升级到 Debian 书虫。硬重启会启动 grub。那挺好的。
但是等待或按回车键以获得默认的 grub 选择会导致“软锁定 - CPU#0 卡住”。
有趣的是，如果我首先在 grub 中选择“Debian 的高级选项”（即第二个菜单选项），然后按转义键（返回到外部菜单），然后选择默认的（Debian GNU/Linux）顶部菜单选项并按回车键我可以正常启动。还可以选择特定的高级选项启动。仅初始默认挂起。
我查看了 /boot/grub/grub.cfg，但没有看到任何可能导致此问题的内容（我没有手动编辑它）：
#
# 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 btrfs
set root='hd0,msdos10'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos10 --hint-efi=hd0,msdos10 --hint-baremetal=ahci0,msdos10 ed95d75a-0770-4094-aba5-898678f22b0e
else
search --no-floppy --fs-uuid --set=root ed95d75a-0770-4094-aba5-898678f22b0e
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=4
# Fallback normal timeout code in case the timeout_style feature is
# unavailable.
else
set timeout=4
fi
fi
### END /etc/grub.d/00_header ###
### BEGIN /etc/grub.d/05_debian_theme ###
insmod part_msdos
insmod btrfs
set root='hd0,msdos10'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos10 --hint-efi=hd0,msdos10 --hint-baremetal=ahci0,msdos10 ed95d75a-0770-4094-aba5-898678f22b0e
else
search --no-floppy --fs-uuid --set=root ed95d75a-0770-4094-aba5-898678f22b0e
fi
insmod jpeg
if background_image /boot/grub/earthlights_dmsp_big-256 RGB.jpg; then
true
else
set menu_color_normal=cyan/blue
set menu_color_highlight=white/blue
fi
### END /etc/grub.d/05_debian_theme ###
### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
set gfxpayload="${1}"
}
set linux_gfx_mode=
export linux_gfx_mode
menuentry 'Debian GNU/Linux' --class debian --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-simple-ed95d75a-0770-4094-aba5-898678f22b0e' {
load_video
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod btrfs
set root='hd0,msdos10'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos10 --hint-efi=hd0,msdos10 --hint-baremetal=ahci0,msdos10 ed95d75a-0770-4094-aba5-898678f22b0e
else
search --no-floppy --fs-uuid --set=root ed95d75a-0770-4094-aba5-898678f22b0e
fi
echo 'Loading Linux 6.1.0-13-amd64 ...'
linux /boot/vmlinuz-6.1.0-13-amd64 root=UUID=ed95d75a-0770-4094-aba5-898678f22b0e ro initrd=/install/initrd.gz quiet
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-6.1.0-13-amd64
}
submenu 'Advanced options for Debian GNU/Linux' $menuentry_id_option 'gnulinux-advanced-ed95d75a-0770-4094-aba5-898678f22b0e' {
menuentry 'Debian GNU/Linux, with Linux 6.1.0-13-amd64' --class debian --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-6.1.0-13-amd64-advanced-ed95d75a-0770-4094-aba5-898678f22b0e' {
load_video
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod btrfs
set root='hd0,msdos10'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos10 --hint-efi=hd0,msdos10 --hint-baremetal=ahci0,msdos10 ed95d75a-0770-4094-aba5-898678f22b0e
else
search --no-floppy --fs-uuid --set=root ed95d75a-0770-4094-aba5-898678f22b0e
fi
echo 'Loading Linux 6.1.0-13-amd64 ...'
linux /boot/vmlinuz-6.1.0-13-amd64 root=UUID=ed95d75a-0770-4094-aba5-898678f22b0e ro initrd=/install/initrd.gz quiet
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-6.1.0-13-amd64
}
menuentry 'Debian GNU/Linux, with Linux 6.1.0-13-amd64 (recovery mode)' --class debian --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-6.1.0-13-amd64-recovery-ed95d75a-0770-4094-aba5-898678f22b0e' {
load_video
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod btrfs
set root='hd0,msdos10'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos10 --hint-efi=hd0,msdos10 --hint-baremetal=ahci0,msdos10 ed95d75a-0770-4094-aba5-898678f22b0e
else
search --no-floppy --fs-uuid --set=root ed95d75a-0770-4094-aba5-898678f22b0e
fi
echo 'Loading Linux 6.1.0-13-amd64 ...'
