Date: Thu, 6 Jun 2013 19:23:51 GMT From: Michal Sviba <michal@sviba.cz> To: freebsd-gnats-submit@FreeBSD.org Subject: amd64/179376: xhci ehci irq storm Message-ID: <201306061923.r56JNpS2021789@oldred.freebsd.org> Resent-Message-ID: <201306061930.r56JU0LH008710@freefall.freebsd.org>
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>Number: 179376 >Category: amd64 >Synopsis: xhci ehci irq storm >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-amd64 >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Jun 06 19:30:00 UTC 2013 >Closed-Date: >Last-Modified: >Originator: Michal Sviba >Release: 9.1 >Organization: >Environment: 9.1-RELEASE-p2 #0: Mon Apr 29 13:25:59 CEST 2013 >Description: CPU load is high because of to much interrupts. #vmstat -i interrupt total rate irq16: xhci0 ehci0 20060263963 14114 irq23: ehci1 2844944 2 cpu0:timer 1227368754 863 irq264: em0 39704787 27 irq265: hdac0 77 0 irq266: ahci0 5757249 4 cpu1:timer 30460523 21 cpu3:timer 26554702 18 cpu2:timer 35402259 24 Total 21428357258 15077 #sysctl hw.usb.ehci.debug=1 #sysctl hw.usb.xhci.debug=1 #tail -f /var/log/messages Jun 6 21:22:25 ms10 kernel: ehci_set_hw_power: Jun 6 21:22:25 ms10 kernel: ehci_set_hw_power: Periodic is active Jun 6 21:22:25 ms10 kernel: ehci_set_hw_power: Jun 6 21:22:25 ms10 kernel: ehci_set_hw_power: Async is active Jun 6 21:22:25 ms10 kernel: ehci_set_hw_power: Periodic is active Jun 6 21:22:25 ms10 kernel: ehci_set_hw_power: Jun 6 21:22:25 ms10 kernel: ehci_set_hw_power: Periodic is active Jun 6 21:22:25 ms10 kernel: ehci_set_hw_power: Jun 6 21:22:25 ms10 kernel: ehci_set_hw_power: Async is active Jun 6 21:22:25 ms10 kernel: ehci_set_hw_power: Periodic is active Jun 6 21:22:29 ms10 kernel: xhci_set_hw_power: Jun 6 21:22:29 ms10 kernel: ehci_set_hw_power: Jun 6 21:22:29 ms10 kernel: ehci_set_hw_power: Periodic is active Jun 6 21:22:29 ms10 kernel: ehci_set_hw_power: Jun 6 21:22:29 ms10 kernel: ehci_set_hw_power: Async is active Jun 6 21:22:29 ms10 kernel: ehci_set_hw_power: Periodic is active Jun 6 21:22:29 ms10 kernel: ehci_set_hw_power: Jun 6 21:22:29 ms10 kernel: ehci_set_hw_power: Periodic is active Jun 6 21:22:29 ms10 kernel: ehci_set_hw_power: Jun 6 21:22:29 ms10 kernel: ehci_set_hw_power: Async is active Jun 6 21:22:29 ms10 kernel: ehci_set_hw_power: Periodic is active >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted:
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