[ 291.766663] tc (3823) used greatest stack depth: 11928 bytes left [ 299.389581] irq 4: nobody cared (try booting with the "irqpoll" option) [ 299.389699] CPU: 3 PID: 2593 Comm: perl Not tainted 6.8.0-virtme #1 [ 299.389743] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 299.389808] Call Trace: [ 299.389831] [ 299.389850] dump_stack_lvl+0x55/0x70 [ 299.389882] __report_bad_irq+0x2b/0xc0 [ 299.389909] note_interrupt+0x2a7/0x2f0 [ 299.389934] handle_irq_event+0x72/0x80 [ 299.389964] handle_edge_irq+0x8b/0x230 [ 299.389988] __common_interrupt+0x3e/0xb0 [ 299.390012] common_interrupt+0x81/0xa0 [ 299.390038] [ 299.390054] [ 299.390067] asm_common_interrupt+0x26/0x40 [ 299.390094] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30 [ 299.390129] 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 91 2e 5b <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90 [ 299.390222] RSP: 0018:ffffa51e411cbd38 EFLAGS: 00000286 [ 299.390255] RAX: 0000000000000000 RBX: ffffffffa60cb240 RCX: 0000000000000017 [ 299.390299] RDX: ffffffffa4945f2e RSI: 0000000000000282 RDI: ffffffffa60cb240 [ 299.390342] RBP: 0000000000000001 R08: 00000045c5e68f1b R09: 0000000000000001 [ 299.390386] R10: ffff8c3e81dbf5f8 R11: 0000000000000000 R12: 0000000000000001 [ 299.390429] R13: 0000000000000000 R14: ffff8c3e81dbec01 R15: ffff8c3e81fa4000 [ 299.390473] ? rpm_suspend+0x1ae/0x5e0 [ 299.390502] uart_write+0x103/0x1d0 [ 299.390530] n_tty_write+0x1a4/0x520 [ 299.390557] ? __pfx_woken_wake_function+0x10/0x10 [ 299.390589] file_tty_write.constprop.0+0x15b/0x340 [ 299.390620] vfs_write+0x336/0x460 [ 299.390649] ksys_write+0x63/0xe0 [ 299.390673] do_syscall_64+0xad/0x1b0 [ 299.390699] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 299.390739] RIP: 0033:0x7fe191053957 [ 299.390762] 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 [ 299.390856] RSP: 002b:00007ffd2cf9dea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 299.390899] RAX: ffffffffffffffda RBX: 0000557be0515e70 RCX: 00007fe191053957 [ 299.390943] RDX: 0000000000000001 RSI: 0000557be0515e70 RDI: 0000000000000001 [ 299.390981] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 299.391024] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557be0502530 [ 299.391068] R13: 0000557be04e32a0 R14: 0000000000000001 R15: 0000557be0502530 [ 299.391112] [ 299.391129] handlers: [ 299.391142] [<000000004873b4bb>] serial8250_interrupt [ 299.391172] Disabling IRQ #4 WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr