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    Internet speeds are SLOW

    Scheduled Pinned Locked Moved General pfSense Questions
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    • S
      smileybri
      last edited by

      Hello all! What a cool product. My Netgear must have been hit by lightning and died so I took out this old P4/1GB/40GB Dell Dimension 4700 found an old NIC in a drawer and setup pfSense (something I had been wanting to learn to use anyhow).

      One of my NICs is the internal Intel NIC and the other is an RTL8129 chipset. The Internet performance is dismal - less than 3MB Down but the up is good 10MB. I'm on Comcast 30MB connection. With my desktop plugged right into the modem I get less than 20 MB so there may be some Comcast issues but there is definatly something wrong with my home made gateway here.

      I know that Intel NICs are recommended but can they really make this big a difference? I swapped WAN and LAN NICs but I get the same results. I'm about to take out that old trusty Linksys WRT54G tomorrow.

      Any ideas? I would much rather get this box working - but I really don't want to buy a NIC if I can help it.

      1 Reply Last reply Reply Quote 0
      • C
        craigduff
        last edited by

        How are you testing your internet speeds?

        Kind Regards,
        Craig

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        • stephenw10S
          stephenw10 Netgate Administrator
          last edited by

          Check for an interface mismatch. If your modem is set at 100Mb FD, rather than auto, then pfSense will fail to auto-negatiate a speed and fall back to HD. You will see a lot of errors on the interface in Diagnostics: Interfaces: if that is the case.
          Could also be a cable fault.

          Steve

          1 Reply Last reply Reply Quote 0
          • S
            smileybri
            last edited by

            I am using http://www.speedtest.net/ and http://myspeed.visualware.com/index.php

            Is there another site I should use?

            Thank you, stephenw10. Can you tell me how to check for the mismatch? I don't see interfaces under diagnostics.

            I replaced one of the cables. I same results.

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            • S
              smileybri
              last edited by

              WAN  (DHCP): 98.249.234.152 100baseTX <full-duplex>LAN     192.168.0.1 100baseTX <full-duplex>Status: Interfaces

              WAN interface (rl0)
              Status up
              DHCP up    
              MAC address 00:80:ad:b6:89:fe
              IP address 98.249.234.152  
              Subnet mask 255.255.248.0
              Gateway 98.249.232.1
              ISP DNS servers 127.0.0.1
              75.75.75.75
              75.75.76.76
              216.146.35.35
              216.146.36.36
              Media 100baseTX <full-duplex>In/out packets 4909835/6531611 (1.03 GB/4.96 GB)
              In/out packets (pass) 4460194/6531611 (1019.78 MB/4.96 GB)
              In/out packets (block) 449641/0 (33.31 MB/0 bytes)
              In/out errors 0/0
              Collisions 0
              LAN interface (fxp0)
              Status up
              MAC address 00:13:20:6b:78:15
              IP address 192.168.0.1  
              Subnet mask 255.255.255.0
              Media 100baseTX <full-duplex>In/out packets 6558625/4468742 (4.96 GB/1.00 GB)
              In/out packets (pass) 6534033/4468742 (4.96 GB/1.00 GB)
              In/out packets (block) 24592/0 (1.77 MB/0 bytes)
              In/out errors 0/0
              Collisions 0

              Using dial-on-demand will bring the connection up again if any packet triggers it. To substantiate this point: disconnecting manually will not prevent dial-on-demand from making connections to the outside! Don't use dial-on-demand if you want to make sure that the line is kept disconnected.</full-duplex></full-duplex></full-duplex></full-duplex>

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              • S
                smileybri
                last edited by

                1 Reply Last reply Reply Quote 0
                • stephenw10S
                  stephenw10 Netgate Administrator
                  last edited by

                  Ooops, yes Status: Diagnostics:. Anyway no errors there and I assume your NICs are still set to auto-negotiate (the default setting).

                  In that case I would look at an MTU problem. Try setting the WAN MTU lower.

                  Also you can test the download speed directly to the pfSense box by downloading a file from a known good source:

                  fetch -o /dev/null http://speedtest.wdc01.softlayer.com/downloads/test.zip
                  

                  or 100MB test file

                  fetch -o /dev/null http://speedtest.wdc01.softlayer.com/downloads/test100.zip
                  

                  Steve

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                  • S
                    smileybri
                    last edited by

                    I thought that I should report that I just tried IPFire on near identical hardware (Same NIC types) and the other system had 1GB ram (I just realized this one has 512MB). The results are the same. I think I am going to throw the Linksys WRT54G a it just to test and report back.

                    I ran the command "fetch -o /dev/null http://speedtest.wdc01.softlayer.com/downloads/test.zip" at
                    Diagnostics: Execute command > Execute Shell command

                    It completed after a couple of minutes but didn't give me any output as to speed. Should I have done that in the PHP Execute are instead?

                    Oh, and Steve, thanks for your help. You have been great. I would have abandoned this altogether had you not provided some suggestions. I would really like to get it working. I'll try the command in the PHP Execute box before installing the Linksys.

                    1 Reply Last reply Reply Quote 0
                    • S
                      smileybri
                      last edited by

                      I plugged into a 10/100 switch instead of my 10/100/100 and got the above result.

                      Still not the 20Mbps I get with my computer plugged right into the modem, but better.

                      1 Reply Last reply Reply Quote 0
                      • stephenw10S
                        stephenw10 Netgate Administrator
                        last edited by

                        You have to run the fetch command at the CLI to see the output. Sorry I should have said that.

                        So where is the switch?

                        Steve

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                        • S
                          smileybri
                          last edited by

                          My Computer connected directly to the LAN side of the pfSense box. (FYI I typically try these tests three times to make sure they are consistent. I post if they are in the same range.

                          My computer has Gigabit Ethernet so I think that either the Realtek NIC or pfSense has trouble negotiating with Gigabit ports.

                          Steve, how can I get to the Command LIne Interface (CLI)? The live terminal isn't responding to keyboard input - only to the keyboard or mouse being connected or disconnected as in…

                          usm0: <logitech 0="" 2="" usb-ps="" trackball,="" class="" blah="" on="" usbus0<br="">usm0: 3 buttons and [XYZ] coordinates ID=0

                          Those are the last two lines with the lines above that related to the USB Keyboard. How do I enter the command?</logitech>

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                          • S
                            smileybri
                            last edited by

                            That theory is out. Again connected to the 10/100

                            (the cables are 7 ft. to answer where is the switch) The switch is mounted to the wall behind the desk.

                            Oh, and the WAN port on my old Lynksys seems defunct so I can't get a test on that.

                            1 Reply Last reply Reply Quote 0
                            • S
                              smileybri
                              last edited by

                              fetch -o /dev/null http://speedtest.wdc01.softlayer.com/downloads/test.zip
                              Results: 100% of 11MB 153 kBps

                              I found a couple of other network cards. Linksys LNE100TX v5.1 & Netwok Everywhere NC100 v2.1 if you think they would do the trick.

                              1 Reply Last reply Reply Quote 0
                              • S
                                smileybri
                                last edited by

                                Okay, I found another WRT54GL with dd-wrt and I connected it.

                                The first test was 25+ down and 5+ up and the above was likely due to Comcast caching. I switched to the Naples, FL server and got:

                                but it still could be because of cached data. Much better results though.

                                I'm leaving the Linksys device for now until I can get some more suggestions. Now that I can browse leisurely from my laptop I will look through some posts here and see what kind of hardware people are getting good results with and then see if I have any of that laying around here.

                                Thank you, Steve. You have been an huge help.

                                -Brian

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                                • stephenw10S
                                  stephenw10 Netgate Administrator
                                  last edited by

                                  Hmm, no menu on the console eh? Which install type are you running? If you selected embedded kernel or you're using a NanoBSD image then the console is switched to the serial port, which is more common on an embedded appliance.
                                  However you can still get to the console menu by connecting via SSH. Once at the menu slect option 8 for the command line.

                                  When I said where is the switch I meant where in the network is it. Since you say your client machine is connected directly to the pfSense LAN port I assume the switch is between the WAN port and the cable modem? Any reason you have switch there at all?

                                  Steve

                                  1 Reply Last reply Reply Quote 0
                                  • S
                                    smileybri
                                    last edited by

                                    Sorry Steve!

                                    I was testing many different connections. Typically I have this setup…

                                    Modem > Router/Firewall > Gigabit Switch > My Desktop PC
                                                                                            > Gigabit Switch on the other side of the house > Entertainment Center PC
                                                                                                                                                            > TV
                                                                                                                                                            > DirecTV HD DVR
                                                                                                                                                            > Two printers
                                                                      > 10/100 Switch
                                                                      > Linux server
                                                                      > 4 PC workbench

                                    I was doing tests of pfSense with my PC attached to:
                                    The LAN port of the pfSense machine directly
                                    The 10/100 switch in between the LAN port of pfSense and my PC
                                    The Gigabit switch n between the LAN port of pfSense and my PC

                                    I actually confirmed that the Gigabit ports were getting 2 to 3 Mbbs down while the 10/100 was getting about 10 Mbps down. That is the LAN port of the pfSense machine attached to the various ports. Gigabit is out but probably due to the age of the NICs I am assuming.

                                    All in all the Linksys router wins but I am eager to dive back in and test other hardware. I have a few computers that are newer that might be up to the challenge, but I might wait until I can get my hands on better NIC cards.

                                    1 Reply Last reply Reply Quote 0
                                    • C
                                      cmb
                                      last edited by

                                      What does dmesg show? After boot, go to Diag>Command and run dmesg. Paste the output here.

                                      I suspect you have a NIC sharing an IRQ with some other component of the system, sometimes that'll cause significant performance degradation.

                                      1 Reply Last reply Reply Quote 0
                                      • stephenw10S
                                        stephenw10 Netgate Administrator
                                        last edited by

                                        @smileybri:

                                        fetch -o /dev/null http://speedtest.wdc01.softlayer.com/downloads/test.zip
                                        Results: 100% of 11MB 153 kBps

                                        Sorry I totally overlooked this result above. How was that achieved? It seems very slow. Implies the slow part of the connection is the WAN interface. I would try swapping WAN and LAN and re-running that test.

                                        Steve

                                        1 Reply Last reply Reply Quote 0
                                        • S
                                          smileybri
                                          last edited by

                                          Steve, thanks. I rebooted and selected the option on the box itself to get the console and ran command right from the console. I will swap interfaces later and give the result again, but swapping the WAN and LAN was one of the very first things I did to no effect so I don't have much hope in the result being much different.

                                          I have the machine disconnected from the network now. The family wants the Internet up and working for a while without interruption. Here is the report from only a machine connected to the LAN side.

