[ 31.316733][ T240] modprobe (240) used greatest stack depth: 24624 bytes left [ 46.086735][ T335] GACT probability NOT on [ 50.660078][ T398] Mirror/redirect action on [ 57.251377][ T477] tc (477) used greatest stack depth: 24544 bytes left [ 97.276050][ C3] irq 4: nobody cared (try booting with the "irqpoll" option) [ 97.276503][ C3] CPU: 3 PID: 226 Comm: perl Not tainted 6.9.0-rc4-virtme #1 [ 97.276806][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 97.277227][ C3] Call Trace: [ 97.277376][ C3] <IRQ> [ 97.277483][ C3] dump_stack_lvl+0x82/0xd0 [ 97.277680][ C3] __report_bad_irq+0x5f/0x180 [ 97.277893][ C3] note_interrupt+0x6b3/0x860 [ 97.278093][ C3] handle_irq_event+0x16d/0x1c0 [ 97.278273][ C3] handle_edge_irq+0x1fa/0xb60 [ 97.278455][ C3] __common_interrupt+0x7c/0x180 [ 97.278654][ C3] common_interrupt+0x7e/0x90 [ 97.278841][ C3] </IRQ> [ 97.278939][ C3] <TASK> [ 97.279044][ C3] asm_common_interrupt+0x26/0x40 [ 97.279232][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 97.279473][ C3] Code: 10 e8 f1 a6 9a fd 48 89 ef e8 29 17 9b fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d 65 ed 0e 78 <74> 0e 5b 5d c3 cc cc cc cc e8 df 11 be fd eb dc 0f 1f 44 00 00 5b [ 97.280138][ C3] RSP: 0018:ffffc90000adfa80 EFLAGS: 00000286 [ 97.280388][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1629109 [ 97.280676][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff87f4dab1 [ 97.280957][ C3] RBP: ffffffff8ba291e0 R08: 0000000000000001 R09: fffffbfff16242b0 [ 97.281240][ C3] R10: ffffffff8b121587 R11: 0000000000000000 R12: 0000000000000056 [ 97.281514][ C3] R13: ffffffff8ba292e8 R14: ffffffff8ba291e0 R15: ffff888004850000 [ 97.281804][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 97.282042][ C3] uart_write+0x224/0x450 [ 97.282182][ C3] process_output_block+0x13e/0x790 [ 97.282377][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 97.282611][ C3] n_tty_write+0x412/0x7a0 [ 97.282794][ C3] ? __pfx_n_tty_write+0x10/0x10 [ 97.282965][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 97.283148][ C3] ? __pfx_woken_wake_function+0x10/0x10 [ 97.283331][ C3] ? iterate_tty_write+0x95/0x540 [ 97.283503][ C3] ? lock_acquire+0x32/0xc0 [ 97.283685][ C3] ? iterate_tty_write+0x95/0x540 [ 97.283865][ C3] iterate_tty_write+0x228/0x540 [ 97.284041][ C3] ? tty_ldisc_ref_wait+0x28/0x80 [ 97.284217][ C3] file_tty_write.constprop.0+0x1db/0x370 [ 97.284393][ C3] vfs_write+0x9e5/0x10a0 [ 97.284530][ C3] ? __pfx___lock_release+0x10/0x10 [ 97.284697][ C3] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 97.284871][ C3] ? __pfx_vfs_write+0x10/0x10 [ 97.285048][ C3] ? clockevents_program_event+0xf6/0x300 [ 97.285250][ C3] ? ktime_get+0xb3/0x190 [ 97.285390][ C3] ? __fget_light+0x53/0x1e0 [ 97.285574][ C3] ksys_write+0xf5/0x1e0 [ 97.285704][ C3] ? __pfx_ksys_write+0x10/0x10 [ 97.285883][ C3] do_syscall_64+0xc3/0x1d0 [ 97.286052][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 97.286260][ C3] RIP: 0033:0x7f8d5d17c957 [ 97.286436][ C3] 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 [ 97.287025][ C3] RSP: 002b:00007ffdf86f1d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 97.287296][ C3] RAX: ffffffffffffffda RBX: 0000558675f791d0 RCX: 00007f8d5d17c957 [ 97.287559][ C3] RDX: 0000000000000001 RSI: 0000558675f791d0 RDI: 0000000000000001 [ 97.287818][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 97.288072][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000558675f655c0 [ 97.288334][ C3] R13: 0000558675f462a0 R14: 0000000000000001 R15: 0000558675f655c0 [ 97.288615][ C3] </TASK> [ 97.288751][ C3] handlers: [ 97.288889][ C3] [<ffffffff868dd280>] serial8250_interrupt [ 97.289258][ C3] Disabling IRQ #4 WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr