root@bu-lab24v-oob:~# ls /sys/fs/pstore
root@bu-lab24v-oob:~# ls /var/lib/systemd/pstore
169289837
root@bu-lab24v-oob:~# systemctl status systemd-pstore.service
● systemd-pstore.service - Platform Persistent Storage Archival
Loaded: loaded (/lib/systemd/system/systemd-pstore.service; enabled; vendor preset: enabled)
Active: active (exited) since Thu 2023-08-24 17:34:02 UTC; 6min ago
Docs: man:systemd-pstore(8)
Process: 560 ExecStart=/lib/systemd/systemd-pstore (code=exited, status=0/SUCCESS)
Main PID: 560 (code=exited, status=0/SUCCESS)
CPU: 21ms
Aug 24 17:34:01 localhost systemd-pstore[560]: PStore dmesg-efi-169289837309001 moved to /var/lib/systemd/pstore/169289837/dmesg-efi-1692898>
Aug 24 17:34:01 localhost systemd-pstore[560]: PStore dmesg-efi-169289837308001 moved to /var/lib/systemd/pstore/169289837/dmesg-efi-1692898>
Aug 24 17:34:01 localhost systemd-pstore[560]: PStore dmesg-efi-169289837307001 moved to /var/lib/systemd/pstore/169289837/dmesg-efi-1692898>
Aug 24 17:34:02 localhost systemd-pstore[560]: PStore dmesg-efi-169289837306001 moved to /var/lib/systemd/pstore/169289837/dmesg-efi-1692898>
Aug 24 17:34:02 localhost systemd-pstore[560]: PStore dmesg-efi-169289837305001 moved to /var/lib/systemd/pstore/169289837/dmesg-efi-1692898>
Aug 24 17:34:02 localhost systemd-pstore[560]: PStore dmesg-efi-169289837304001 moved to /var/lib/systemd/pstore/169289837/dmesg-efi-1692898>
Aug 24 17:34:02 localhost systemd-pstore[560]: PStore dmesg-efi-169289837303001 moved to /var/lib/systemd/pstore/169289837/dmesg-efi-1692898>
Aug 24 17:34:02 localhost systemd-pstore[560]: PStore dmesg-efi-169289837302001 moved to /var/lib/systemd/pstore/169289837/dmesg-efi-1692898>
Aug 24 17:34:02 localhost systemd-pstore[560]: PStore dmesg-efi-169289837301001 moved to /var/lib/systemd/pstore/169289837/dmesg-efi-1692898>
Aug 24 17:34:02 localhost systemd[1]: Finished Platform Persistent Storage Archival.
root@bu- lab24v- oob:~# cat /etc/mlnx-release 2.0_BlueField_ OS_4.2. 1_Ubuntu_ 22.04-1. sru-5.15. 0-1022 lab24v- oob:~# uname -a 1022-bluefield #24-Ubuntu SMP Mon Aug 21 09:02:52 UTC 2023 aarch64 aarch64 aarch64 GNU/Linux lab24v- oob:~# cat /sys/module/ pstore/ parameters/ backend
DOCA_v2.
root@bu-
Linux bu-lab24v-oob 5.15.0-
root@bu-
efi
root@bu- lab24v- oob:~# echo 1 > /proc/sys/ kernel/ sysrq lab24v- oob:~# echo 1 > /proc/sys/ kernel/ panic lab24v- oob:~# echo "c" > /proc/sysrq-trigger
root@bu-
root@bu-
*system rebooted*
root@bu- lab24v- oob:~# ls /sys/fs/pstore lab24v- oob:~# ls /var/lib/ systemd/ pstore lab24v- oob:~# systemctl status systemd- pstore. service pstore. service - Platform Persistent Storage Archival system/ systemd- pstore. service; enabled; vendor preset: enabled) pstore( 8) /lib/systemd/ systemd- pstore (code=exited, status=0/SUCCESS)
root@bu-
169289837
root@bu-
● systemd-
Loaded: loaded (/lib/systemd/
Active: active (exited) since Thu 2023-08-24 17:34:02 UTC; 6min ago
Docs: man:systemd-
Process: 560 ExecStart=
Main PID: 560 (code=exited, status=0/SUCCESS)
CPU: 21ms
Aug 24 17:34:01 localhost systemd- pstore[ 560]: PStore dmesg-efi- 169289837309001 moved to /var/lib/ systemd/ pstore/ 169289837/ dmesg-efi- 1692898> pstore[ 560]: PStore dmesg-efi- 169289837308001 moved to /var/lib/ systemd/ pstore/ 169289837/ dmesg-efi- 1692898> pstore[ 560]: PStore dmesg-efi- 169289837307001 moved to /var/lib/ systemd/ pstore/ 169289837/ dmesg-efi- 1692898> pstore[ 560]: PStore dmesg-efi- 169289837306001 moved to /var/lib/ systemd/ pstore/ 169289837/ dmesg-efi- 1692898> pstore[ 560]: PStore dmesg-efi- 169289837305001 moved to /var/lib/ systemd/ pstore/ 169289837/ dmesg-efi- 1692898> pstore[ 560]: PStore dmesg-efi- 169289837304001 moved to /var/lib/ systemd/ pstore/ 169289837/ dmesg-efi- 1692898> pstore[ 560]: PStore dmesg-efi- 169289837303001 moved to /var/lib/ systemd/ pstore/ 169289837/ dmesg-efi- 1692898> pstore[ 560]: PStore dmesg-efi- 169289837302001 moved to /var/lib/ systemd/ pstore/ 169289837/ dmesg-efi- 1692898> pstore[ 560]: PStore dmesg-efi- 169289837301001 moved to /var/lib/ systemd/ pstore/ 169289837/ dmesg-efi- 1692898>
Aug 24 17:34:01 localhost systemd-
Aug 24 17:34:01 localhost systemd-
Aug 24 17:34:02 localhost systemd-
Aug 24 17:34:02 localhost systemd-
Aug 24 17:34:02 localhost systemd-
Aug 24 17:34:02 localhost systemd-
Aug 24 17:34:02 localhost systemd-
Aug 24 17:34:02 localhost systemd-
Aug 24 17:34:02 localhost systemd[1]: Finished Platform Persistent Storage Archival.