Update geht nicht?

das schaut bis auf die seltsamen fehlermeldungen okay aus.. wie sieht denn die /boot/efi/EFI/proxmox/grub.cfg datei aus? und wie die in /boot/efi/EFI/debian/grub.cfg ?
 
/boot/efi/EFI/proxmox/grub.cfg

search.fs_uuid 7b775ddf-d64a-4490-8478-91731006da78 root mduuid/9341311b06775204fbf1ab7ea56a8de7
set prefix=($root)'/boot/grub'
configfile $prefix/grub.cfg

/boot/efi/EFI/debian/grub.cfg
search.fs_uuid 7b775ddf-d64a-4490-8478-91731006da78 root mduuid/9341311b06775204fbf1ab7ea56a8de7
set prefix=($root)'/boot/grub'
configfile $prefix/grub.cfg
 
und /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/000_proxmox_boot_header ###
### END /etc/grub.d/000_proxmox_boot_header ###

### 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$feature_default_font_path = xy ] ; then
font=unicode
else
insmod part_gpt
insmod diskfilter
insmod mdraid1x
insmod ext2
set root='mduuid/9341311b06775204fbf1ab7ea56a8de7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint='mduuid/9341311b06775204fbf1ab7ea56a8de7' 7b775ddf-d64a-4490-8478-91731006da78
else
search --no-floppy --fs-uuid --set=root 7b775ddf-d64a-4490-8478-91731006da78
fi
font="/usr/share/grub/unicode.pf2"
fi

if loadfont $font ; then
set gfxmode=auto
load_video
insmod gfxterm
set locale_dir=$prefix/locale
set lang=en_US
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 ###
set menu_color_normal=cyan/blue
set menu_color_highlight=white/blue
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
set gfxpayload="${1}"
}
set linux_gfx_mode=
export linux_gfx_mode
menuentry 'Proxmox VE GNU/Linux' --class proxmox --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-7b775ddf-d64a-4490-8478-91731006da78' {
load_video
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_gpt
insmod diskfilter
insmod mdraid1x
insmod ext2
set root='mduuid/9341311b06775204fbf1ab7ea56a8de7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint='mduuid/9341311b06775204fbf1ab7ea56a8de7' 7b775ddf-d64a-4490-8478-91731006da78
else
search --no-floppy --fs-uuid --set=root 7b775ddf-d64a-4490-8478-91731006da78
fi
echo 'Loading Linux 6.5.13-3-pve ...'
linux /boot/vmlinuz-6.5.13-3-pve root=UUID=7b775ddf-d64a-4490-8478-91731006da78 ro rootdelay=10 net.ifnames=0 ixgbe.allow_unsupported_sfp=1 quiet
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-6.5.13-3-pve
}
submenu 'Advanced options for Proxmox VE GNU/Linux' $menuentry_id_option 'gnulinux-advanced-7b775ddf-d64a-4490-8478-91731006da78' {
menuentry 'Proxmox VE GNU/Linux, with Linux 6.5.13-3-pve' --class proxmox --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-6.5.13-3-pve-advanced-7b775ddf-d64a-4490-8478-91731006da78' {
load_video
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_gpt
insmod diskfilter
insmod mdraid1x
insmod ext2
set root='mduuid/9341311b06775204fbf1ab7ea56a8de7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint='mduuid/9341311b06775204fbf1ab7ea56a8de7' 7b775ddf-d64a-4490-8478-91731006da78
else
search --no-floppy --fs-uuid --set=root 7b775ddf-d64a-4490-8478-91731006da78
fi
echo 'Loading Linux 6.5.13-3-pve ...'
linux /boot/vmlinuz-6.5.13-3-pve root=UUID=7b775ddf-d64a-4490-8478-91731006da78 ro rootdelay=10 net.ifnames=0 ixgbe.allow_unsupported_sfp=1 quiet
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-6.5.13-3-pve
}
menuentry 'Proxmox VE GNU/Linux, with Linux 6.5.13-3-pve (recovery mode)' --class proxmox --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-6.5.13-3-pve-recovery-7b775ddf-d64a-4490-8478-91731006da78' {
load_video
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_gpt
insmod diskfilter
insmod mdraid1x
insmod ext2
set root='mduuid/9341311b06775204fbf1ab7ea56a8de7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint='mduuid/9341311b06775204fbf1ab7ea56a8de7' 7b775ddf-d64a-4490-8478-91731006da78
else
search --no-floppy --fs-uuid --set=root 7b775ddf-d64a-4490-8478-91731006da78
fi
echo 'Loading Linux 6.5.13-3-pve ...'
linux /boot/vmlinuz-6.5.13-3-pve root=UUID=7b775ddf-d64a-4490-8478-91731006da78 ro single rootdelay=10 net.ifnames=0 ixgbe.allow_unsupported_sfp=1
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-6.5.13-3-pve
}
menuentry 'Proxmox VE GNU/Linux, with Linux 6.2.16-20-pve' --class proxmox --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-6.2.16-20-pve-advanced-7b775ddf-d64a-4490-8478-91731006da78' {
load_video
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_gpt
insmod diskfilter
insmod mdraid1x
insmod ext2
set root='mduuid/9341311b06775204fbf1ab7ea56a8de7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint='mduuid/9341311b06775204fbf1ab7ea56a8de7' 7b775ddf-d64a-4490-8478-91731006da78
else
search --no-floppy --fs-uuid --set=root 7b775ddf-d64a-4490-8478-91731006da78
fi
echo 'Loading Linux 6.2.16-20-pve ...'
linux /boot/vmlinuz-6.2.16-20-pve root=UUID=7b775ddf-d64a-4490-8478-91731006da78 ro rootdelay=10 net.ifnames=0 ixgbe.allow_unsupported_sfp=1 quiet
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-6.2.16-20-pve
}
menuentry 'Proxmox VE GNU/Linux, with Linux 6.2.16-20-pve (recovery mode)' --class proxmox --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-6.2.16-20-pve-recovery-7b775ddf-d64a-4490-8478-91731006da78' {
load_video
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_gpt
insmod diskfilter
insmod mdraid1x
insmod ext2
set root='mduuid/9341311b06775204fbf1ab7ea56a8de7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint='mduuid/9341311b06775204fbf1ab7ea56a8de7' 7b775ddf-d64a-4490-8478-91731006da78
else
search --no-floppy --fs-uuid --set=root 7b775ddf-d64a-4490-8478-91731006da78
fi
echo 'Loading Linux 6.2.16-20-pve ...'
linux /boot/vmlinuz-6.2.16-20-pve root=UUID=7b775ddf-d64a-4490-8478-91731006da78 ro single rootdelay=10 net.ifnames=0 ixgbe.allow_unsupported_sfp=1
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-6.2.16-20-pve
}
menuentry 'Proxmox VE GNU/Linux, with Linux 5.15.143-1-pve' --class proxmox --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.15.143-1-pve-advanced-7b775ddf-d64a-4490-8478-91731006da78' {
load_video
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_gpt
insmod diskfilter
insmod mdraid1x
insmod ext2
set root='mduuid/9341311b06775204fbf1ab7ea56a8de7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint='mduuid/9341311b06775204fbf1ab7ea56a8de7' 7b775ddf-d64a-4490-8478-91731006da78
else
search --no-floppy --fs-uuid --set=root 7b775ddf-d64a-4490-8478-91731006da78
fi
echo 'Loading Linux 5.15.143-1-pve ...'
linux /boot/vmlinuz-5.15.143-1-pve root=UUID=7b775ddf-d64a-4490-8478-91731006da78 ro rootdelay=10 net.ifnames=0 ixgbe.allow_unsupported_sfp=1 quiet
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-5.15.143-1-pve
}
menuentry 'Proxmox VE GNU/Linux, with Linux 5.15.143-1-pve (recovery mode)' --class proxmox --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.15.143-1-pve-recovery-7b775ddf-d64a-4490-8478-91731006da78' {
load_video
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_gpt
insmod diskfilter
insmod mdraid1x
insmod ext2
set root='mduuid/9341311b06775204fbf1ab7ea56a8de7'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint='mduuid/9341311b06775204fbf1ab7ea56a8de7' 7b775ddf-d64a-4490-8478-91731006da78
else
search --no-floppy --fs-uuid --set=root 7b775ddf-d64a-4490-8478-91731006da78
fi
echo 'Loading Linux 5.15.143-1-pve ...'
linux /boot/vmlinuz-5.15.143-1-pve root=UUID=7b775ddf-d64a-4490-8478-91731006da78 ro single rootdelay=10 net.ifnames=0 ixgbe.allow_unsupported_sfp=1
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-5.15.143-1-pve
}
}

### END /etc/grub.d/10_linux ###

### BEGIN /etc/grub.d/20_linux_xen ###

### END /etc/grub.d/20_linux_xen ###

### BEGIN /etc/grub.d/30_os-prober ###
### END /etc/grub.d/30_os-prober ###

### BEGIN /etc/grub.d/30_uefi-firmware ###
menuentry 'UEFI Firmware Settings' $menuentry_id_option 'uefi-firmware' {
fwsetup
}
### END /etc/grub.d/30_uefi-firmware ###

### 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.
### 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 ###
 
das schaut eigentlich alles soweit gut aus.. kannst du nochmal einen reboot probieren?
 
Mach mal
Code:
proxmox-boot-tool kernel unpin
 
siehst du den im boot menue die neueren kernel wenn du rebootest?
 
grub ist (in dem fall) das boot menue.. du koenntest noch probieren die andere platte/ESP anzuschauen, vielleicht bootest du doch irgendwie von der?