[arch-general] Mounted ext4 filesystem without journal

u34 at net9.ga u34 at net9.ga
Sun Feb 7 18:26:40 UTC 2021

Alexander Kapshuk via arch-general <arch-general at lists.archlinux.org> wrote:

> I haven't had any replies to the email below so far.
> Not sure if that's because that email didn't make it through to the mailing
> list, even though it does show up here
> <https://lists.archlinux.org/pipermail/arch-general/2021-February/048597.html>,
> or if it's because the problem I'm asking help for is unique and the
> members of the list have nothing to suggest.
> Thought I'd resend the original email just in case.
> Any pointers would be appreciated.
> ---------- Forwarded message ---------
> From: Alexander Kapshuk <alexander.kapshuk at gmail.com>
> Date: Thu, Feb 4, 2021 at 5:40 PM
> Subject: Mounted ext4 filesystem without journal
> To: General Discussion about Arch Linux <arch-general at archlinux.org>
> Most probably due to a buggy custom kernel, fsck on /dev/sda2, i.e the
> root partition, failed with a rootfs prompt and an invitation to run
> fsck on /dev/sda2 presented.
> On having done that and rebooted, when performing fsck on /dev/sda2,
> the system reported that:
> /dev/sda2 had not been cleanly unmounted
> 0.4% non-contiguous blocks
> mounting /dev/sda2 on real root
> EXT4-fs (sda2) mounted filesystem without journal
> Root device mounted successfully, but /sbin/init does not exist.
> The wiki article on fsck troubleshooting,
> https://wiki.archlinux.org/index.php/Fsck#Troubleshooting, suggests
> using tune2fs to write a new journal to /dev/sda2.
> But it doesn't seem to be available when in rootfs.
> Booting into the Arch Linux installation CD and mounting /dev/sda2
> over /mnt reveals lost+found as the sole contents of the directory.
> As an experiment, mounting /dev/sda1 over /mnt confirms the presence
> of all the files there are on my boot partition.
> Any pointers on how to proceed with this would be much appreciated.


I recieved your original message throught the list.
Other then suggesting to check for bad blocks and the S.M.A.R.T data of 
the device, and restore from backup, I have no ideas.


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