Hello. I have a very high interrupts load on my FreeBSD machine. It happens when i plug any USB device (like a keyboard), and the load is still high after disconnecting the device. It becomes normal after reboot. My system based on ASUS P8Z68-V Pro/Gen3 motherboard. MYKERNEL is the GENERIC kernel with ipfw support. Sorry for bad English. Some debug information below: # vmstat -i interrupt total rate irq16: xhci1 10760525071 17776 irq23: ehci0 ehci1 1826517 3 cpu0:timer 619928626 1024 irq256: em0:rx 0 54277776 89 irq257: em0:tx 0 42013316 69 irq258: em0:link 2 0 irq262: em2:rx 0 541775211 895 irq263: em2:tx 0 498677204 823 irq264: em2:link 1 0 irq265: em3:rx 0 300580772 496 irq266: em3:tx 0 593156009 979 irq268: ahci0 5757554 9 cpu1:timer 123236782 203 cpu3:timer 100504666 166 cpu2:timer 58767827 97 Total 13701027334 22634 # systat -vmstat 1 users Load 0.32 0.51 0.50 Oct 1 11:52 Mem:KB REAL VIRTUAL VN PAGER SWAP PAGER Tot Share Tot Share Free in out in out Act 1481080 158408 5595688 175752 2913052 count All 1581028 164260 1079516k 209568 pages Proc: Interrupts r p d s w Csw Trp Sys Int Sof Flt cow 173k total 137 349k 24 122 171k 1055 3 zfod 166k xhci1 16 ozfod 3 ehci0 ehci 0.1%Sys 18.0%Intr 0.0%User 0.0%Nice 81.9%Idle %ozfod 1128 cpu0:timer | | | | | | | | | | | daefr 76 em0:rx 0 +++++++++ prcfr 72 em0:tx 0 17 dtbuf 3 totfr em0:link Namei Name-cache Dir-cache 204931 desvn react 1216 em2:rx 0 Calls hits % hits % 179871 numvn pdwak 1146 em2:tx 0 353 353 100 49693 frevn pdpgs em2:link intrn 933 em3:rx 0 Disks ada0 ada1 pass0 pass1 731484 wire 1312 em3:tx 0 KB/t 30.98 30.98 0.00 0.00 1123916 act 24 ahci0 268 tps 12 12 0 0 3233464 inact 914 cpu1:timer MB/s 0.35 0.35 0.00 0.00 276 cache 139 cpu3:timer %busy 0 0 0 0 2912776 free 72 cpu2:timer 837152 buf # pciconf -lv hostb0@pci0:0:0:0: class=0x060000 card=0x844d1043 chip=0x01008086 rev=0x09 hdr=0x00 vendor = 'Intel Corporation' device = '2nd Generation Core Processor Family DRAM Controller' class = bridge subclass = HOST-PCI - - - - - xhci0@pci0:4:0:0: class=0x0c0330 card=0x84881043 chip=0x10421b21 rev=0x00 hdr=0x00 vendor = 'ASMedia Technology Inc.' device = 'ASM1042 SuperSpeed USB Host Controller' class = serial bus subclass = USB - - - - - xhci1@pci0:7:0:0: class=0x0c0330 card=0x84881043 chip=0x10421b21 rev=0x00 hdr=0x00 vendor = 'ASMedia Technology Inc.' device = 'ASM1042 SuperSpeed USB Host Controller' class = serial bus subclass = USB How-To-Repeat: Plug any USB device.
On Monday 01 October 2012 10:15:48 Aleksei Reytsman wrote: > >Number: 172199 > >Category: usb > >Synopsis: high interrupts load xhci > >Confidential: no > >Severity: non-critical > >Priority: low > >Responsible: freebsd-usb > >State: open > >Quarter: > >Keywords: > >Date-Required: > >Class: sw-bug > >Submitter-Id: current-users > >Arrival-Date: Mon Oct 01 08:20:03 UTC 2012 > >Closed-Date: > >Last-Modified: > >Originator: Aleksei Reytsman > >Release: 9.0 > > >Organization: > Solvex-Tourne ltd > > >Environment: > # uname -a > FreeBSD servergate 9.0-RELEASE FreeBSD 9.0-RELEASE #0: Wed Mar 28 15:00:36 > MSK 2012 root@servergate:/usr/src/sys/amd64/compile/MYKERNEL amd64 > > >Description: > Hello. > I have a very high interrupts load on my FreeBSD machine. It happens when i > plug any USB device (like a keyboard), and the load is still high after > disconnecting the device. It becomes normal after reboot. My system based > on ASUS P8Z68-V Pro/Gen3 motherboard. > MYKERNEL is the GENERIC kernel with ipfw support. > Sorry for bad English. > Some debug information below: > > # vmstat -i > interrupt total rate > irq16: xhci1 10760525071 17776 > irq23: ehci0 ehci1 1826517 3 > cpu0:timer 619928626 1024 > irq256: em0:rx 0 54277776 89 > irq257: em0:tx 0 42013316 69 > irq258: em0:link 2 0 > irq262: em2:rx 0 541775211 895 > irq263: em2:tx 0 498677204 823 > irq264: em2:link 1 0 > irq265: em3:rx 0 300580772 496 > irq266: em3:tx 0 593156009 979 > irq268: ahci0 5757554 9 > cpu1:timer 123236782 203 > cpu3:timer 100504666 166 > cpu2:timer 58767827 97 > Total 13701027334 22634 > > # systat -vmstat > 1 users Load 0.32 0.51 0.50 Oct 1 11:52 > > Mem:KB REAL VIRTUAL VN PAGER SWAP > PAGER Tot Share Tot Share Free in out in > out Act 1481080 158408 5595688 175752 2913052 count > All 1581028 164260 1079516k 209568 pages > Proc: Interrupts > r p d s w Csw Trp Sys Int Sof Flt cow 173k total > 137 349k 24 122 171k 1055 3 zfod 166k xhci1 > 16 ozfod 3 ehci0 ehci 0.1%Sys 18.0%Intr 0.0%User 0.0%Nice 81.9%Idle > %ozfod 1128 cpu0:timer > > | | | | | | | | | | | daefr 76 em0:rx > | | | | | | | | | | | 0 > > +++++++++ prcfr 72 > em0:tx 0 17 dtbuf 3 totfr em0:link Namei Name-cache > Dir-cache 204931 desvn react 1216 em2:rx 0 Calls hits % > hits % 179871 numvn pdwak 1146 em2:tx 0 353 353 100 > 49693 frevn pdpgs em2:link intrn 933 em3:rx > 0 Disks ada0 ada1 pass0 pass1 731484 wire 1312 > em3:tx 0 KB/t 30.98 30.98 0.00 0.00 1123916 act > 24 ahci0 268 tps 12 12 0 0 3233464 > inact 914 cpu1:timer MB/s 0.35 0.35 0.00 0.00 > 276 cache 139 cpu3:timer %busy 0 0 0 0 > 2912776 free 72 cpu2:timer 837152 buf > # pciconf -lv > hostb0@pci0:0:0:0: class=0x060000 card=0x844d1043 chip=0x01008086 > rev=0x09 hdr=0x00 vendor = 'Intel Corporation' > device = '2nd Generation Core Processor Family DRAM Controller' > class = bridge > subclass = HOST-PCI > - - - - - > xhci0@pci0:4:0:0: class=0x0c0330 card=0x84881043 chip=0x10421b21 > rev=0x00 hdr=0x00 vendor = 'ASMedia Technology Inc.' > device = 'ASM1042 SuperSpeed USB Host Controller' > class = serial bus > subclass = USB > - - - - - > xhci1@pci0:7:0:0: class=0x0c0330 card=0x84881043 chip=0x10421b21 > rev=0x00 hdr=0x00 vendor = 'ASMedia Technology Inc.' > device = 'ASM1042 SuperSpeed USB Host Controller' > class = serial bus > subclass = USB > > >How-To-Repeat: > Plug any USB device. > > >Fix: > > > > > >Release-Note: > >Audit-Trail: > > >Unformatted: Hi, Can you collect some dmesg? sysctl hw.usb.xhci.debug=16 ; sleep 1; sysctl hw.usb.xhci.debug=0 --HPS