                                          $ dmesg
                                          Copyright © 1992-2010 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 8.1-RELEASE-p13 #0: Fri Apr 12 10:54:59 EDT 2013
                                              root@snapshots-8_1-amd64.builders.pfsense.org:/usr/obj.pfSense/usr/pfSensesrc/src/sys/pfSense_SMP.8 amd64
                                          Timecounter "i8254" frequency 1193182 Hz quality 0
                                          CPU: Intel(R) Pentium(R) 4 CPU 2.80GHz (2793.02-MHz K8-class CPU)
                                            Origin = "GenuineIntel"  Id = 0xf41  Family = f  Model = 4  Stepping = 1
                                            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=0x641d <sse3,dtes64,mon,ds_cpl,cnxt-id,cx16,xtpr>AMD Features=0x20100800 <syscall,nx,lm>TSC: P-state invariant
                                          real memory  = 536870912 (512 MB)
                                          avail memory = 484552704 (462 MB)
                                          ACPI APIC Table: <dell  4700 ="">FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
                                          FreeBSD/SMP: 1 package(s) x 1 core(s) x 2 HTT threads
                                          cpu0 (BSP): APIC ID:  0
                                          cpu1 (AP/HT): APIC ID:  1
                                          ioapic0: Changing APIC ID to 8
                                          ioapic0 <version 2.0="">irqs 0-23 on motherboard
                                          lapic0: Forcing LINT1 to edge trigger
                                          wlan: mac acl policy registered
                                          ipw_monitor: You need to read the LICENSE file in /usr/share/doc/legal/intel_ipw/.
                                          ipw_monitor: If you agree with the license, set legal.intel_ipw.license_ack=1 in /boot/loader.conf.
                                          module_register_init: MOD_LOAD (ipw_monitor_fw, 0xffffffff804732e0, 0) error 1
                                          wpi: You need to read the LICENSE file in /usr/share/doc/legal/intel_wpi/.
                                          wpi: If you agree with the license, set legal.intel_wpi.license_ack=1 in /boot/loader.conf.
                                          module_register_init: MOD_LOAD (wpi_fw, 0xffffffff80656da0, 0) error 1
                                          ipw_bss: You need to read the LICENSE file in /usr/share/doc/legal/intel_ipw/.
                                          ipw_bss: If you agree with the license, set legal.intel_ipw.license_ack=1 in /boot/loader.conf.
                                          module_register_init: MOD_LOAD (ipw_bss_fw, 0xffffffff804731a0, 0) error 1
                                          ipw_ibss: You need to read the LICENSE file in /usr/share/doc/legal/intel_ipw/.
                                          ipw_ibss: If you agree with the license, set legal.intel_ipw.license_ack=1 in /boot/loader.conf.
                                          module_register_init: MOD_LOAD (ipw_ibss_fw, 0xffffffff80473240, 0) error 1
                                          kbd1 at kbdmux0
                                          cryptosoft0: <software crypto="">on motherboard
                                          padlock0: No ACE support.
                                          acpi0: <dell 4700 ="">on motherboard
                                          acpi0: [ITHREAD]
                                          acpi0: Power Button (fixed)
                                          acpi0: reservation of 0, a0000 (3) failed
                                          acpi0: reservation of 100000, f00000 (3) failed
                                          acpi0: reservation of 1000000, 1e688c00 (3) failed
                                          Timecounter "ACPI-safe" frequency 3579545 Hz quality 850
                                          acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
                                          cpu0: <acpi cpu="">on acpi0
                                          cpu1: <acpi cpu="">on acpi0
                                          acpi_hpet0: <high precision="" event="" timer="">iomem 0xfed00000-0xfed003ff on acpi0
                                          Timecounter "HPET" frequency 14318180 Hz quality 900
                                          acpi_button0: <power button="">on acpi0
                                          acpi_button0: enable wake failed
                                          pcib0: <acpi host-pci="" bridge="">port 0xcf8-0xcff on acpi0
                                          pci0: <acpi pci="" bus="">on pcib0
                                          pcib1: <acpi pci-pci="" bridge="">irq 16 at device 1.0 on pci0
                                          pci1: <acpi pci="" bus="">on pcib1
                                          vgapci0: <vga-compatible display="">port 0xe898-0xe89f mem 0xdff00000-0xdff7ffff,0xc0000000-0xcfffffff,0xdfec0000-0xdfefffff irq 16 at device 2.0 on pci0
                                          agp0: <intel 82915g="" (915g="" gmch)="" svga="" controller="">on vgapci0
                                          agp0: detected 7932k stolen memory
                                          agp0: aperture size is 256M
                                          vgapci1: <vga-compatible display="">mem 0xdff80000-0xdfffffff at device 2.1 on pci0
                                          pcib2: <acpi pci-pci="" bridge="">irq 16 at device 28.0 on pci0
                                          pci2: <acpi pci="" bus="">on pcib2
                                          uhci0: <intel 82801fb="" fr="" fw="" frw="" (ich6)="" usb="" controller="" usb-a="">port 0xff80-0xff9f irq 21 at device 29.0 on pci0
                                          uhci0: [ITHREAD]
                                          usbus0: <intel 82801fb="" fr="" fw="" frw="" (ich6)="" usb="" controller="" usb-a="">on uhci0
                                          uhci1: <intel 82801fb="" fr="" fw="" frw="" (ich6)="" usb="" controller="" usb-b="">port 0xff60-0xff7f irq 22 at device 29.1 on pci0
                                          uhci1: [ITHREAD]
                                          usbus1: <intel 82801fb="" fr="" fw="" frw="" (ich6)="" usb="" controller="" usb-b="">on uhci1
                                          uhci2: <intel 82801fb="" fr="" fw="" frw="" (ich6)="" usb="" controller="" usb-c="">port 0xff40-0xff5f irq 18 at device 29.2 on pci0
                                          uhci2: [ITHREAD]
                                          usbus2: <intel 82801fb="" fr="" fw="" frw="" (ich6)="" usb="" controller="" usb-c="">on uhci2
                                          uhci3: <intel 82801fb="" fr="" fw="" frw="" (ich6)="" usb="" controller="" usb-d="">port 0xff20-0xff3f irq 23 at device 29.3 on pci0
                                          uhci3: [ITHREAD]
                                          usbus3: <intel 82801fb="" fr="" fw="" frw="" (ich6)="" usb="" controller="" usb-d="">on uhci3
                                          ehci0: <intel 82801fb="" (ich6)="" usb="" 2.0="" controller="">mem 0xffa80800-0xffa80bff irq 21 at device 29.7 on pci0
                                          ehci0: [ITHREAD]
                                          usbus4: EHCI version 1.0
                                          usbus4: <intel 82801fb="" (ich6)="" usb="" 2.0="" controller="">on ehci0
                                          pcib3: <acpi pci-pci="" bridge="">at device 30.0 on pci0
                                          pci3: <acpi pci="" bus="">on pcib3
                                          rl0: <realtek 10="" 8129="" 100basetx="">port 0xdc80-0xdcff mem 0xdfbfef80-0xdfbfefff irq 17 at device 1.0 on pci3
                                          miibus0: <mii bus="">on rl0
                                          rlphy0: <realtek internal="" media="" interface="">PHY 1 on miibus0
                                          rlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
                                          rl0: [ITHREAD]
                                          fxp0: <intel 82562ez="" (ich6)="">port 0xdc40-0xdc7f mem 0xdfbff000-0xdfbfffff irq 20 at device 8.0 on pci3
                                          miibus1: <mii bus="">on fxp0
                                          inphy0: <i82562et 10="" 100="" media="" interface="">PHY 1 on miibus1
                                          inphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
                                          fxp0: [ITHREAD]
                                          pci0: <multimedia, audio="">at device 30.2 (no driver attached)
                                          isab0: <pci-isa bridge="">at device 31.0 on pci0
                                          isa0: <isa bus="">on isab0
                                          atapci0: <intel ich6="" udma100="" controller="">port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xffa0-0xffaf irq 16 at device 31.1 on pci0
                                          ata0: <ata 0="" channel="">on atapci0
                                          ata0: [ITHREAD]
                                          ata1: <ata 1="" channel="">on atapci0
                                          ata1: [ITHREAD]
                                          atapci1: <intel ich6="" sata150="" controller="">port 0xfe00-0xfe07,0xfe10-0xfe13,0xfe20-0xfe27,0xfe30-0xfe33,0xfea0-0xfeaf irq 20 at device 31.2 on pci0
                                          atapci1: [ITHREAD]
                                          ata2: <ata 0="" channel="">on atapci1
                                          ata2: [ITHREAD]
                                          ata3: <ata 1="" channel="">on atapci1
                                          ata3: [ITHREAD]
                                          pci0: <serial bus,="" smbus="">at device 31.3 (no driver attached)
                                          atrtc0: <at realtime="" clock="">port 0x70-0x7f irq 8 on acpi0
                                          ppc0: <parallel port="">port 0x378-0x37f,0x778-0x77f irq 7 on acpi0
                                          ppc0: SMC-like chipset (ECP/EPP/PS2/NIBBLE) in COMPATIBLE mode
                                          ppc0: FIFO with 16/16/8 bytes threshold
                                          ppc0: [ITHREAD]
                                          ppbus0: <parallel port="" bus="">on ppc0
                                          plip0: <plip network="" interface="">on ppbus0
                                          plip0: [ITHREAD]
                                          lpt0: <printer>on ppbus0
                                          lpt0: [ITHREAD]
                                          lpt0: Interrupt-driven port
                                          ppi0: <parallel i="" o="">on ppbus0
                                          uart0: <16550 or compatible> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0
                                          uart0: [FILTER]
                                          orm0: <isa option="" roms="">at iomem 0xc0000-0xca7ff,0xca800-0xcbfff on isa0
                                          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
                                          atkbdc0: <keyboard controller="" (i8042)="">at port 0x60,0x64 on isa0
                                          atkbd0: <at keyboard="">irq 1 on atkbdc0
                                          kbd0 at atkbd0
                                          atkbd0: [GIANT-LOCKED]
                                          atkbd0: [ITHREAD]
                                          p4tcc0: <cpu frequency="" thermal="" control="">on cpu0
                                          p4tcc1: <cpu frequency="" thermal="" control="">on cpu1
                                          Timecounters tick every 1.000 msec
                                          IPsec: Initialized Security Association Processing.
                                          usbus0: 12Mbps Full Speed USB v1.0
                                          usbus1: 12Mbps Full Speed USB v1.0
                                          usbus2: 12Mbps Full Speed USB v1.0
                                          usbus3: 12Mbps Full Speed USB v1.0
                                          usbus4: 480Mbps High Speed USB v2.0
                                          acd0: CDROM <lite-on cd-rom="" ltn-489s="" 8ds2="">at ata0-master UDMA33
                                          ad4: 38146MB <hitachi hds728040pla320="" pf1oa63a="">at ata2-master UDMA100 SATA
                                          ugen0.1: <intel>at usbus0
                                          uhub0: <intel 1="" 9="" uhci="" root="" hub,="" class="" 0,="" rev="" 1.00="" 1.00,="" addr="">on usbus0
                                          ugen1.1: <intel>at usbus1
                                          uhub1: <intel 1="" 9="" uhci="" root="" hub,="" class="" 0,="" rev="" 1.00="" 1.00,="" addr="">on usbus1
                                          ugen2.1: <intel>at usbus2
                                          uhub2: <intel 1="" 9="" uhci="" root="" hub,="" class="" 0,="" rev="" 1.00="" 1.00,="" addr="">on usbus2
                                          ugen3.1: <intel>at usbus3
                                          uhub3: <intel 1="" 9="" uhci="" root="" hub,="" class="" 0,="" rev="" 1.00="" 1.00,="" addr="">on usbus3
                                          ugen4.1: <intel>at usbus4
                                          uhub4: <intel 1="" 9="" ehci="" root="" hub,="" class="" 0,="" rev="" 2.00="" 1.00,="" addr="">on usbus4
                                          lapic1: Forcing LINT1 to edge trigger
                                          SMP: AP CPU #1 Launched!
                                          Root mount waiting for: usbus4 usbus3 usbus2 usbus1 usbus0
                                          uhub0: 2 ports with 2 removable, self powered
                                          uhub1: 2 ports with 2 removable, self powered
                                          uhub2: 2 ports with 2 removable, self powered
                                          uhub3: 2 ports with 2 removable, self powered
                                          Root mount waiting for: usbus4
                                          Root mount waiting for: usbus4
                                          uhub4: 8 ports with 8 removable, self powered
                                          Trying to mount root from ufs:/dev/ad4s1a
                                          ugen0.2: <vendor 0x0557="">at usbus0
                                          uhub5: <vendor 2="" 9="" 0x0557="" product="" 0x7000,="" class="" 0,="" rev="" 1.10="" 1.00,="" addr="">on usbus0
                                          uhub5: 4 ports with 4 removable, self powered
                                          ugen0.3: <dell>at usbus0
                                          ukbd0: <dell 0="" 3="" dell="" usb="" keyboard,="" class="" 0,="" rev="" 1.10="" 3.01,="" addr="">on usbus0
                                          kbd2 at ukbd0
                                          ugen0.4: <logitech>at usbus0
                                          ums0: <logitech 0="" 2="" 4="" usb-ps="" trackball,="" class="" 0,="" rev="" 1.00="" 2.00,="" addr="">on usbus0
                                          ums0: 3 buttons and [XYZ] coordinates ID=0
                                          pflog0: promiscuous mode enabled
                                          fxp0: link state changed to UP
                                          fxp0: link state changed to DOWN
                                          fxp0: link state changed to UP
                                          ugen0.4: <logitech>at usbus0 (disconnected)
                                          ums0: at uhub5, port 4, addr 4 (disconnected)</logitech></logitech></logitech></dell></dell></vendor></vendor></intel></intel></intel></intel></intel></intel></intel></intel></intel></intel></hitachi></lite-on></cpu></cpu></at></keyboard></generic></system></isa></parallel></printer></plip></parallel></parallel></at></serial></ata></ata></intel></ata></ata></intel></isa></pci-isa></multimedia,></i82562et></mii></intel></realtek></mii></realtek></acpi></acpi></intel></intel></intel></intel></intel></intel></intel></intel></intel></intel></acpi></acpi></vga-compatible></intel></vga-compatible></acpi></acpi></acpi></acpi></power></high></acpi></acpi></dell></software></version></dell ></syscall,nx,lm></sse3,dtes64,mon,ds_cpl,cnxt-id,cx16,xtpr></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>

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                                            SATA controller and the NIC are sharing an IRQ. That could be why. At times it is, though it's common and usually causes no problems, it'd be my strongest suspicion in this case. Mucking with BIOS settings may change that around (things like PNP OS setting). Disabling unused hardware in the BIOS may also do it.

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