root@debian:/etc# [ 3201.549206][    C0] irq 23: nobody cared (try booting with the "irqpoll" option)
[ 3201.556655][    C0] CPU: 0 PID: 1787 Comm: init Tainted: G        W         5.2.9-kirkwood-tld-1 #1
[ 3201.565743][    C0] Hardware name: Marvell Kirkwood (Flattened Device Tree)
[ 3201.572763][    C0] [<c010f6ac>] (unwind_backtrace) from [<c010bb00>] (show_stack+0x10/0x14)
[ 3201.581256][    C0] [<c010bb00>] (show_stack) from [<c016436c>] (__report_bad_irq+0x24/0xf0)
[ 3201.589745][    C0] [<c016436c>] (__report_bad_irq) from [<c016463c>] (note_interrupt+0x194/0x28c)
[ 3201.598756][    C0] [<c016463c>] (note_interrupt) from [<c016174c>] (handle_irq_event_percpu+0x50/0x78)
[ 3201.608202][    C0] [<c016174c>] (handle_irq_event_percpu) from [<c01617d4>] (handle_irq_event+0x60/0x84)
[ 3201.617824][    C0] [<c01617d4>] (handle_irq_event) from [<c01658cc>] (handle_level_irq+0x118/0x154)
[ 3201.627009][    C0] [<c01658cc>] (handle_level_irq) from [<c01607bc>] (generic_handle_irq+0x18/0x28)
[ 3201.636193][    C0] [<c01607bc>] (generic_handle_irq) from [<c0160e98>] (__handle_domain_irq+0xac/0xcc)
[ 3201.645639][    C0] [<c0160e98>] (__handle_domain_irq) from [<c063a530>] (orion_handle_irq+0x78/0x84)
[ 3201.654912][    C0] [<c063a530>] (orion_handle_irq) from [<c0102188>] (__irq_svc+0x68/0x9c)
[ 3201.663303][    C0] Exception stack(0xc2915ec8 to 0xc2915f10)
[ 3201.669083][    C0] 5ec0:                   00000000 b6f630c4 00000000 00000003 00000000 b6f630c4
[ 3201.678003][    C0] 5ee0: 00000000 00000000 00000054 00000017 c6da8560 c6da8598 c28664c0 c2915f18
[ 3201.686920][    C0] 5f00: b6e45000 c0234ab4 60000013 ffffffff
[ 3201.692708][    C0] [<c0102188>] (__irq_svc) from [<c0234ab4>] (vmacache_find+0x30/0xb4)
[ 3201.700849][    C0] [<c0234ab4>] (vmacache_find) from [<c023e77c>] (find_vma+0x10/0x6c)
[ 3201.708900][    C0] [<c023e77c>] (find_vma) from [<c01101f8>] (do_page_fault+0xd4/0x338)
[ 3201.717041][    C0] [<c01101f8>] (do_page_fault) from [<c01105c4>] (do_DataAbort+0x38/0xa4)
[ 3201.725439][    C0] [<c01105c4>] (do_DataAbort) from [<c01024e4>] (__dabt_usr+0x44/0x60)
[ 3201.733568][    C0] Exception stack(0xc2915fb0 to 0xc2915ff8)
[ 3201.739346][    C0] 5fa0:                                     00000000 b6f630c0 b6f630a0 00000002
[ 3201.748265][    C0] 5fc0: b6f62f70 b6d0e85c b6f62320 00000002 bed9b750 00000001 bed9b754 00483c8a
[ 3201.757183][    C0] 5fe0: 00000119 bed9b6e0 b6f42b38 b6f42b70 a0000010 ffffffff
[ 3201.764527][    C0] handlers:
[ 3201.767517][    C0] [<2a46a9c4>] serial8250_interrupt
[ 3201.772596][    C0] Disabling IRQ #23

Debian GNU/Linux 10 debian ttyS0

debian login: