[ 1449.628369][T11919] tc (11919) used greatest stack depth: 23624 bytes left [ 1464.308828][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 1464.309446][ C0] CPU: 0 UID: 0 PID: 11651 Comm: perl Not tainted 6.15.0-rc7-virtme #1 PREEMPT(full) [ 1464.309452][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1464.309455][ C0] Call Trace: [ 1464.309457][ C0] [ 1464.309459][ C0] dump_stack_lvl+0x82/0xd0 [ 1464.309473][ C0] __report_bad_irq+0x5f/0x180 [ 1464.309483][ C0] note_interrupt+0x665/0x7e0 [ 1464.309492][ C0] handle_irq_event+0x16d/0x1c0 [ 1464.309498][ C0] handle_edge_irq+0x211/0xb70 [ 1464.309507][ C0] __common_interrupt+0xad/0x1d0 [ 1464.309515][ C0] common_interrupt+0xb9/0xe0 [ 1464.309522][ C0] [ 1464.309523][ C0] [ 1464.309527][ C0] asm_common_interrupt+0x26/0x40 [ 1464.309532][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x41/0x80 [ 1464.309538][ C0] Code: 74 24 10 e8 21 84 7f fd 48 89 ef e8 99 d6 7f fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 ba de 73 fd 65 8b 05 63 e8 95 02 85 c0 74 0e 5b 5d e9 c8 34 00 [ 1464.309541][ C0] RSP: 0018:ffffc90001427aa0 EFLAGS: 00000206 [ 1464.309545][ C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040 [ 1464.309547][ C0] RDX: 0000000000000000 RSI: ffffffffa689aa3d RDI: 0000000000000001 [ 1464.309548][ C0] RBP: ffffffffa9797d80 R08: 0000000000000001 R09: 0000000000000001 [ 1464.309550][ C0] R10: ffffffffa77f2497 R11: ffff888005ba0970 R12: 00000000ffffffff [ 1464.309553][ C0] R13: 0000000000000001 R14: ffffffffa9797e88 R15: 00000000ffffffff [ 1464.309569][ C0] uart_write+0x220/0x920 [ 1464.309581][ C0] process_output_block+0x148/0x7b0 [ 1464.309589][ C0] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 1464.309596][ C0] n_tty_write+0x419/0x7b0 [ 1464.309607][ C0] ? __pfx_n_tty_write+0x10/0x10 [ 1464.309613][ C0] ? __pfx_woken_wake_function+0x10/0x10 [ 1464.309619][ C0] ? lock_acquire+0x10c/0x170 [ 1464.309623][ C0] ? iterate_tty_write+0x8f/0x530 [ 1464.309633][ C0] iterate_tty_write+0x21e/0x530 [ 1464.309639][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 1464.309648][ C0] file_tty_write.constprop.0+0x1cf/0x360 [ 1464.309655][ C0] vfs_write+0xab5/0x1210 [ 1464.309663][ C0] ? find_held_lock+0x2b/0x80 [ 1464.309667][ C0] ? __pfx_vfs_write+0x10/0x10 [ 1464.309675][ C0] ? clockevents_program_event+0xf6/0x300 [ 1464.309688][ C0] ? clockevents_program_event+0x1ea/0x300 [ 1464.309696][ C0] ksys_write+0xf7/0x1d0 [ 1464.309701][ C0] ? __pfx_ksys_write+0x10/0x10 [ 1464.309714][ C0] do_syscall_64+0xc1/0x1d0 [ 1464.309720][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1464.309723][ C0] RIP: 0033:0x7fa2f5c9db77 [ 1464.309728][ C0] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 1464.309730][ C0] RSP: 002b:00007ffdd240b198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1464.309733][ C0] RAX: ffffffffffffffda RBX: 0000556d77b823f0 RCX: 00007fa2f5c9db77 [ 1464.309735][ C0] RDX: 0000000000000001 RSI: 0000556d77b823f0 RDI: 0000000000000001 [ 1464.309737][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1464.309738][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000556d77b6d5e0 [ 1464.309740][ C0] R13: 0000556d77b4e2a0 R14: 0000000000000001 R15: 0000556d77b6d5e0 [ 1464.309755][ C0] [ 1464.309756][ C0] handlers: [ 1464.326590][ C0] [] serial8250_interrupt [ 1464.327363][ C0] Disabling IRQ #51