Thank you for your answers. Yeah, it's a ZyXEL NAS540 with image and kernel from https://seafile.servator.de/nas/zyxel/ After a while i have seen logs in syslog and dmesg again even after booting. DMESG: Quote43.850000] systemd-journald[194]: Received client request to flush runtime journal. [ 43.890000] systemd-journald[194]: File /var/log/journal/f4729803341a3dce9dc0c7fc65by askax - uBoot
Hello everyone, I have installed the kernel 5.15.133 and 6.1.55 linux-image-5.15.133-20231006-nas5xx-armhf.zip linux-image-6.1.55-20231006-nas5xx-armhf.zip all working fine but the kernel error log raising Quoteis NAND, please consider using UBI block devices instead. Nov 7 12:27:14 debian-nas kernel: [ 724.990000] mtdblock: MTD device 'rootfs2' is NAND, please consideby askax - uBoot