[ 327.329433] Mirror/redirect action on [ 329.905903] tc (9124) used greatest stack depth: 11992 bytes left [ 338.574735] irq 4: nobody cared (try booting with the "irqpoll" option) [ 338.574874] CPU: 3 PID: 8226 Comm: perl Not tainted 6.9.0-virtme #1 [ 338.574950] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 338.575035] Call Trace: [ 338.575095] [ 338.575133] dump_stack_lvl+0x55/0x70 [ 338.575181] __report_bad_irq+0x2b/0xc0 [ 338.575223] note_interrupt+0x2a7/0x2f0 [ 338.575262] handle_irq_event+0x72/0x80 [ 338.575293] handle_edge_irq+0x8b/0x230 [ 338.575323] __common_interrupt+0x3c/0xb0 [ 338.575360] common_interrupt+0x80/0x90 [ 338.575397] [ 338.575421] [ 338.575443] asm_common_interrupt+0x26/0x40 [ 338.575481] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 338.575529] 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 a5 ab 4c <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 338.575641] RSP: 0018:ffffb78e08f9bd60 EFLAGS: 00000286 [ 338.575684] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017 [ 338.575744] RDX: ffffffffb316f33d RSI: 0000000000000282 RDI: ffffffffb4ae0540 [ 338.575797] RBP: ffff8f3c01ca8000 R08: 0000004ee72798fe R09: 0000000000000001 [ 338.575854] R10: ffff8f3c024cd5f8 R11: 0000000000000000 R12: ffffffffb4ae0540 [ 338.575912] R13: 0000000000000282 R14: ffff8f3c024cc800 R15: ffff8f3c024cd400 [ 338.575968] ? rpm_suspend+0x1ad/0x5e0 [ 338.576006] uart_write+0x89/0x160 [ 338.576039] n_tty_write+0x1a6/0x520 [ 338.576071] ? __pfx_woken_wake_function+0x10/0x10 [ 338.576119] file_tty_write.constprop.0+0x14d/0x330 [ 338.576156] vfs_write+0x32f/0x460 [ 338.576189] ksys_write+0x63/0xe0 [ 338.576218] do_syscall_64+0x9e/0x1a0 [ 338.576251] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 338.576290] RIP: 0033:0x7f7c25505957 [ 338.576321] 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 [ 338.576437] RSP: 002b:00007ffebc9cc488 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 338.576491] RAX: ffffffffffffffda RBX: 000055f59dbae110 RCX: 00007f7c25505957 [ 338.576543] RDX: 0000000000000001 RSI: 000055f59dbae110 RDI: 0000000000000001 [ 338.576596] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 338.576653] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f59db9a560 [ 338.576705] R13: 000055f59db7b2a0 R14: 0000000000000001 R15: 000055f59db9a560 [ 338.576758] [ 338.576778] handlers: [ 338.576797] [<0000000053149320>] serial8250_interrupt [ 338.576844] Disabling IRQ #4