[ 303.652135] Mirror/redirect action on [ 313.842478] irq 4: nobody cared (try booting with the "irqpoll" option) [ 313.842583] CPU: 3 PID: 7529 Comm: perl Not tainted 6.8.0-virtme #1 [ 313.842626] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 313.842690] Call Trace: [ 313.842709] [ 313.842729] dump_stack_lvl+0x55/0x70 [ 313.842761] __report_bad_irq+0x2b/0xc0 [ 313.842788] note_interrupt+0x2a7/0x2f0 [ 313.842813] handle_irq_event+0x72/0x80 [ 313.842839] handle_edge_irq+0x8b/0x230 [ 313.842875] __common_interrupt+0x3e/0xb0 [ 313.842911] common_interrupt+0x81/0xa0 [ 313.842941] [ 313.842956] [ 313.842974] asm_common_interrupt+0x26/0x40 [ 313.843002] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 313.843036] 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 4c 81 2e 54 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 313.843129] RSP: 0018:ffff9b2147dd3d38 EFLAGS: 00000286 [ 313.843164] RAX: 0000000000000000 RBX: ffffffffad0cb240 RCX: 0000000000000017 [ 313.843209] RDX: ffffffffab945f2e RSI: 0000000000000282 RDI: ffffffffad0cb240 [ 313.843263] RBP: 0000000000000001 R08: 000000492be288fd R09: 0000000000000001 [ 313.843306] R10: ffff89af0124e5f8 R11: 0000000000000000 R12: 0000000000000001 [ 313.843349] R13: 0000000000000000 R14: ffff89af0124dc01 R15: ffff89af01e54000 [ 313.843397] ? rpm_suspend+0x1ae/0x5e0 [ 313.843441] uart_write+0x103/0x1d0 [ 313.843471] n_tty_write+0x1a4/0x520 [ 313.843501] ? __pfx_woken_wake_function+0x10/0x10 [ 313.843535] file_tty_write.constprop.0+0x15b/0x340 [ 313.843566] vfs_write+0x336/0x460 [ 313.843594] ksys_write+0x63/0xe0 [ 313.843621] do_syscall_64+0xad/0x1b0 [ 313.843645] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 313.843678] RIP: 0033:0x7fd5c9cd4957 [ 313.843705] 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 [ 313.843797] RSP: 002b:00007fffe5363358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 313.843839] RAX: ffffffffffffffda RBX: 0000557bc039edb0 RCX: 00007fd5c9cd4957 [ 313.843883] RDX: 0000000000000001 RSI: 0000557bc039edb0 RDI: 0000000000000001 [ 313.843927] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 313.843970] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557bc038b530 [ 313.844013] R13: 0000557bc036c2a0 R14: 0000000000000001 R15: 0000557bc038b530 [ 313.844057] [ 313.844074] handlers: [ 313.844086] [<00000000eb905401>] serial8250_interrupt [ 313.844121] Disabling IRQ #4 WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr