[ 838.121889][ T3322] Mirror/redirect action on [ 851.092744][ T3473] tc (3473) used greatest stack depth: 23272 bytes left [ 858.454243][ C3] irq 4: nobody cared (try booting with the "irqpoll" option) [ 858.454636][ C3] CPU: 3 PID: 3177 Comm: perl Not tainted 6.8.0-rc7-virtme #1 [ 858.454901][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 858.455282][ C3] Call Trace: [ 858.455421][ C3] [ 858.455515][ C3] dump_stack_lvl+0x64/0xb0 [ 858.455711][ C3] __report_bad_irq+0x5f/0x180 [ 858.455895][ C3] note_interrupt+0x6b3/0x860 [ 858.456073][ C3] handle_irq_event+0x16d/0x1c0 [ 858.456255][ C3] handle_edge_irq+0x1fa/0xb60 [ 858.456433][ C3] __common_interrupt+0x7c/0x180 [ 858.457013][ C3] common_interrupt+0x7e/0x90 [ 858.457196][ C3] [ 858.457287][ C3] [ 858.457377][ C3] asm_common_interrupt+0x26/0x40 [ 858.457558][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 858.457799][ C3] Code: 10 e8 e1 04 a3 fd 48 89 ef e8 09 71 a3 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 15 73 38 78 <74> 0e 5b 5d c3 cc cc cc cc e8 af 2d c5 fd eb dc 0f 1f 44 00 00 5b [ 858.458420][ C3] RSP: 0018:ffffc90002a0fa88 EFLAGS: 00000286 [ 858.458641][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff15d9ed1 [ 858.458905][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff87cb3fc1 [ 858.459184][ C3] RBP: ffffffff8b7adca0 R08: 0000000000000001 R09: fffffbfff15d5078 [ 858.459464][ C3] R10: ffffffff8aea83c7 R11: 0000000000000000 R12: 00000000000009d0 [ 858.459739][ C3] R13: ffffffff8b7adda8 R14: ffffffff8b7adca0 R15: ffff888002630000 [ 858.460036][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 858.460280][ C3] uart_write+0x220/0x440 [ 858.460434][ C3] process_output_block+0x13e/0x790 [ 858.460620][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1b1/0x370 [ 858.460853][ C3] n_tty_write+0x414/0x7a0 [ 858.461045][ C3] ? __pfx_n_tty_write+0x10/0x10 [ 858.461231][ C3] ? __pfx_woken_wake_function+0x10/0x10 [ 858.461424][ C3] ? lock_acquire+0x1c1/0x220 [ 858.461610][ C3] ? iterate_tty_write+0x95/0x540 [ 858.461815][ C3] iterate_tty_write+0x229/0x540 [ 858.462028][ C3] ? tty_ldisc_ref_wait+0x28/0x80 [ 858.462222][ C3] file_tty_write.constprop.0+0x1db/0x370 [ 858.462412][ C3] vfs_write+0x9e9/0x10a0 [ 858.462554][ C3] ? lock_acquire+0x1c1/0x220 [ 858.462743][ C3] ? __pfx_vfs_write+0x10/0x10 [ 858.462934][ C3] ? __might_fault+0xc6/0x180 [ 858.463139][ C3] ? __fget_light+0x54/0x1e0 [ 858.463337][ C3] ksys_write+0xf5/0x1e0 [ 858.463485][ C3] ? __pfx_ksys_write+0x10/0x10 [ 858.463676][ C3] do_syscall_64+0xc9/0x1e0 [ 858.463862][ C3] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 858.464089][ C3] RIP: 0033:0x7fa6be4f1957 [ 858.464280][ 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 [ 858.464871][ C3] RSP: 002b:00007ffe58e22d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 858.465130][ C3] RAX: ffffffffffffffda RBX: 0000558d2418a1b0 RCX: 00007fa6be4f1957 [ 858.465390][ C3] RDX: 0000000000000001 RSI: 0000558d2418a1b0 RDI: 0000000000000001 [ 858.465656][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 858.465919][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000558d24176590 [ 858.466170][ C3] R13: 0000558d241572a0 R14: 0000000000000001 R15: 0000558d24176590 [ 858.466439][ C3] [ 858.466566][ C3] handlers: [ 858.466704][ C3] [] serial8250_interrupt [ 858.467085][ C3] Disabling IRQ #4 WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr