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在Ubuntu 12.04 LTS中更新內核似乎不起作用

[英]Updating kernel in Ubuntu 12.04 LTS doesn't seem to work

 原文  2012-12-13 01:35:35  7   1    linux-kernel/ virtualbox/ ubuntu-12.04/ kernel-module/ uname

問題描述

我正在嘗試將Ubuntu 12.04 LTS的內核從3.4.0更新到可用的最新版本，但是無論我做什么， uname -r繼續返回3.4.0 。 我也嘗試過多次重啟系統，但無濟於事。

sudo update-grub的輸出如下： 

Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.5.0-19-generic
Found initrd image: /boot/initrd.img-3.5.0-19-generic
Found linux image: /boot/vmlinuz-3.4.0-030400-generic-pae
Found initrd image: /boot/initrd.img-3.4.0-030400-generic-pae
Found linux image: /boot/vmlinuz-3.2.0-34-generic-pae
Found initrd image: /boot/initrd.img-3.2.0-34-generic-pae
Found linux image: /boot/vmlinuz-3.2.0-34-generic
Found initrd image: /boot/initrd.img-3.2.0-34-generic
Found linux image: /boot/vmlinuz-2.6.38-8-generic
Found initrd image: /boot/initrd.img-2.6.38-8-generic
Found memtest86+ image: /boot/memtest86+.bin
Found unknown Linux distribution on /dev/sda3
Found unknown Linux distribution on /dev/sda5
Found Ubuntu 12.04.1 LTS (12.04) on /dev/sda7
done

如果有人知道如何更新/升級到最新內核，那就太好了。 [[當我說更新時，我不完全確定這意味着什么，但是我正在嘗試安裝標題，圖像，尤其是構建模塊（因為我相信VirtualBox不能在我的系統上運行，因為某種模塊問題）]。

請注意，我已經做了很多Google搜索來尋找答案，因此我為解決該問題所做的嘗試千差萬別，但是我對內核（以及對其進行更新）的整個思想及其組成部分的工作知識，是相當有限的。

如果有必要，我將非常樂意在終端中運行任何命令，如果您確實遇到了一個答案，請記住我是內核的“ newby”，因此請提供詳細的解釋和步驟或鏈接。 ）非常感謝。

最后一點，我正在運行由Jay Lee的腳本安裝的32位ChrUbuntu（僅供參考，/ dev / sda3和/ dev / sda5上未知的Linux發行版是ChromeOS [我的chromebook的默認操作系統]），可能與這個問題無關，但我不是專家，因此任何見解都是很酷的，但是絕對沒有必要。

編輯 ：/boot/grub/grub.conf的內容如下： 

#
# 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 $prefix/grubenv ]; then
  set have_grubenv=true
  load_env
fi
set default="0"
if [ "${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 recordfail {
  set recordfail=1
  if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env recordfail; fi; fi
}

function load_video {
  insmod vbe
  insmod vga
  insmod video_bochs
  insmod video_cirrus
}

insmod part_gpt
insmod ext2
set root='(hd0,gpt7)'
search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
if loadfont /usr/share/grub/unicode.pf2 ; then
  set gfxmode=auto
  load_video
  insmod gfxterm
  insmod part_gpt
  insmod ext2
  set root='(hd0,gpt7)'
  search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
  set locale_dir=($root)/boot/grub/locale
  set lang=en_US
  insmod gettext
fi
terminal_output gfxterm
if [ "${recordfail}" = 1 ]; then
  set timeout=-1
else
  set timeout=10
fi
### END /etc/grub.d/00_header ###

### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
    set gfxpayload="${1}"
    if [ "${1}" = "keep" ]; then
        set vt_handoff=vt.handoff=7
    else
        set vt_handoff=
    fi
}
if [ "${recordfail}" != 1 ]; then
  if [ -e ${prefix}/gfxblacklist.txt ]; then
    if hwmatch ${prefix}/gfxblacklist.txt 3; then
      if [ ${match} = 0 ]; then
        set linux_gfx_mode=keep
      else
        set linux_gfx_mode=text
      fi
    else
      set linux_gfx_mode=text
    fi
  else
    set linux_gfx_mode=keep
  fi
else
  set linux_gfx_mode=text
fi
export linux_gfx_mode
if [ "${linux_gfx_mode}" != "text" ]; then load_video; fi
menuentry 'Ubuntu, with Linux 3.5.0-19-generic' --class ubuntu --class gnu-linux --class gnu --class os {
    recordfail
    gfxmode $linux_gfx_mode
    insmod gzio
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    linux   /boot/vmlinuz-3.5.0-19-generic root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro   crashkernel=384M-2G:64M,2G-:128M quiet splash $vt_handoff
    initrd  /boot/initrd.img-3.5.0-19-generic
}
menuentry 'Ubuntu, with Linux 3.5.0-19-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
    recordfail
    insmod gzio
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    echo    'Loading Linux 3.5.0-19-generic ...'
    linux   /boot/vmlinuz-3.5.0-19-generic root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro recovery nomodeset 
    echo    'Loading initial ramdisk ...'
    initrd  /boot/initrd.img-3.5.0-19-generic
}
submenu "Previous Linux versions" {
menuentry 'Ubuntu, with Linux 3.4.0-030400-generic-pae' --class ubuntu --class gnu-linux --class gnu --class os {
    recordfail
    gfxmode $linux_gfx_mode
    insmod gzio
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    linux   /boot/vmlinuz-3.4.0-030400-generic-pae root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro   crashkernel=384M-2G:64M,2G-:128M quiet splash $vt_handoff
    initrd  /boot/initrd.img-3.4.0-030400-generic-pae
}
menuentry 'Ubuntu, with Linux 3.4.0-030400-generic-pae (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
    recordfail
    insmod gzio
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    echo    'Loading Linux 3.4.0-030400-generic-pae ...'
    linux   /boot/vmlinuz-3.4.0-030400-generic-pae root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro recovery nomodeset 
    echo    'Loading initial ramdisk ...'
    initrd  /boot/initrd.img-3.4.0-030400-generic-pae
}
menuentry 'Ubuntu, with Linux 3.2.0-34-generic-pae' --class ubuntu --class gnu-linux --class gnu --class os {
    recordfail
    gfxmode $linux_gfx_mode
    insmod gzio
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    linux   /boot/vmlinuz-3.2.0-34-generic-pae root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro   crashkernel=384M-2G:64M,2G-:128M quiet splash $vt_handoff
    initrd  /boot/initrd.img-3.2.0-34-generic-pae
}
menuentry 'Ubuntu, with Linux 3.2.0-34-generic-pae (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
    recordfail
    insmod gzio
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    echo    'Loading Linux 3.2.0-34-generic-pae ...'
    linux   /boot/vmlinuz-3.2.0-34-generic-pae root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro recovery nomodeset 
    echo    'Loading initial ramdisk ...'
    initrd  /boot/initrd.img-3.2.0-34-generic-pae
}
menuentry 'Ubuntu, with Linux 3.2.0-34-generic' --class ubuntu --class gnu-linux --class gnu --class os {
    recordfail
    gfxmode $linux_gfx_mode
    insmod gzio
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    linux   /boot/vmlinuz-3.2.0-34-generic root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro   crashkernel=384M-2G:64M,2G-:128M quiet splash $vt_handoff
    initrd  /boot/initrd.img-3.2.0-34-generic
}
menuentry 'Ubuntu, with Linux 3.2.0-34-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
    recordfail
    insmod gzio
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    echo    'Loading Linux 3.2.0-34-generic ...'
    linux   /boot/vmlinuz-3.2.0-34-generic root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro recovery nomodeset 
    echo    'Loading initial ramdisk ...'
    initrd  /boot/initrd.img-3.2.0-34-generic
}
menuentry 'Ubuntu, with Linux 2.6.38-8-generic' --class ubuntu --class gnu-linux --class gnu --class os {
    recordfail
    gfxmode $linux_gfx_mode
    insmod gzio
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    linux   /boot/vmlinuz-2.6.38-8-generic root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro   crashkernel=384M-2G:64M,2G-:128M quiet splash $vt_handoff
    initrd  /boot/initrd.img-2.6.38-8-generic
}
menuentry 'Ubuntu, with Linux 2.6.38-8-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os {
    recordfail
    insmod gzio
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    echo    'Loading Linux 2.6.38-8-generic ...'
    linux   /boot/vmlinuz-2.6.38-8-generic root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro recovery nomodeset 
    echo    'Loading initial ramdisk ...'
    initrd  /boot/initrd.img-2.6.38-8-generic
}
}
### 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+)" {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    linux16 /boot/memtest86+.bin
}
menuentry "Memory test (memtest86+, serial console 115200)" {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    linux16 /boot/memtest86+.bin console=ttyS0,115200n8
}
### END /etc/grub.d/20_memtest86+ ###

### BEGIN /etc/grub.d/30_os-prober ###
menuentry "unknown Linux distribution (on /dev/sda3)" --class gnu-linux --class gnu --class os {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt3)'
    search --no-floppy --fs-uuid --set=root 00000000-0000-0000-0000-000000000000
    linux /boot/vmlinuz root=/dev/sda3
}
menuentry "unknown Linux distribution (on /dev/sda3)" --class gnu-linux --class gnu --class os {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt3)'
    search --no-floppy --fs-uuid --set=root 00000000-0000-0000-0000-000000000000
    linux /boot/vmlinuz root=/dev/sda3
}
menuentry "unknown Linux distribution (on /dev/sda3)" --class gnu-linux --class gnu --class os {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt3)'
    search --no-floppy --fs-uuid --set=root 00000000-0000-0000-0000-000000000000
    linux /boot/vmlinuz-3.4.0 root=/dev/sda3
}
menuentry "unknown Linux distribution (on /dev/sda5)" --class gnu-linux --class gnu --class os {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt5)'
    search --no-floppy --fs-uuid --set=root 00000000-0000-0000-0000-000000000000
    linux /boot/vmlinuz root=/dev/sda5
}
menuentry "unknown Linux distribution (on /dev/sda5)" --class gnu-linux --class gnu --class os {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt5)'
    search --no-floppy --fs-uuid --set=root 00000000-0000-0000-0000-000000000000
    linux /boot/vmlinuz root=/dev/sda5
}
menuentry "unknown Linux distribution (on /dev/sda5)" --class gnu-linux --class gnu --class os {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt5)'
    search --no-floppy --fs-uuid --set=root 00000000-0000-0000-0000-000000000000
    linux /boot/vmlinuz-3.4.0 root=/dev/sda5
}
menuentry "Ubuntu, with Linux 3.5.0-19-generic (on /dev/sda7)" --class gnu-linux --class gnu --class os {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    linux /boot/vmlinuz-3.5.0-19-generic root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro crashkernel=384M-2G:64M,2G-:128M quiet splash $vt_handoff
    initrd /boot/initrd.img-3.5.0-19-generic
}
menuentry "Ubuntu, with Linux 3.5.0-19-generic (recovery mode) (on /dev/sda7)" --class gnu-linux --class gnu --class os {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    linux /boot/vmlinuz-3.5.0-19-generic root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro recovery nomodeset
    initrd /boot/initrd.img-3.5.0-19-generic
}
menuentry "Ubuntu, with Linux 3.4.0-030400-generic-pae (on /dev/sda7)" --class gnu-linux --class gnu --class os {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    linux /boot/vmlinuz-3.4.0-030400-generic-pae root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro crashkernel=384M-2G:64M,2G-:128M quiet splash $vt_handoff
    initrd /boot/initrd.img-3.4.0-030400-generic-pae
}
menuentry "Ubuntu, with Linux 3.4.0-030400-generic-pae (recovery mode) (on /dev/sda7)" --class gnu-linux --class gnu --class os {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    linux /boot/vmlinuz-3.4.0-030400-generic-pae root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro recovery nomodeset
    initrd /boot/initrd.img-3.4.0-030400-generic-pae
}
menuentry "Ubuntu, with Linux 3.2.0-34-generic-pae (on /dev/sda7)" --class gnu-linux --class gnu --class os {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    linux /boot/vmlinuz-3.2.0-34-generic-pae root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro crashkernel=384M-2G:64M,2G-:128M quiet splash $vt_handoff
    initrd /boot/initrd.img-3.2.0-34-generic-pae
}
menuentry "Ubuntu, with Linux 3.2.0-34-generic-pae (recovery mode) (on /dev/sda7)" --class gnu-linux --class gnu --class os {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    linux /boot/vmlinuz-3.2.0-34-generic-pae root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro recovery nomodeset
    initrd /boot/initrd.img-3.2.0-34-generic-pae
}
menuentry "Ubuntu, with Linux 3.2.0-34-generic (on /dev/sda7)" --class gnu-linux --class gnu --class os {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    linux /boot/vmlinuz-3.2.0-34-generic root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro crashkernel=384M-2G:64M,2G-:128M quiet splash $vt_handoff
    initrd /boot/initrd.img-3.2.0-34-generic
}
menuentry "Ubuntu, with Linux 3.2.0-34-generic (recovery mode) (on /dev/sda7)" --class gnu-linux --class gnu --class os {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    linux /boot/vmlinuz-3.2.0-34-generic root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro recovery nomodeset
    initrd /boot/initrd.img-3.2.0-34-generic
}
menuentry "Ubuntu, with Linux 2.6.38-8-generic (on /dev/sda7)" --class gnu-linux --class gnu --class os {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    linux /boot/vmlinuz-2.6.38-8-generic root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro crashkernel=384M-2G:64M,2G-:128M quiet splash $vt_handoff
    initrd /boot/initrd.img-2.6.38-8-generic
}
menuentry "Ubuntu, with Linux 2.6.38-8-generic (recovery mode) (on /dev/sda7)" --class gnu-linux --class gnu --class os {
    insmod part_gpt
    insmod ext2
    set root='(hd0,gpt7)'
    search --no-floppy --fs-uuid --set=root 48ba90b7-e174-4460-9b09-308e40541728
    linux /boot/vmlinuz-2.6.38-8-generic root=UUID=48ba90b7-e174-4460-9b09-308e40541728 ro recovery nomodeset
    initrd /boot/initrd.img-2.6.38-8-generic
}
### END /etc/grub.d/30_os-prober ###

### 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  $prefix/custom.cfg ]; then
  source $prefix/custom.cfg;
fi
### END /etc/grub.d/41_custom ###

1 個解決方案

解決方案1
 0  2012-12-13 07:12:50

從update-grub輸出中，似乎已成功安裝內核3.5.0-19

在啟動時出現grub菜單嗎？ 有哪些選擇？

可能想使用sudo grub-set-default X設置默認啟動項，在/boot/grub/grub.cfg中檢查哪個項是3.5.0-19並相應地設置X （可能為0）。

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