I added netconsole into /boot/grub/grub.cfg and did more attempts to boot. Logs are attached in the archive.
zito@bobek:~$ fgrep -m 1 BUG radeon-kms-messages* radeon-kms-messages.txt:[ 64.148004] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kworker/1:2:51] radeon-kms-messages1.txt:[ 14.147686] BUG: unable to handle kernel NULL pointer dereference at 000000000000006c radeon-kms-messages2.txt:[ 15.379376] BUG: unable to handle kernel NULL pointer dereference at 000000000000006c radeon-kms-messages3.txt:[ 13.890714] BUG: unable to handle kernel NULL pointer dereference at 000000000000006c radeon-kms-messages4.txt:[ 14.579563] BUG: unable to handle kernel NULL pointer dereference at 000000000000006c radeon-kms-messages5.txt:[ 15.651245] BUG: unable to handle kernel NULL pointer dereference at 000000000000006c radeon-kms-messages6.txt:[ 48.148004] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [smartd:457] radeon-kms-messages7.txt:[ 15.472800] BUG: unable to handle kernel NULL pointer dereference at 000000000000006c radeon-kms-messages8.txt:[ 14.282438] BUG: unable to handle kernel NULL pointer dereference at 000000000000006c radeon-kms-messages9.txt:[ 14.860173] BUG: unable to handle kernel NULL pointer dereference at 000000000000006c There is NULL pointer dereference in most cases. -- Zito
radeon-kms-messages.tar.xz
Description: application/xz