linux /boot/vmlinuz-6.1.0-13-amd64 root=UUID=ed95d75a-0770-4094-aba5-898678f22b0e ro single initrd=/install/initrd.gz
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-6.1.0-13-amd64
}
menuentry 'Debian GNU/Linux, with Linux 5.10.0-26-amd64' --class debian --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.10.0-26-amd64-advanced-ed95d75a-0770-4094-aba5-898678f22b0e' {
load_video
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod btrfs
set root='hd0,msdos10'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos10 --hint-efi=hd0,msdos10 --hint-baremetal=ahci0,msdos10 ed95d75a-0770-4094-aba5-898678f22b0e
else
search --no-floppy --fs-uuid --set=root ed95d75a-0770-4094-aba5-898678f22b0e
fi
echo 'Loading Linux 5.10.0-26-amd64 ...'
linux /boot/vmlinuz-5.10.0-26-amd64 root=UUID=ed95d75a-0770-4094-aba5-898678f22b0e ro initrd=/install/initrd.gz quiet
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-5.10.0-26-amd64
}
menuentry 'Debian GNU/Linux, with Linux 5.10.0-26-amd64 (recovery mode)' --class debian --class gnu-linux --class gnu --class os $menuentry_id_option 'gnulinux-5.10.0-26-amd64-recovery-ed95d75a-0770-4094-aba5-898678f22b0e' {
load_video
insmod gzio
if [ x$grub_platform = xxen ]; then insmod xzio; insmod lzopio; fi
insmod part_msdos
insmod btrfs
set root='hd0,msdos10'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos10 --hint-efi=hd0,msdos10 --hint-baremetal=ahci0,msdos10 ed95d75a-0770-4094-aba5-898678f22b0e
else
search --no-floppy --fs-uuid --set=root ed95d75a-0770-4094-aba5-898678f22b0e
fi
echo 'Loading Linux 5.10.0-26-amd64 ...'
linux /boot/vmlinuz-5.10.0-26-amd64 root=UUID=ed95d75a-0770-4094-aba5-898678f22b0e ro single initrd=/install/initrd.gz
echo 'Loading initial ramdisk ...'
initrd /boot/initrd.img-5.10.0-26-amd64
}
}
### END /etc/grub.d/10_linux ###
### BEGIN /etc/grub.d/20_linux_xen ###
### END /etc/grub.d/20_linux_xen ###
### BEGIN /etc/grub.d/20_memtest86+ ###
menuentry "Memory test (memtest86+x64.bin)" {
insmod part_msdos
insmod btrfs
set root='hd0,msdos10'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos10 --hint-efi=hd0,msdos10 --hint-baremetal=ahci0,msdos10 ed95d75a-0770-4094-aba5-898678f22b0e
else
search --no-floppy --fs-uuid --set=root ed95d75a-0770-4094-aba5-898678f22b0e
fi
linux /boot/memtest86+x64.bin
}
menuentry 'Memory test (memtest86+x64.bin, serial console)' {
insmod part_msdos
insmod btrfs
set root='hd0,msdos10'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos10 --hint-efi=hd0,msdos10 --hint-baremetal=ahci0,msdos10 ed95d75a-0770-4094-aba5-898678f22b0e
else
search --no-floppy --fs-uuid --set=root ed95d75a-0770-4094-aba5-898678f22b0e
fi
linux /boot/memtest86+x64.bin console=ttyS0,115200
}
### END /etc/grub.d/20_memtest86+ ###
### BEGIN /etc/grub.d/30_os-prober ###
menuentry 'Windows 10 (on /dev/sda1)' --class windows --class os $menuentry_id_option 'osprober-chain-0F78EF80D892D51E' {
insmod part_msdos
insmod ntfs
set root='hd0,msdos1'
if [ x$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 0F78EF80D892D51E
else
search --no-floppy --fs-uuid --set=root 0F78EF80D892D51E
fi
parttool ${root} hidden-
drivemap -s (hd0) ${root}
chainloader +1
}
menuentry 'Windows Recovery Environment (on /dev/sda2)' --class windows --class os $menuentry_id_option 'osprober-chain-C08B3562685C8C00' {
insmod part_msdos
insmod ntfs
set root='hd0,msdos2'
if [ x$feature_platform_search_hint = xy ]; then
search --no-floppy --fs-uuid --set=root --hint-bios=hd0,msdos2 --hint-efi=hd0,msdos2 --hint-baremetal=ahci0,msdos2 C08B3562685C8C00
else
search --no-floppy --fs-uuid --set=root C08B3562685C8C00
fi
parttool ${root} hidden-
drivemap -s (hd0) ${root}
chainloader +1
}
### 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/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 ###