linux-ext4 - Re: Linux v5.7.1: Ext4-FS and systemd-journald errors after suspend + resume

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Date:   Mon, 8 Jun 2020 17:46:28 +0200
From:   Sedat Dilek <sedat.dilek@...il.com>
To:     "Theodore Ts'o" <tytso@....edu>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Jens Axboe <axboe@...nel.dk>
Cc:     linux-ext4@...r.kernel.org, linux-block@...r.kernel.org
Subject: Re: Linux v5.7.1: Ext4-FS and systemd-journald errors after suspend + resume

On Mon, Jun 8, 2020 at 3:26 PM Sedat Dilek <sedat.dilek@...il.com> wrote:
>
> Hi,
>
> for a long time I did not try suspend + resume.
>
> So, with Linux v5.7.1 I tried it.
>
> As I upgraded my systemd to version 245.6-1 I suspected this change,
> see my report to Debian/systemd team.
>
> Second, as I saw read-only filesystem problems in the logs I changed
> in /etc/fstab:
>
> -UUID=<UUID-of-rootfs> /   ext4 errors=remount-ro 0 1
> +UUID=<UUID-of-rootfs> / ext4 defaults 0 1
>
> That did not help.
>
> I have one single / root-fs partition.
>
> What I still see after suspend (45 secs) and resume:
>
> Ext4: ... unable to read itable block ...
> Ext4: ... dx_probe:768 ... error read-only directory block ...
> Ext4: ... ext4_get_inode_loc ...
> systemd-journald: Failed to write entry - Read-only file system <---
> Also kded5 etc.
>
> The system is in an awful and unusable situation.
> Typing any command in konsole shows command not known/found.
> I have not found a way to debug this.
>
> What informations do you need?
> Any hints on how to debug this?
>
> Thanks.
>
> Regards,
> - Sedat -
>
> [1] https://alioth-lists.debian.net/pipermail/pkg-systemd-maintainers/2020-June/041057.html

I checked the health of /dev/sdc with:

root# badblocks -sv /dev/sdc2

No errors.

- Sedat -