<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - linux-5.1.19: i915 when ext HDMI is connected triggers too many interrupts and high load" href="https://bugs.freedesktop.org/show_bug.cgi?id=111180#c6">Comment # 6</a> on <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - linux-5.1.19: i915 when ext HDMI is connected triggers too many interrupts and high load" href="https://bugs.freedesktop.org/show_bug.cgi?id=111180">bug 111180</a> from <a class="email" href="mailto:mmokrejs@gmail.com" title="mmokrejs@fold.natur.cuni.cz <mmokrejs@gmail.com>"> mmokrejs@fold.natur.cuni.cz</a> <pre>Created <a href="attachment.cgi?id=144847" name="attach_144847" title="dmesg-5.1.19__HDMI_cable_pulled_out.txt">attachment 144847</a> <a href="attachment.cgi?id=144847&action=edit" title="dmesg-5.1.19__HDMI_cable_pulled_out.txt">[details]</a> dmesg-5.1.19__HDMI_cable_pulled_out.txt In this dmesg you cann see the errors and somewhere you can find where I pulled out the HDMI cable. Then, withing a few seconds CPU fan speeds went down, and I assume temperature as well. $ cat /proc/interrupts CPU0 CPU1 0: 6 0 IR-IO-APIC 2-edge timer 1: 17 0 IR-IO-APIC 1-edge i8042 8: 0 1 IR-IO-APIC 8-edge rtc0 9: 0 4 IR-IO-APIC 9-fasteoi acpi 12: 0 0 IR-IO-APIC 12-edge i8042 16: 82 0 IR-IO-APIC 16-fasteoi ehci_hcd:usb1 18: 0 0 IR-IO-APIC 18-fasteoi i801_smbus 23: 0 65 IR-IO-APIC 23-fasteoi ehci_hcd:usb2 24: 0 0 DMAR-MSI 0-edge dmar0 25: 0 0 DMAR-MSI 1-edge dmar1 30: 0 0 IR-PCI-MSI 473088-edge pciehp 31: 0 34727931 IR-PCI-MSI 32768-edge i915 32: 0 0 IR-PCI-MSI 360448-edge mei_me 33: 0 97197 IR-PCI-MSI 512000-edge ahci[0000:00:1f.2] 34: 114753 0 IR-PCI-MSI 2621440-edge p1p1 35: 0 207816 IR-PCI-MSI 5767168-edge xhci_hcd 36: 0 0 IR-PCI-MSI 5767169-edge xhci_hcd 37: 0 0 IR-PCI-MSI 5767170-edge xhci_hcd 38: 0 0 IR-PCI-MSI 5767171-edge xhci_hcd 39: 0 0 IR-PCI-MSI 5767172-edge xhci_hcd 40: 0 0 IR-PCI-MSI 442368-edge snd_hda_intel:card0 41: 0 1 IR-PCI-MSI 4718592-edge iwlwifi NMI: 0 0 Non-maskable interrupts LOC: 12587184 10611394 Local timer interrupts SPU: 0 0 Spurious interrupts PMI: 0 0 Performance monitoring interrupts IWI: 144 7182 IRQ work interrupts RTR: 0 0 APIC ICR read retries RES: 4603868 2600550 Rescheduling interrupts CAL: 182044 122334 Function call interrupts TLB: 488674 456196 TLB shootdowns TRM: 37098 37101 Thermal event interrupts THR: 0 0 Threshold APIC interrupts MCE: 0 0 Machine check exceptions MCP: 50 51 Machine check polls ERR: 0 MIS: 0 PIN: 0 0 Posted-interrupt notification event NPI: 0 0 Nested posted-interrupt event PIW: 0 0 Posted-interrupt wakeup event $ Uptime 4hrs 9min.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>