[ 485.972657] tc (5766) used greatest stack depth: 11992 bytes left [ 490.223815] irq 4: nobody cared (try booting with the "irqpoll" option) [ 490.223942] CPU: 3 UID: 0 PID: 4596 Comm: perl Not tainted 6.11.0-virtme #1 [ 490.224003] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 490.224103] Call Trace: [ 490.224135] [ 490.224160] dump_stack_lvl+0x55/0x70 [ 490.224213] __report_bad_irq+0x2b/0xc0 [ 490.224254] note_interrupt+0x2a7/0x2f0 [ 490.224285] handle_irq_event+0x72/0x80 [ 490.224329] handle_edge_irq+0x8b/0x230 [ 490.224357] __common_interrupt+0x3c/0xb0 [ 490.224400] common_interrupt+0x80/0x90 [ 490.224442] [ 490.224471] [ 490.224498] asm_common_interrupt+0x26/0x40 [ 490.224541] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 490.224600] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d 3c 87 29 49 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 490.224733] RSP: 0018:ffffa7f540e23d60 EFLAGS: 00000286 [ 490.224773] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017 [ 490.224834] RDX: ffffffffb698738d RSI: 0000000000000286 RDI: ffffffffb82f9360 [ 490.224896] RBP: ffff9cca02040000 R08: 0000007237d639ba R09: 0000000000000001 [ 490.224957] R10: ffff9cca020ab9f8 R11: 0000000000000000 R12: ffffffffb82f9360 [ 490.225025] R13: 0000000000000286 R14: ffff9cca020ab000 R15: ffff9cca020ab800 [ 490.225088] ? rpm_suspend+0x1ad/0x5e0 [ 490.225123] uart_write+0x89/0x150 [ 490.225159] n_tty_write+0x1a6/0x520 [ 490.225199] ? __pfx_woken_wake_function+0x10/0x10 [ 490.225245] file_tty_write.constprop.0+0x14d/0x330 [ 490.225283] vfs_write+0x332/0x460 [ 490.225320] ksys_write+0x63/0xe0 [ 490.225356] do_syscall_64+0x9e/0x1a0 [ 490.225391] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 490.225437] RIP: 0033:0x7f9333834957 [ 490.225477] 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 [ 490.225632] RSP: 002b:00007ffee2ff9ef8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 490.225702] RAX: ffffffffffffffda RBX: 000055e9ab5d11f0 RCX: 00007f9333834957 [ 490.225757] RDX: 0000000000000001 RSI: 000055e9ab5d11f0 RDI: 0000000000000001 [ 490.225806] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 490.225869] R10: 0000000000000001 R11: 0000000000000246 R12: 000055e9ab5bd580 [ 490.225938] R13: 000055e9ab59e2a0 R14: 0000000000000001 R15: 000055e9ab5bd580 [ 490.226002] [ 490.226027] handlers: [ 490.226047] [<000000000e3a4605>] serial8250_interrupt [ 490.226093] Disabling IRQ #4