[ 1378.979979][ T5746] tc (5746) used greatest stack depth: 23880 bytes left [ 1384.765780][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 1384.766311][ C0] CPU: 0 UID: 0 PID: 5358 Comm: perl Not tainted 6.16.0-rc1-virtme #1 PREEMPT(full) [ 1384.766316][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1384.766319][ C0] Call Trace: [ 1384.766322][ C0] [ 1384.766324][ C0] dump_stack_lvl+0x82/0xd0 [ 1384.766337][ C0] __report_bad_irq+0x5f/0x1a0 [ 1384.766348][ C0] note_interrupt+0x665/0x7e0 [ 1384.766356][ C0] handle_irq_event+0x16d/0x1c0 [ 1384.766362][ C0] handle_edge_irq+0x23b/0x930 [ 1384.766373][ C0] __common_interrupt+0xad/0x1d0 [ 1384.766384][ C0] common_interrupt+0xb9/0xe0 [ 1384.766390][ C0] [ 1384.766391][ C0] [ 1384.766395][ C0] asm_common_interrupt+0x26/0x40 [ 1384.766400][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x41/0x80 [ 1384.766408][ C0] Code: 74 24 10 e8 81 08 7c fd 48 89 ef e8 39 5b 7c 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 fa 18 70 fd 65 8b 05 53 bb b3 02 85 c0 74 0e 5b 5d c3 cc cc cc [ 1384.766411][ C0] RSP: 0018:ffffc9000110faa0 EFLAGS: 00000206 [ 1384.766415][ C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040 [ 1384.766417][ C0] RDX: 0000000000000000 RSI: ffffffff9f8aef1c RDI: 0000000000000001 [ 1384.766419][ C0] RBP: ffffffffa27ba080 R08: 0000000000000001 R09: 0000000000000001 [ 1384.766421][ C0] R10: ffffffffa0800ed7 R11: ffff888005a88970 R12: 00000000ffffffff [ 1384.766423][ C0] R13: 0000000000000001 R14: ffffffffa27ba188 R15: 00000000ffffffff [ 1384.766440][ C0] uart_write+0x220/0x920 [ 1384.766452][ C0] process_output_block+0x145/0x7b0 [ 1384.766458][ C0] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 1384.766466][ C0] n_tty_write+0x419/0x7b0 [ 1384.766478][ C0] ? __pfx_n_tty_write+0x10/0x10 [ 1384.766484][ C0] ? __pfx_woken_wake_function+0x10/0x10 [ 1384.766491][ C0] ? lock_acquire+0x10c/0x170 [ 1384.766496][ C0] ? iterate_tty_write+0x91/0x540 [ 1384.766508][ C0] iterate_tty_write+0x223/0x540 [ 1384.766515][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 1384.766523][ C0] file_tty_write.constprop.0+0x1cf/0x360 [ 1384.766531][ C0] vfs_write+0xab5/0x1210 [ 1384.766541][ C0] ? do_raw_spin_unlock+0x58/0x220 [ 1384.766548][ C0] ? __pfx_vfs_write+0x10/0x10 [ 1384.766555][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 1384.766567][ C0] ? rcu_is_watching+0x12/0xc0 [ 1384.766577][ C0] ksys_write+0xf7/0x1d0 [ 1384.766581][ C0] ? __pfx_ksys_write+0x10/0x10 [ 1384.766592][ C0] do_syscall_64+0xc1/0x380 [ 1384.766598][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 1384.766601][ C0] RIP: 0033:0x7f131ef91b77 [ 1384.766606][ 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 [ 1384.766608][ C0] RSP: 002b:00007ffe0ee00c18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1384.766611][ C0] RAX: ffffffffffffffda RBX: 00005570a06ef3f0 RCX: 00007f131ef91b77 [ 1384.766613][ C0] RDX: 0000000000000001 RSI: 00005570a06ef3f0 RDI: 0000000000000001 [ 1384.766615][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1384.766616][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 00005570a06da5e0 [ 1384.766618][ C0] R13: 00005570a06bb2a0 R14: 0000000000000001 R15: 00005570a06da5e0 [ 1384.766632][ C0] [ 1384.766634][ C0] handlers: [ 1384.783706][ C0] [] serial8250_interrupt [ 1384.784205][ C0] Disabling IRQ #51