[ 21.916323] systemd[1]: Finished Platform Persistent Storage Archival. [ 22.025203] tty0tty null modem driver v1.2 [ 22.061465] systemd[1]: Started Journal Service. [ 23.034117] systemd-journald[388]: Received client request to flush runtime journal. [ 348.165164] sysrq: Trigger a crash [ 348.168903] Kernel panic - not syncing: sysrq triggered crash [ 348.174807] CPU: 0 PID: 825 Comm: bash Not tainted 5.4.41-linux4sam-2020.04+ #31 [ 348.182511] Hardware name: Atmel SAMA5 [ 348.186449] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 348.194528] [] (show_stack) from [] (panic+0x104/0x31c) [ 348.201825] [] (panic) from [] (sysrq_handle_crash+0x10/0x14) [ 348.209453] [] (sysrq_handle_crash) from [] (__handle_sysrq+0x94/0x144) [ 348.218132] [] (__handle_sysrq) from [] (write_sysrq_trigger+0x54/0x64) [ 348.226811] [] (write_sysrq_trigger) from [] (proc_reg_write+0x58/0x6c) [ 348.235493] [] (proc_reg_write) from [] (__vfs_write+0x2c/0xe8) [ 348.243293] [] (__vfs_write) from [] (vfs_write+0x98/0xbc) [ 348.250838] [] (vfs_write) from [] (ksys_write+0x74/0xc4) [ 348.258120] [] (ksys_write) from [] (ret_fast_syscall+0x0/0x54) [ 348.266085] Exception stack(0xd9dd1fa8 to 0xd9dd1ff0) [ 348.271453] 1fa0: 00000002 005b7eb0 00000001 005b7eb0 00000002 00000000 [ 348.279770] 1fc0: 00000002 005b7eb0 b6f944e0 00000004 b6f2e2e4 b6f2de4c 00000000 00000000 [ 348.288263] 1fe0: 00000004 be922728 b6ec746f b6e4dbe6 [ 348.333852] Rebooting in 4 seconds.. No errors detected