>Hi, > >Can you collect some dmesg? > >sysctl hw.usb.xhci.debug=16 ; sleep 1; sysctl hw.usb.xhci.debug=0 > >--HPS Hi, I have the same symptom, but with plugging and unplugging a monitor and also just toggling the monitor's power. With the high interrupt happening I did your dmesg test. I got a whole bunch of : xhci_interrupt: real interrupt (sts=0x00000000, iman=0x00000002) I have seen this on a : Gigabyte GA-Z77-DS3H (with Core i3-2120T) Intel DH77KC (same Core i3-2120T) I'm using the intergrated graphics on the cpu. It doesn't matter whether the DSUB (only on the GA) or DVI port is used. Currently I'm on the Intel board and its interrupt usage reported by systat -vmstat is : Interrupts 159k total atkbd0 1 158k xhci0 ehci 4 em1 17 56 ath0 19 2 ehci1 23 1127 cpu0:timer 2 em0 256 35 ahci0 257 16 cpu1:timer 10 cpu3:timer 22 cpu2:timer Some more info about the system follows : [root@bsd /]# uptime 6:57AM up 11:28, 1 user, load averages: 0.51, 0.38, 0.23 [root@bsd /]# uname -a FreeBSD bsd.hostname.here 9.0-RELEASE-p3 FreeBSD 9.0-RELEASE-p3 #0: Tue Jun 12 02:52:29 UTC 2012 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64 Note that I saw the same thing when I tried 9.1RC3 amd64 [root@bsd /]# dmesg Copyright (c) 1992-2012 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 9.0-RELEASE-p3 #0: Tue Jun 12 02:52:29 UTC 2012 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64 CPU: Intel(R) Core(TM) i3-2120T CPU @ 2.60GHz (2594.16-MHz K8-class CPU) Origin = "GenuineIntel" Id = 0x206a7 Family = 6 Model = 2a Stepping = 7 Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> Features2=0x159ae3bf<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,POPCNT,TSCDLT,XSAVE,AVX> AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM> AMD Features2=0x1<LAHF> TSC: P-state invariant, performance statistics real memory = 17179869184 (16384 MB) avail memory = 16423026688 (15662 MB) Event timer "LAPIC" quality 600 ACPI APIC Table: <INTEL DH77KC > FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs FreeBSD/SMP: 1 package(s) x 2 core(s) x 2 SMT threads cpu0 (BSP): APIC ID: 0 cpu1 (AP): APIC ID: 1 cpu2 (AP): APIC ID: 2 cpu3 (AP): APIC ID: 3 ACPI Warning: FADT (revision 5) is longer than ACPI 2.0 version, truncating length 268 to 244 (20110527/tbfadt-320) ioapic0 <Version 2.0> irqs 0-23 on motherboard kbd1 at kbdmux0 acpi0: <INTEL DH77KC> on motherboard acpi0: Power Button (fixed) acpi0: reservation of 67, 1 (4) failed Timecounter "ACPI-fast" frequency 3579545 Hz quality 900 acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0 cpu0: <ACPI CPU> on acpi0 cpu1: <ACPI CPU> on acpi0 cpu2: <ACPI CPU> on acpi0 cpu3: <ACPI CPU> on acpi0 pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0 pci0: <ACPI PCI bus> on pcib0 vgapci0: <VGA-compatible display> port 