[ 313.336405] tc (3825) used greatest stack depth: 11928 bytes left [ 317.696541] irq 4: nobody cared (try booting with the "irqpoll" option) [ 317.696665] CPU: 3 PID: 2087 Comm: perl Not tainted 6.9.0-rc3-virtme #1 [ 317.696718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 317.696814] Call Trace: [ 317.696839] [ 317.696862] dump_stack_lvl+0x55/0x70 [ 317.696904] __report_bad_irq+0x2b/0xc0 [ 317.696940] note_interrupt+0x2a7/0x2f0 [ 317.696972] handle_irq_event+0x72/0x80 [ 317.697007] handle_edge_irq+0x8b/0x230 [ 317.697041] __common_interrupt+0x3e/0xb0 [ 317.697073] common_interrupt+0x81/0xa0 [ 317.697108] [ 317.697130] [ 317.697147] asm_common_interrupt+0x26/0x40 [ 317.697184] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 317.697233] 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 dc 14 2e 4d <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 317.697361] RSP: 0018:ffffa364c04afd38 EFLAGS: 00000286 [ 317.697404] RAX: 0000000000000000 RBX: ffffffffb40ce240 RCX: 0000000000000017 [ 317.697463] RDX: ffffffffb2949e6e RSI: 0000000000000282 RDI: ffffffffb40ce240 [ 317.697520] RBP: 0000000000000001 R08: 0000004a0b4528df R09: 0000000000000001 [ 317.697581] R10: ffff8a50425c49f8 R11: 0000000000000000 R12: 0000000000000001 [ 317.697635] R13: 0000000000000000 R14: ffff8a50425c4c01 R15: ffff8a5041e8c000 [ 317.697695] ? rpm_suspend+0x1ae/0x5e0 [ 317.697739] uart_write+0x103/0x1d0 [ 317.697776] n_tty_write+0x1a4/0x520 [ 317.697817] ? __pfx_woken_wake_function+0x10/0x10 [ 317.697864] file_tty_write.constprop.0+0x15b/0x340 [ 317.697905] vfs_write+0x336/0x460 [ 317.697944] ksys_write+0x63/0xe0 [ 317.697979] do_syscall_64+0xa8/0x1b0 [ 317.698017] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 317.698068] RIP: 0033:0x7fe398326957 [ 317.698104] 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 [ 317.698252] RSP: 002b:00007ffd15d96fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 317.698310] RAX: ffffffffffffffda RBX: 000056051fd89e70 RCX: 00007fe398326957 [ 317.698372] RDX: 0000000000000001 RSI: 000056051fd89e70 RDI: 0000000000000001 [ 317.698432] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 317.698491] R10: 0000000000000001 R11: 0000000000000246 R12: 000056051fd76530 [ 317.698557] R13: 000056051fd572a0 R14: 0000000000000001 R15: 000056051fd76530 [ 317.698624] [ 317.698648] handlers: [ 317.698667] [<0000000095d26fea>] serial8250_interrupt [ 317.698719] Disabling IRQ #4 WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr