On 2020-10-05 16:25, Roger Heflin wrote:
> ok.
>
> You have some piece of hw that is losing its mind and constantly
> interrupting the machine, cpu2 is the one processing this interrupt.
> Last time I saw this is was a bad motherboard.
>
> cat /proc/interrupts ; sleep 10 ; cat /proc/interrupts
>
> And we might be able to tell what device is doing it. If it is a
> non-critical device you might be able to reset it and get it to behave
> for a while.
>
Not sure what I am to look for?
Is the the curprit?
16: 0 203708282 0 0 IR-IO-APIC 16-fasteoi
i2c_designware.0, idma64.0, i801_smbus, parport0
"parport0" is that my parallel port I use with my printer?
It has gone bad once before.
$ cat /proc/interrupts
CPU0 CPU1 CPU2 CPU3
0: 13 0 0 0 IR-IO-APIC 2-edge
timer
4: 0 1 0 0 IR-IO-APIC 4-edge
8: 0 0 1 0 IR-IO-APIC 8-edge
rtc0
9: 0 5 0 0 IR-IO-APIC
9-fasteoi acpi
16: 0 203203519 0 0 IR-IO-APIC
16-fasteoi i2c_designware.0, idma64.0, i801_smbus, parport0
17: 0 0 0 0 IR-IO-APIC
17-fasteoi i2c_designware.1, idma64.1
19: 0 1 0 0 IR-IO-APIC 19-fasteoi
120: 0 0 0 0 DMAR-MSI 0-edge
dmar0
121: 0 0 0 0 DMAR-MSI 1-edge
dmar1
127: 31612 862 30036 39441 IR-PCI-MSI
376832-edge ahci[0000:00:17.0]
128: 82363 7290 81251 100067 IR-PCI-MSI
327680-edge xhci_hcd
129: 0 0 0 0 IR-PCI-MSI
58195968-edge xhci_hcd
130: 0 0 0 0 IR-PCI-MSI
58195969-edge xhci_hcd
131: 0 0 0 0 IR-PCI-MSI
58195970-edge xhci_hcd
132: 0 0 0 0 IR-PCI-MSI
58195971-edge xhci_hcd
133: 0 0 0 0 IR-PCI-MSI
58195972-edge xhci_hcd
134: 3673 1015 2325 3777 IR-PCI-MSI
520192-edge eno1
135: 1586 0 1830 2546 IR-PCI-MSI
58720256-edge nvme0q0
136: 72797 0 0 0 IR-PCI-MSI
58720257-edge nvme0q1
137: 0 36644 0 0 IR-PCI-MSI
58720258-edge nvme0q2
138: 0 0 74708 0 IR-PCI-MSI
58720259-edge nvme0q3
139: 0 0 0 73540 IR-PCI-MSI
58720260-edge nvme0q4
140: 1 0 0 0 IR-PCI-MSI
56623104-edge eno2
141: 101209 11366 72805 84181 IR-PCI-MSI
56623105-edge eno2-TxRx-0
142: 50585 49804 51763 45589 IR-PCI-MSI
56623106-edge eno2-TxRx-1
143: 131147 1975 105633 135217 IR-PCI-MSI
56623107-edge eno2-TxRx-2
144: 63419 1554 71598 149813 IR-PCI-MSI
56623108-edge eno2-TxRx-3
145: 703904 2280 2520797 629680 IR-PCI-MSI
32768-edge i915
146: 0 0 62 0 IR-PCI-MSI
360448-edge mei_me
147: 0 0 0 3488 IR-PCI-MSI
514048-edge snd_hda_intel:card0
NMI: 191 1456 188 187 Non-maskable interrupts
LOC: 18023356 12656655 18612334 17720022 Local timer interrupts
SPU: 0 0 0 0 Spurious interrupts
PMI: 191 1456 188 187 Performance
monitoring interrupts
IWI: 235088 494 877588 209383 IRQ work interrupts
RTR: 0 0 0 0 APIC ICR read retries
RES: 1089089 2430913 1046668 1077965 Rescheduling interrupts
CAL: 786033 467244 686936 645387 Function call
interrupts
TLB: 419432 158892 390151 396460 TLB shootdowns
TRM: 0 0 0 0 Thermal event
interrupts
