[ 45.103165][ T333] GACT probability NOT on [ 49.809899][ T397] Mirror/redirect action on [ 92.861404][ C3] irq 4: nobody cared (try booting with the "irqpoll" option) [ 92.861785][ C3] CPU: 3 PID: 225 Comm: perl Not tainted 6.9.0-rc4-virtme #1 [ 92.862029][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 92.862387][ C3] Call Trace: [ 92.862511][ C3] [ 92.862596][ C3] dump_stack_lvl+0x82/0xd0 [ 92.862776][ C3] __report_bad_irq+0x5f/0x180 [ 92.862955][ C3] note_interrupt+0x6b3/0x860 [ 92.863118][ C3] handle_irq_event+0x16d/0x1c0 [ 92.863289][ C3] handle_edge_irq+0x1fa/0xb60 [ 92.863472][ C3] __common_interrupt+0x7c/0x180 [ 92.863645][ C3] common_interrupt+0x7e/0x90 [ 92.863802][ C3] [ 92.863886][ C3] [ 92.863965][ C3] asm_common_interrupt+0x26/0x40 [ 92.864136][ C3] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70 [ 92.864636][ C3] Code: 10 e8 e1 58 9a fd 48 89 ef e8 19 c9 9a fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d 05 9e ee 4d <74> 0e 5b 5d c3 cc cc cc cc e8 1f c5 bd fd eb dc 0f 1f 44 00 00 5b [ 92.865258][ C3] RSP: 0018:ffffc90000abfa80 EFLAGS: 00000286 [ 92.865473][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff6a69554 [ 92.865723][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb2152a11 [ 92.865972][ C3] RBP: ffffffffb5c2b1e0 R08: 0000000000000001 R09: fffffbfff6a646b0 [ 92.866217][ C3] R10: ffffffffb5323587 R11: 0000000000000000 R12: 000000000000078a [ 92.866469][ C3] R13: ffffffffb5c2b2e8 R14: ffffffffb5c2b1e0 R15: ffff888004a30000 [ 92.866742][ C3] ? _raw_spin_unlock_irqrestore+0x51/0x70 [ 92.866959][ C3] uart_write+0x224/0x450 [ 92.867111][ C3] process_output_block+0x13e/0x790 [ 92.867281][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x1af/0x370 [ 92.867484][ C3] n_tty_write+0x412/0x7a0 [ 92.867656][ C3] ? __pfx_n_tty_write+0x10/0x10 [ 92.867811][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 92.867973][ C3] ? __pfx_woken_wake_function+0x10/0x10 [ 92.868131][ C3] ? iterate_tty_write+0x95/0x540 [ 92.868297][ C3] ? lock_acquire+0x32/0xc0 [ 92.868464][ C3] ? iterate_tty_write+0x95/0x540 [ 92.868623][ C3] iterate_tty_write+0x228/0x540 [ 92.868789][ C3] ? tty_ldisc_ref_wait+0x28/0x80 [ 92.868958][ C3] file_tty_write.constprop.0+0x1db/0x370 [ 92.869113][ C3] ? find_held_lock+0x2c/0x110 [ 92.869272][ C3] vfs_write+0x9e5/0x10a0 [ 92.869402][ C3] ? __pfx___lock_release+0x10/0x10 [ 92.869559][ C3] ? trace_lock_acquire+0x135/0x1c0 [ 92.869720][ C3] ? lock_acquire+0x32/0xc0 [ 92.869894][ C3] ? __pfx_vfs_write+0x10/0x10 [ 92.870118][ C3] ? __might_fault+0x11b/0x170 [ 92.870278][ C3] ? __rseq_handle_notify_resume+0x354/0x4e0 [ 92.870496][ C3] ? __fget_light+0x53/0x1e0 [ 92.870673][ C3] ksys_write+0xf5/0x1e0 [ 92.870802][ C3] ? __pfx_ksys_write+0x10/0x10 [ 92.870962][ C3] do_syscall_64+0xc3/0x1d0 [ 92.871133][ C3] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.871333][ C3] RIP: 0033:0x7f5d864a8957 [ 92.871497][ C3] 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 [ 92.872059][ C3] RSP: 002b:00007ffc59332aa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 92.872319][ C3] RAX: ffffffffffffffda RBX: 000055700bf101d0 RCX: 00007f5d864a8957 [ 92.872568][ C3] RDX: 0000000000000001 RSI: 000055700bf101d0 RDI: 0000000000000001 [ 92.872813][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 92.873072][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055700befc5c0 [ 92.873341][ C3] R13: 000055700bedd2a0 R14: 0000000000000001 R15: 000055700befc5c0 [ 92.873607][ C3] [ 92.873739][ C3] handlers: [ 92.873884][ C3] [] serial8250_interrupt [ 92.874263][ C3] Disabling IRQ #4 WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr