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无法执行“update-grub”

tag-icon • tag-icon grub2
无法执行“update-grub”

update-grub 返回：

/usr/sbin/grub-mkconfig: 12: /etc/default/grub: GRUB_CMDLINE_LI­NUX=acpi_osi=Linux acpi_backlight=vendor: not found

此外，apt-get 升级命令未成功执行，它以此消息结束：

/var/lib/dpkg/info/grub-pc.config: 12: /etc/default/grub: GRUB_CMDLINE_LI­NUX=acpi_osi=Linux acpi_backlight=vendor: not found
dpkg: error processing package grub-pc (--configure):
 subprocess installed post-installation script returned error exit status 127
Errors were encountered while processing:
 grub-pc
E: Sub-process /usr/bin/dpkg returned an error code (1)

grub 文件：/etc/default/grub

# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
# For full documentation of the options in this file, see:
#   info -f grub -n 'Simple configuration'

GRUB_DEFAULT=0
#GRUB_HIDDEN_TIMEOUT=0
GRUB_HIDDEN_TIMEOUT_QUIET=true
GRUB_TIMEOUT=10
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
GRUB_CMDLINE_LI­NUX="acpi_osi=Linux acpi_backlight=vendor"

# Uncomment to enable BadRAM filtering, modify to suit your needs
# This works with Linux (no patch required) and with any kernel that obtains
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"

# Uncomment to disable graphical terminal (grub-pc only)
#GRUB_TERMINAL=console

# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
#GRUB_GFXMODE=640x480

# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux
#GRUB_DISABLE_LINUX_UUID=true

# Uncomment to disable generation of recovery mode menu entries
#GRUB_DISABLE_RECOVERY="true"

# Uncomment to get a beep at grub start
#GRUB_INIT_TUNE="480 440 1"

grub 出了什么问题？我没有碰过它！

答案1

此行/etc/default/grub不正确：

GRUB_CMDLINE_LI­NUX="acpi_osi=Linux acpi_backlight=vendor"

应该说

GRUB_CMDLINE_LI­NUX=""

你的启动参数acpi_osi=Linux acpi_backlight=vendor应该放在以下行中

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"

编辑文件：

sudoedit /etc/default/grub

并更正这两行，以便在编辑后您得到：

GRUB_CMDLINE_LINUX_DEFAULT="quiet splash acpi_osi=Linux acpi_backlight=vendor"
GRUB_CMDLINE_LI­NUX=""

保存文件，退出并运行

sudo update-grub

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