0xf000-0xf03f mem 0xf7800000-0xf7bfffff,0xe0000000-0xefffffff irq 16 at device 2.0 on pci0 xhci0: <XHCI (generic) USB 3.0 controller> mem 0xf7d20000-0xf7d2ffff irq 16 at device 20.0 on pci0 xhci0: 32 byte context size. usbus0 on xhci0 pci0: <simple comms> at device 22.0 (no driver attached) em0: <Intel(R) PRO/1000 Network Connection 7.2.3> port 0xf080-0xf09f mem 0xf7d00000-0xf7d1ffff,0xf7d35000-0xf7d35fff irq 20 at device 25.0 on pci0 em0: Using an MSI interrupt em0: Ethernet address: e8:40:f2:ab:e1:13 ehci0: <EHCI (generic) USB 2.0 controller> mem 0xf7d34000-0xf7d343ff irq 16 at device 26.0 on pci0 usbus1: EHCI version 1.0 usbus1: <EHCI (generic) USB 2.0 controller> on ehci0 pcib1: <ACPI PCI-PCI bridge> irq 16 at device 28.0 on pci0 pci1: <ACPI PCI bus> on pcib1 pcib2: <ACPI PCI-PCI bridge> irq 19 at device 28.7 on pci0 pci2: <ACPI PCI bus> on pcib2 pcib3: <ACPI PCI-PCI bridge> irq 19 at device 0.0 on pci2 pci3: <ACPI PCI bus> on pcib3 ath0: <Atheros 5212> mem 0xf7c60000-0xf7c6ffff irq 19 at device 0.0 on pci3 ath0: AR2413 mac 7.9 RF2413 phy 4.5 em1: <Intel(R) PRO/1000 Legacy Network Connection 1.0.3> port 0xe000-0xe03f mem 0xf7c40000-0xf7c5ffff,0xf7c20000-0xf7c3ffff irq 17 at device 2.0 on pci3 em1: Ethernet address: 00:1b:21:29:a6:4c ehci1: <EHCI (generic) USB 2.0 controller> mem 0xf7d33000-0xf7d333ff irq 23 at device 29.0 on pci0 usbus2: EHCI version 1.0 usbus2: <EHCI (generic) USB 2.0 controller> on ehci1 isab0: <PCI-ISA bridge> at device 31.0 on pci0 isa0: <ISA bus> on isab0 ahci0: <Intel Panther Point AHCI SATA controller> port 0xf0d0-0xf0d7,0xf0c0-0xf0c3,0xf0b0-0xf0b7,0xf0a0-0xf0a3,0xf060-0xf07f mem 0xf7d32000-0xf7d327ff irq 19 at device 31.2 on pci0 ahci0: AHCI v1.30 with 6 6Gbps ports, Port Multiplier not supported ahcich0: <AHCI channel> at channel 0 on ahci0 ahcich1: <AHCI channel> at channel 1 on ahci0 ahcich2: <AHCI channel> at channel 5 on ahci0 pci0: <serial bus, SMBus> at device 31.3 (no driver attached) acpi_button0: <Power Button> on acpi0 acpi_tz0: <Thermal Zone> on acpi0 acpi_tz1: <Thermal Zone> on acpi0 hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0 Timecounter "HPET" frequency 14318180 Hz quality 950 Event timer "HPET" frequency 14318180 Hz quality 550 Event timer "HPET1" frequency 14318180 Hz quality 440 Event timer "HPET2" frequency 14318180 Hz quality 440 Event timer "HPET3" frequency 14318180 Hz quality 440 Event timer "HPET4" frequency 14318180 Hz quality 440 atrtc0: <AT realtime clock> port 0x70-0x77 irq 8 on acpi0 atrtc0: Warning: Couldn't map I/O. Event timer "RTC" frequency 32768 Hz quality 0 attimer0: <AT timer> port 0x40-0x43,0x50-0x53 irq 0 on acpi0 Timecounter "i8254" frequency 1193182 Hz quality 0 Event timer "i8254" frequency 1193182 Hz quality 100 atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0 atkbd0: <AT Keyboard> irq 1 on atkbdc0 kbd0 at atkbd0 atkbd0: [GIANT-LOCKED] uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0 sc0: <System console> at flags 0x100 on isa0 sc0: VGA <16 virtual consoles, flags=0x300> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0 ppc0: cannot reserve I/O port range coretemp0: <CPU On-Die Thermal Sensors> on cpu0 est0: <Enhanced SpeedStep Frequency Control> on cpu0 coretemp1: <CPU On-Die Thermal Sensors> on cpu1 est1: <Enhanced SpeedStep Frequency Control> on cpu1 coretemp2: <CPU On-Die Thermal Sensors> on cpu2 est2: <Enhanced SpeedStep Frequency Control> on cpu2 coretemp3: <CPU On-Die Thermal Sensors> on cpu3 est3: <Enhanced SpeedStep Frequency Control> on cpu3 ZFS filesystem version 5 ZFS storage pool version 28 Timecounters tick every 1.000 msec usbus0: 5.0Gbps Super Speed USB v3.0 usbus1: 480Mbps High Speed USB v2.0 usbus2: 480Mbps High Speed USB v2.0 ugen0.1: <0x8086> at usbus0 uhub0: <0x8086 XHCI root HUB, class 9/0, rev 3.00/1.00, addr 1> on usbus0 ugen1.1: <Intel> at usbus1 uhub1: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus1 ugen2.1: <Intel> at usbus2 uhub2: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus2 ada0 at ahcich0 bus 0 scbus0 target 0 lun 0 ada0: <ST2000DM001-9YN164 CC4H> ATA-8 SATA 3.x device ada0: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes) ada0: Command Queueing enabled ada0: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C) ada0: Previously was known as ad4 ada1 at ahcich1 bus 0 scbus1 target 0 lun 0 ada1: <ST2000DM001-1CH164 CC24> ATA-8 SATA 3.x device ada1: 600.000MB/s transfers (SATA 3.x, UDMA6, PIO 8192bytes) ada1: Command Queueing enabled ada1: 1907729MB (3907029168 512 byte sectors: 16H 63S/T 16383C) ada1: Previously was known as ad6 SMP: AP CPU #1 Launched! SMP: AP CPU #3 Launched! SMP: AP CPU #2 Launched! Timecounter "TSC-low" frequency 10133456 Hz quality 1000 Root mount waiting for: usbus2 usbus1 usbus0 uhub0: 8 ports with 8 removable, self powered uhub1: 2 ports with 2 removable, self powered uhub2: 2 ports with 2 removable, self powered Root mount waiting for: usbus2 usbus1 ugen1.2: <vendor 0x8087> at usbus1 uhub3: <vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, addr 2> on usbus1 ugen2.2: <vendor 0x8087> at usbus2 uhub4: <vendor 0x8087 product 0x0024, class 9/0, rev 2.00/0.00, addr 2> on usbus2 Root mount waiting for: usbus2 usbus1 uhub3: 6 ports with 6 removable, self powered uhub4: 8 ports with 8 removable, self powered Trying to mount root from zfs:zroot []... [root@bsd /]# pciconf -lv vgapci0@pci0:0:2:0: class=0x030000 card=0x20318086 chip=0x01028086 rev=0x09 hdr=0x00 vendor = 'Intel Corporation' device = '2nd Generation Core Processor Family Integrated Graphics Controller' class = display subclass = VGA xhci0@pci0:0:20:0: class=0x0c0330 card=0x20318086 chip=0x1e318086 rev=0x04 hdr=0x00 vendor = 'Intel Corporation' device = 'Panther Point USB xHCI Host Controller' class = serial bus subclass = USB -Victor
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