88c2bfbe5688 > > -> ../../sdb3 > > lrwxrwxrwx 1 root root 10 Aug 13 22:43 86c9b551-1c6e-4b96-9441-65ff476d25e4 > > -> ../../sdb2 > > lrwxrwxrwx 1 root root 10 Aug 13 22:47 cc540c15-0f8a-4933-88de-5516da7b3414 > > -> ../../sda1 > > *********************** END /dev/disk/by-uuid > > > > - -- System Information: > > Debian Release: 12.6 > > APT prefers stable-updates > > APT policy: (500, 'stable-updates'), (500, 'stable-security'), (500, > > 'stable-debug'), (500, 'stable') > > Architecture: i386 (i686) > > > > Kernel: Linux 6.1.0-23-686-pae (SMP w/1 CPU thread; PREEMPT) > > Locale: LANG=fi_FI.UTF-8, LC_CTYPE=fi_FI.UTF-8 (charmap=UTF-8), > > LANGUAGE=fi:en > > Shell: /bin/sh linked to /usr/bin/dash > > Init: systemd (via /run/systemd/system) > > LSM: AppArmor: enabled > > > > Versions of packages grub-pc depends on: > > ii debconf [debconf-2.0] 1.5.82 > > ii grub-common 2.06-13+deb12u1 > > ii grub-pc-bin 2.06-13+deb12u1 > > ii grub2-common 2.06-13+deb12u1 > > ii ucf 3.0043+nmu1 > > > > grub-pc recommends no packages. > > > > grub-pc suggests no packages. > > > > - -- debconf information: > > * grub2/enable_os_prober: false > > * grub2/linux_cmdline: panic=15 > > grub-pc/install_devices_empty: false > > * grub-pc/install_devices: /dev/disk/by-id/ata-ST320011A_3HT48T7R > > grub2/update_nvram: true > > grub2/kfreebsd_cmdline_default: quiet > > grub-pc/mixed_legacy_and_grub2: true > > * grub2/linux_cmdline_default: noquiet loglevel=4 nosplash > > grub-pc/disk_description: > > grub-pc/install_devices_failed_upgrade: true > > grub2/force_efi_extra_removable: false > > grub2/kfreebsd_cmdline: > > grub-pc/partition_description: > > grub-pc/install_devices_disks_changed: > > grub-pc/kopt_extracted: true > > grub-pc/hidden_timeout: true > > grub-pc/install_devices_failed: false > > * grub-pc/chainload_from_menu.lst: true > > grub2/device_map_regenerated: > > grub-pc/timeout: 5 > > grub-pc/postrm_purge_boot_grub: false > > > > -----BEGIN PGP SIGNATURE----- > > > > iQIzBAEBCAAdFiEEyJACx3qL7GpObXOQrh+Cd8S017YFAma7u80ACgkQrh+Cd8S0 > > 17YHLw//Vfkg9Se04sQbHQf6BuD0uyjmhrtEGG41U2JbyEJjNrPZkjWgMROKGhBD > > n5D429muwzR84ad7Vwsjw6SLSlj8Ok0+NQuqjzhovRL7+o5mtoJ1P+OEsJENV22z > > n+SPXH3dPCicDCmu4ImuvLlGFYhxmchQ7x8KkXITp5N8keoTaFWFqzt+Q6dsanBH > > FFjGFwvelIiFt5ZWngm7TGJoEjt29rm1lKPVyJPckplD4mbSFUWvjSsrlTEu5ilC > > pY5gVgw7Dbtx7u01BB3DW5kMEgf9ZZmC7VSM2GKZXPQLHd2tqTHPtnBjcrln0Ehk > > 1Cg7/ApHrzJfuUyx7PMunFKTZ3LkOKWSFj/vmXiHOsZwF9SXx0hjBykkiaKBuPHc > > 1nW5KkWD2aa8sLyoaPjooMtVHpIpKQhn3IdlD+GtFmvcsXK8R1AejrEkNj4EPzV9 > > YKBjhL5wCAcqOiMYvaw+gL7/1S0hjltun6cHTAXRUrl6XriAGiQ6OsrSAQlQfU+8 > > aoFpOKZ95S/iBq2b7PpMzOrLkCW0rjkg/SET2ueHH9/pffqQ4OLFm79UckTn3JCi > > kzvLIr3EAf/cRtm/4UoZrqlbALg0uIpFDTmb0svw/Tl8gNcI/eEGACI0Dj8JRqgR > > 4QPGkEiga1XKFF1GEeDX5YTI3vboRBkvZScmE3Vv4n9eRNq/st8= > > =1Q91 > > -----END PGP SIGNATURE----- > > _______________________________________________ > > Pkg-grub-devel mailing list > > [email protected] > > https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/pkg-grub-devel
