[ 328.498337] Mirror/redirect action on [ 338.580648] irq 4: nobody cared (try booting with the "irqpoll" option) [ 338.580783] CPU: 3 PID: 8228 Comm: perl Not tainted 6.9.0-rc6-virtme #1 [ 338.580841] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 338.580922] Call Trace: [ 338.580943] [ 338.580966] dump_stack_lvl+0x55/0x70 [ 338.581006] __report_bad_irq+0x2b/0xc0 [ 338.581043] note_interrupt+0x2a7/0x2f0 [ 338.581075] handle_irq_event+0x72/0x80 [ 338.581110] handle_edge_irq+0x8b/0x230 [ 338.581144] __common_interrupt+0x3e/0xb0 [ 338.581176] common_interrupt+0x81/0xa0 [ 338.581211] [ 338.581233] [ 338.581252] asm_common_interrupt+0x26/0x40 [ 338.581289] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 338.581330] 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 8c c5 0d 5a <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 338.581462] RSP: 0018:ffffa70f08f4bd38 EFLAGS: 00000286 [ 338.581505] RAX: 0000000000000000 RBX: ffffffffa72ce240 RCX: 0000000000000017 [ 338.581564] RDX: ffffffffa5b4c09e RSI: 0000000000000282 RDI: ffffffffa72ce240 [ 338.581618] RBP: 0000000000000001 R08: 0000004ee60be227 R09: 0000000000000001 [ 338.581671] R10: ffff8ea0c27d81f8 R11: 0000000000000000 R12: 0000000000000001 [ 338.581728] R13: 0000000000000000 R14: ffff8ea0c27d9801 R15: ffff8ea0c2060000 [ 338.581784] ? rpm_suspend+0x1ae/0x5e0 [ 338.581818] uart_write+0x103/0x1d0 [ 338.581851] n_tty_write+0x1a4/0x520 [ 338.581885] ? __pfx_woken_wake_function+0x10/0x10 [ 338.581926] file_tty_write.constprop.0+0x15b/0x340 [ 338.581968] vfs_write+0x336/0x460 [ 338.582000] ksys_write+0x63/0xe0 [ 338.582032] do_syscall_64+0xa8/0x1b0 [ 338.582067] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 338.582110] RIP: 0033:0x7f5fa9d6a957 [ 338.582142] 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 [ 338.582264] RSP: 002b:00007ffe1a1cd118 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 338.582329] RAX: ffffffffffffffda RBX: 000055f9e5d49110 RCX: 00007f5fa9d6a957 [ 338.582384] RDX: 0000000000000001 RSI: 000055f9e5d49110 RDI: 0000000000000001 [ 338.582440] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 338.582495] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f9e5d35560 [ 338.582556] R13: 000055f9e5d162a0 R14: 0000000000000001 R15: 000055f9e5d35560 [ 338.582614] [ 338.582631] handlers: [ 338.582650] [<000000004fecc292>] serial8250_interrupt [ 338.582691] Disabling IRQ #4 WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr