Hi Sad, If you are booting RPi from USB, the reason of failure is probably https://salsa.debian.org/raspi-team/image-specs/-/issues/41
In such a case, upgrading initramfs-tools to 0.140 should fix the symptom. Best regards, Ryutaroh From: Sad Clouds <cryintotheblue...@gmail.com> Subject: Stability of kernel updates on Debian 10 Date: Sat, 24 Apr 2021 08:53:37 +0100 > Hi, this is the first time I'm trying Debian on ARM and got an issue > after installing updates. > > I installed Debian 10 on RPi 4 (4GB), hoping updates would be stable > enough - https://raspi.debian.net/verified/20210210_raspi_4_buster.img.xz > > Ran "apt-get update; apt-get dist-upgrade" and now the kernel hangs > half-way through booting. Is this a known issue and also, do updates > get tested at all for RPi before they are released? > > The following packages got updated: > > root@rpi4-20210210:/etc/apt# apt-get dist-upgrade > Reading package lists... Done > Building dependency tree > Reading state information... Done > Calculating upgrade... Done > The following NEW packages will be installed: > linux-image-5.10.0-0.bpo.5-arm64 > The following packages will be upgraded: > base-files debian-archive-keyring firmware-brcm80211 iputils-ping libbsd0 > libdns-export1104 libisc-export1100 libpam-systemd > libpython3.7-minimal libpython3.7-stdlib libssl1.1 libsystemd0 libudev1 > libzstd1 linux-image-arm64 python3.7 python3.7-minimal > raspi-firmware systemd systemd-sysv udev wpasupplicant > 22 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. > Need to get 68.5 MB of archives. > After this operation, 259 MB of additional disk space will be used. > Do you want to continue? [Y/n] y >