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pop!_os wont boot anymore and the last line just says not syncing

Solvedinitramfskernel-paniclinux5 replies · 238 views · started
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Accepted solution

by Leon K.Jump to the reply

ok so on Debian, Ubuntu, Mint and Pop!_OS, regenerate it and refresh GRUB:

sudo update-initramfs -c -k all
sudo update-grub

on Fedora use sudo dracut --regenerate-all --force. on Arch use sudo mkinitcpio -P. lmk how it goes

  1. Felix Ivanova
    @frame_tinker

    i need a calm person to talk me down.

    2.481214 VFS: Cannot open root device "sda2" or unknown-block(0,0): error -6

    [    2.481214] VFS: Cannot open root device "sda2" or unknown-block(0,0): error -6
[    2.481362] Please append a correct "root=" boot option; here are the available partitions:
[    2.481513] 0b00         1048575 sr0
[    2.481601]  driver: sr
[    2.481702] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[    2.481843] CPU: 3 PID: 1 Comm: swapper/0 Not tainted
[    2.481957] Call Trace:
[    2.482010]  <TASK>
[    2.482078]  dump_stack_lvl+0x48/0x70
[    2.482155]  panic+0x118/0x300
[    2.482231]  mount_block_root+0x1d3/0x1e0
[    2.482309]  prepare_namespace+0x136/0x165
[    2.482398] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs ]---

    thats my Pop!_OS laptop after a routine kernel update 😂 it just freezes there with teh caps lock light blinking. i have a live USB from when i installed it. im comfortable with a terminal but Ive never had to repair a boot before. is this fixable without reinstalling? i can boot teh live USB and see teh drives partitions, and my files look like theyre still there 👍 so the disk is alive. i just dont understand what teh system is missing at boot. im about to throw this thing out the window lol

    rage

    12
  2. Tess Rossi
    @trossi_15

    if you changed the disk or partition layout, copmare the UUIDs from blkid with /etc/fstab and the root= parameter in ur GRUB entry. A stale UUID gives the same panic.

    1 2 helpful
  3. Leon K.
    @quartzfox
    in reply to @trossi_15 Accepted solution

    ok so on Debian, Ubuntu, Mint and Pop!_OS, regenerate it and refresh GRUB:

    sudo update-initramfs -c -k all
sudo update-grub

    on Fedora use sudo dracut --regenerate-all --force. on Arch use sudo mkinitcpio -P. lmk how it goes

    5 6 helpful
  5. Mateo Yilmaz
    @mateoy37
    in reply to @trossi_15

    ehh some will say reinstall, and honestly if you have a separate /home partition a reinstall is quick 😅 but this specific panic is almost always fixable in a few commands.

    2 4 helpful
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