THR: 0 0 0 0 Threshold APIC
interrupts
DFR: 0 0 0 0 Deferred Error APIC
interrupts
MCE: 0 0 0 0 Machine check
exceptions
MCP: 68 69 69 69 Machine check polls
ERR: 0
MIS: 0
PIN: 0 0 0 0 Posted-interrupt
notification event
NPI: 0 0 0 0 Nested
posted-interrupt event
PIW: 0 0 0 0 Posted-interrupt
wakeup event
After 10 seconds
$ cat /proc/interrupts
CPU0 CPU1 CPU2 CPU3
0: 13 0 0 0 IR-IO-APIC 2-edge
timer
4: 0 1 0 0 IR-IO-APIC 4-edge
8: 0 0 1 0 IR-IO-APIC 8-edge
rtc0
9: 0 5 0 0 IR-IO-APIC
9-fasteoi acpi
16: 0 203708282 0 0 IR-IO-APIC
16-fasteoi i2c_designware.0, idma64.0, i801_smbus, parport0
17: 0 0 0 0 IR-IO-APIC
17-fasteoi i2c_designware.1, idma64.1
19: 0 1 0 0 IR-IO-APIC 19-fasteoi
120: 0 0 0 0 DMAR-MSI 0-edge
dmar0
121: 0 0 0 0 DMAR-MSI 1-edge
dmar1
127: 31685 862 30120 39513 IR-PCI-MSI
376832-edge ahci[0000:00:17.0]
128: 82815 7290 81577 100113 IR-PCI-MSI
327680-edge xhci_hcd
129: 0 0 0 0 IR-PCI-MSI
58195968-edge xhci_hcd
130: 0 0 0 0 IR-PCI-MSI
58195969-edge xhci_hcd
131: 0 0 0 0 IR-PCI-MSI
58195970-edge xhci_hcd
132: 0 0 0 0 IR-PCI-MSI
58195971-edge xhci_hcd
133: 0 0 0 0 IR-PCI-MSI
58195972-edge xhci_hcd
134: 3680 1015 2330 3782 IR-PCI-MSI
520192-edge eno1
135: 1586 0 1830 2547 IR-PCI-MSI
58720256-edge nvme0q0
136: 72850 0 0 0 IR-PCI-MSI
58720257-edge nvme0q1
137: 0 36652 0 0 IR-PCI-MSI
58720258-edge nvme0q2
138: 0 0 74769 0 IR-PCI-MSI
58720259-edge nvme0q3
139: 0 0 0 73597 IR-PCI-MSI
58720260-edge nvme0q4
140: 1 0 0 0 IR-PCI-MSI
56623104-edge eno2
141: 101617 11366 73110 84531 IR-PCI-MSI
56623105-edge eno2-TxRx-0
142: 50642 49804 51801 45636 IR-PCI-MSI
56623106-edge eno2-TxRx-1
143: 131585 1975 106228 135711 IR-PCI-MSI
56623107-edge eno2-TxRx-2
144: 63450 1554 71622 149845 IR-PCI-MSI
56623108-edge eno2-TxRx-3
145: 706822 2280 2522619 631479 IR-PCI-MSI
32768-edge i915
146: 0 0 62 0 IR-PCI-MSI
360448-edge mei_me
147: 0 0 0 3488 IR-PCI-MSI
514048-edge snd_hda_intel:card0
NMI: 192 1459 189 188 Non-maskable interrupts
LOC: 18075360 12690685 18663771 17769858 Local timer interrupts
SPU: 0 0 0 0 Spurious interrupts
PMI: 192 1459 189 188 Performance
monitoring interrupts
IWI: 236016 495 878165 209903 IRQ work interrupts
RTR: 0 0 0 0 APIC ICR read retries
RES: 1094876 2438575 1051934 1083319 Rescheduling interrupts
CAL: 789218 468470 689465 647926 Function call
interrupts
TLB: 420219 158923 390828 397033 TLB shootdowns
TRM: 0 0 0 0 Thermal event
interrupts
THR: 0 0 0 0 Threshold APIC
interrupts
DFR: 0 0 0 0 Deferred Error APIC
interrupts
MCE: 0 0 0 0 Machine check
exceptions
MCP: 68 69 69 69 Machine check polls
ERR: 0
MIS: 0
PIN: 0 0 0 0 Posted-interrupt
notification event
NPI: 0 0 0 0 Nested
posted-interrupt event
PIW: 0 0 0 0 Posted-interrupt
wakeup event
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