Re: Failed to open system journal: Invalid argument

[Kay One <kayone007@xxxxxxxxx>]

Hi Lennart,

Thanks for the reply.
JFFS2 is the file system being used in my case. Also, if I would delete /var/log/journal directory then these errors are stopping.

Meaning while writing to persistence storage this error is persisting all the time. 

cat /proc/cmdline
console=ttyS0,115200 root=/dev/mtdblock2 rw rootfstype=jffs2

df -Tk
Filesystem           Type       1K-blocks      Used Available Use% Mounted on
/dev/root            jffs2          81792     61220     20572  75% /
devtmpfs             devtmpfs      506040         4    506036   0% /dev
tmpfs                tmpfs         514744         4    514740   0% /dev/shm
tmpfs                tmpfs         514744     13268    501476   3% /run
tmpfs                tmpfs         514744         0    514744   0% /sys/fs/cgroup
tmpfs                tmpfs         514744         0    514744   0% /tmp
/dev/mtdblock1       jffs2          20416      6784     13632  33% /home/root/apps
tmpfs                tmpfs         102948         0    102948   0% /run/user/0

Suspicious cause for this error:

------------------------------------------

mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED, 28, 0) = -1 EINVAL (Invalid argument)

STRACE Detailed DUMP:

===================
Please find the attachment (strace.log)

*************************************************
root@arria10:~# cat /var/log/messages | tail -f
May 21 11:03:31 arria10 syslog.warn kernel: [  981.997820] systemd-journald[748]: Failed to open system journal: Invalid argument
May 21 11:03:31 arria10 syslog.warn kernel: [  982.348838] systemd-journald[748]: Failed to open system journal: Invalid argument
May 21 11:04:21 arria10 syslog.warn kernel: [ 1031.993905] systemd-journald[748]: Failed to open system journal: Invalid argument
May 21 11:04:21 arria10 syslog.warn kernel: [ 1032.001617] systemd-journald[748]: Failed to open system journal: Invalid argument
May 21 11:04:21 arria10 syslog.warn kernel: [ 1032.011077] systemd-journald[748]: Failed to open system journal: Invalid argument
May 21 11:04:21 arria10 syslog.warn kernel: [ 1032.019424] systemd-journald[748]: Failed to open system journal: Invalid argument
May 21 11:04:31 arria10 syslog.warn kernel: [ 1041.993815] systemd-journald[748]: Failed to open system journal: Invalid argument
May 21 11:04:31 arria10 syslog.warn kernel: [ 1042.001527] systemd-journald[748]: Failed to open system journal: Invalid argument
May 21 11:04:31 arria10 syslog.warn kernel: [ 1042.010622] systemd-journald[748]: Failed to open system journal: Invalid argument
May 21 11:04:31 arria10 syslog.warn kernel: [ 1042.018886] systemd-journald[748]: Failed to open system journal: Invalid argument

Regards,
Karnik Jain

On Mon, May 20, 2019 at 3:10 PM Lennart Poettering <lennart@xxxxxxxxxxxxxx> wrote:

On Sa, 18.05.19 09:59, Kay One (kayone007@xxxxxxxxx) wrote:

> *[ 2002.668599] systemd-journald[743]: Journal effective settings seal=yes
> compress=yes compress_threshold_bytes=512B*
> *[ 2002.679080] systemd-journald[743]: Failed to open system journal:
> Invalid argument*

Hmm, this is interesting. I wonder how that happens. Does stracing the
journald show anything interesting? i.e. some syscall throwing EINVAL?

What's the file system used?

Lennart

--
Lennart Poettering, Berlin

Attachment: strace.log
Description: Binary data

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