irq 16: nobody cared


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Found this gem in the syslog today, would anyone be able to shed any light on why this would have happened? Nothing appears to be broken at the moment. Strangely the timestamp seems to match the only hardware change I've made to the machine in a very long time and that was just plugging in a hdmi cable to the onboard GPU, though I don't understand why that would cause it.

 

May  1 18:49:06 Tower kernel: irq 16: nobody cared (try booting with the "irqpoll" option)
May  1 18:49:06 Tower kernel: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.14.35-unRAID #1
May  1 18:49:06 Tower kernel: Hardware name: Gigabyte Technology Co., Ltd. Z270N-WIFI/Z270N-WIFI-CF, BIOS F5 07/06/2017
May  1 18:49:06 Tower kernel: Call Trace:
May  1 18:49:06 Tower kernel: <IRQ>
May  1 18:49:06 Tower kernel: dump_stack+0x5d/0x79
May  1 18:49:06 Tower kernel: __report_bad_irq+0x32/0xac
May  1 18:49:06 Tower kernel: note_interrupt+0x1d4/0x225
May  1 18:49:06 Tower kernel: handle_irq_event_percpu+0x39/0x3f
May  1 18:49:06 Tower kernel: handle_irq_event+0x31/0x4f
May  1 18:49:06 Tower kernel: handle_fasteoi_irq+0x8c/0xf3
May  1 18:49:06 Tower kernel: handle_irq+0x1c/0x1f
May  1 18:49:06 Tower kernel: do_IRQ+0x3b/0xbb
May  1 18:49:06 Tower kernel: common_interrupt+0x7d/0x7d
May  1 18:49:06 Tower kernel: </IRQ>
May  1 18:49:06 Tower kernel: RIP: 0010:cpuidle_enter_state+0xe3/0x135
May  1 18:49:06 Tower kernel: RSP: 0018:ffffffff81c03ec8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff7d
May  1 18:49:06 Tower kernel: RAX: ffff88042ec20980 RBX: 0000000000000000 RCX: 000000000000001f
May  1 18:49:06 Tower kernel: RDX: 00024e417ba40eef RSI: 0000000000020180 RDI: 0000000000000000
May  1 18:49:06 Tower kernel: RBP: ffff88042ec28800 R08: 0006b245a498f2dc R09: 0000000000000018
May  1 18:49:06 Tower kernel: R10: ffffffff81c03ea8 R11: 0000000000000000 R12: 0000000000000001
May  1 18:49:06 Tower kernel: R13: 00024e417ba40eef R14: ffffffff81c591f8 R15: 00024e417ba40215
May  1 18:49:06 Tower kernel: ? cpuidle_enter_state+0xbb/0x135
May  1 18:49:06 Tower kernel: do_idle+0x11a/0x179
May  1 18:49:06 Tower kernel: cpu_startup_entry+0x18/0x1a
May  1 18:49:06 Tower kernel: start_kernel+0x3e4/0x3ec
May  1 18:49:06 Tower kernel: secondary_startup_64+0xa5/0xb0
May  1 18:49:06 Tower kernel: handlers:
May  1 18:49:06 Tower kernel: [<ffffffffa0000d50>] i801_isr [i2c_i801]
May  1 18:49:06 Tower kernel: Disabling IRQ #16
root@Tower:~# cat /proc/interrupts
            CPU0       CPU1       CPU2       CPU3       CPU4       CPU5       CPU6       CPU7
   0:         44          0          0          0          0          0          0          0  IR-IO-APIC    2-edge      timer
   8:         18          0          0          0          0          0          0          0  IR-IO-APIC    8-edge      rtc0
   9:          0          0          0          0          0          0          0          0  IR-IO-APIC    9-fasteoi   acpi
  16:     100000          0          0          0          0          0          0          0  IR-IO-APIC   16-fasteoi   i801_smbus
 120:          0          0          0          0          0          0          0          0  DMAR-MSI    0-edge      dmar0
 121:          0          0          0          0          0          0          0          0  DMAR-MSI    1-edge      dmar1
 122:          0          0          0          0          0          0          0          0  DMAR-MSI  128-edge      dmar0-prq
 123:    3284078          0          0          0          0          0          0          0  IR-PCI-MSI 327680-edge      xhci_hcd
 124:   16477549          0          0          0          0          0          0          0  IR-PCI-MSI 376832-edge      ahci[0000:00:17.0]
 125:          1          0          0          0          0          0          0          0  IR-PCI-MSI 3670016-edge      eth0
 126:   52832651          0          0          0          0          0          0          0  IR-PCI-MSI 524288-edge      mpt2sas0-msix0
 127:   69674258          0          0          0          0          0          0          0  IR-PCI-MSI 3670017-edge      eth0-rx-0
 128:     344802          0          0          0          0          0          0          0  IR-PCI-MSI 3670018-edge      eth0-rx-1
 129:   24255990          0          0          0          0          0          0          0  IR-PCI-MSI 3670019-edge      eth0-tx-0
 130:   51567192          0          0          0          0          0          0          0  IR-PCI-MSI 3670020-edge      eth0-tx-1
 131:     344802          0          0          0          0          0          0          0  IR-PCI-MSI 520192-edge      eth1
 NMI:          0          0        612          0          0          0          0          0   Non-maskable interrupts
 LOC:  216834455  258160260  164850430  119864597  302686535  281394935  129574123  109494595   Local timer interrupts
 SPU:          0          0          0          0          0          0          0          0   Spurious interrupts
 PMI:          0          0        612          0          0          0          0          0   Performance monitoring interrupts
 IWI:          2          0         27          0          0          0          0          0   IRQ work interrupts
 RTR:          0          0          0          0          0          0          0          0   APIC ICR read retries
 RES:   50032888   12236939   68080807   52929105    1340832    1106603   66894393   43870617   Rescheduling interrupts
 CAL:     550854     629917     567107     604028     655691     654758     603215     618110   Function call interrupts
 TLB:     498074     577130     453380     446509     602377     601486     455888     487348   TLB shootdowns
 TRM:          0          0          0          0          0          0          0          0   Thermal event interrupts
 THR:          0          0          0          0          0          0          0          0   Threshold APIC interrupts
 DFR:          0          0          0          0          0          0          0          0   Deferred Error APIC interrupts
 MCE:          0          0          0          0          0          0          0          0   Machine check exceptions
 MCP:       2106       2106       2106       2106       2106       2106       2106       2106   Machine check polls
 HYP:          0          0          0          0          0          0          0          0   Hypervisor callback interrupts
 ERR:          0
 MIS:          0
 PIN:          0          0          0          0          0          0          0          0   Posted-interrupt notification event
 NPI:          0          0          0          0          0          0          0          0   Nested posted-interrupt event
 PIW:          0          0          0          0          0          0          0          0   Posted-interrupt wakeup event

 

tower-diagnostics-20180502-0615.zip

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