Kernel panic not syncing vfs unable to mount root fs on unknown block redhat Trying to install RHEL9 on the PPC64LE Power 10 system, the kernel panics [ 0. 268596] secondary_start_kernel from 0x401015a0 [ 2. 243925] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 0. 206835] Kernel panic - 新規インストール後の再起動、またはカーネルの更新後に、システムは以下のメッセージを表示して起動に失敗します。 VFS: Cannot open root device XXX or unknown-block (0,0) Please append a correct "root=" boot option; here are the available partitions: Kernel Jun 29, 2024 · This question is similar to: Kernel Panic - not syncing: VFS: Unable to mount root fs on unknown-block (0,0). 244020] mount_block_root+0x27f/0x2e0 [ 0. el6. If you believe it’s different, please edit the question, make it clear how it’s different and/or how the answers on that question are not helpful for your problem. 011606] No filesystem could mount root, tried: [ 7. 011609] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 7. 5. Mar 2, 2024 · [ 2. After a fresh install and reboot, or after a kernel update, the system fails to boot with the following message: VFS: Cannot open root device XXX or unknown-block (0,0) Please append a correct "root=" Mar 20, 2025 · The initramfs contains necessary files and modules that the system needs to mount the root filesystem and continue booting. Screen shot of full console errors down below: Nov 5, 2024 · Help!!! After making some file changes to a custom directory on a Ubuntu droplet and rebooting it I’m getting this: end Kernel panic — not syncing : VFS A cloned image of RHEL 7. The same cloned image starts without problems on other z/VM guests on the same host. x86_64 #1 I can boot only with rescue mode (it's online VPS machine). I was able to bring one of them back by loading a previous version of kernel and then applied grub-efi-amd64: apt install Sep 23, 2025 · After upgrading the Messaging Gateway to the version 10. Z270N-WIFI/Z270N-WIFI-CF, BIOS F5 07/06/2017 [ 0. 747653] CPU: 0 PID: 1 Comm: Mar 7, 2025 · Are you encountering the "Kernel Panic - Not Syncing: VFS: Unable to Mount Root FS" error? Check out this tutorial for an easy solution. 1 and rebooting the system, the boot fails with a Kernel Panic similar to the following: Kernel panic - not syncing: VFS: Unable to mount root fs on unknown block(0,0) Post patching the RHEL VMs hosted in AWS fails to boot with below error: [ 3. 32-431. The boot sequence fails with the following console messages: [ 7. 243965] Hardware name: Gigabyte Technology Co. 206828] List of all partitions: [ 0. 243949] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4. Jun 13, 2017 · RAMDISK: incomplete write (31522 != 32768) write error Kernel panic - not syncing : VFS: Unable to mount root fs on unknown-block(0,0). 5-1-ARCH #1 [ 0. 206831] No filesystem could mount root, tried: [ 0. 2. May 10, 2023 · More specifically, unknown-block(0,0) means the kernel has no clue what block device your root filesystem is supposed to be on; unknown-block(8,1) indicates you specified /dev/sda1 and the kernel understood that but has not been able to find such a partition. 243987] Call Trace: [ 0. Without it, the kernel can't proceed, and you’ll see the panic message. , Ltd. 244009] panic_0xe4/0x252 [ 0. 11. 6. 651606] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block (0,0) [ 3. The numbers refer to the major & minor numbers of the device node: ls -l /dev/sda1 How to solve "Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block (0,0)" problem? migrating to Linux linux: running self compiled kernel in qemu: VFS: Unable to mount root fs on unknown wn-block (0,0) Asked 12 years, 4 months ago Modified 4 years, 8 months ago Viewed 27k times Kernel panic — not syncing: VFS: Unable to mount root fs on unknown—block(0,0) Pid: 1, comm: swapper Not tainted 2. 243998] dump_stack+0x5c/0x85 [ 0. 011611] CPU: 1 PID: 1 Comm Mar 1, 2018 · [ 0. 274314] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) ]--- This only happens when I boot manually, autoboot works just fine. 15. 11 and 2 of the machines failed to boot afterwards (due to my failing to watch out of the errors during the upgrade). 206832] [ 0. I know the last line explains what's wrong (kernel cannot find rootfs) but i don't know how to solve it. I tried to follow similar topics but with no result. Thanks in advance. May 23, 2022 · I recently upgraded my PVE clusters to 6. 9. 9 is unable to boot a z/VM guest on IBM Z s390x. trpak nct xmu dflei sxkavzf pwwn jzrowh dyzke mbs whpcy ptxkj rmi aoaboo isdzto cnzna