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    Help with a crash dump

    Scheduled Pinned Locked Moved General pfSense Questions
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    • N
      nik.taylor @nik.taylor
      last edited by

      I disabled nut and it crashed again this week.

      Anything else I can do?

      Thanks.

      1 Reply Last reply Reply Quote 0
      • chrismacmahonC
        chrismacmahon
        last edited by

        Are the crashes all the same with this error:

        db:0:kdb.enter.default>  bt
        Tracing pid 12 tid 100026 td 0xfffff8000396b620
        pfslowtimo() at pfslowtimo+0x52/frame 0xfffffe010e6e6810
        softclock_call_cc() at softclock_call_cc+0x13a/frame 0xfffffe010e6e68c0
        

        Or is it different?

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        • N
          nik.taylor
          last edited by

          This is the latest error I recieved:

          db:0:kdb.enter.default>  bt
          Tracing pid 12 tid 100026 td 0xfffff8000397d620
          ipport_tick() at ipport_tick+0x4e/frame 0xfffffe010e6e6810
          softclock_call_cc() at softclock_call_cc+0x13a/frame 0xfffffe010e6e68c0
          softclock() at softclock+0x79/frame 0xfffffe010e6e68e0
          
          1 Reply Last reply Reply Quote 0
          • chrismacmahonC
            chrismacmahon
            last edited by

            It looks like that's hardware, I would potentially look at changing the on-board battery see if that helps, but I highly doubt it would.

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            1 Reply Last reply Reply Quote 0
            • W
              Warden
              last edited by

              Hi,

              I'm experimenting the same kind of issue, my PFsense box crashing on daily basis since a couple of months. I did the same changing the SSD drive but getting the same results.

              Looking at the logs I see the same kind of details as discussed above:

              Fatal trap 12: page fault while in kernel mode
              cpuid = 3; apic id = 06
              fault virtual address	= 0xc46b3dd0
              fault code		= supervisor read data, page not present
              instruction pointer	= 0x20:0xffffffff80d89866
              stack pointer	        = 0x28:0xfffffe01188d6688
              frame pointer	        = 0x28:0xfffffe01188d6688
              code segment		= base 0x0, limit 0xfffff, type 0x1b
              			= DPL 0, pres 1, long 1, def32 0, gran 1
              processor eflags	= interrupt enabled, resume, IOPL = 0
              current process		= 55216 (darkstat)
              ��version.txt������0600����0�������0�������336���������13421446713�  7622� ������ustar���root���������wheel���������FreeBSD 11.2-RELEASE-p6 #3 518496b29ae(RELENG_2_4_4): Wed Dec 12 07:41:44 EST 2018
                  root@buildbot2.nyi.netgate.com:/build/ce-crossbuild-244/obj/amd64/ZfGpH5cd/build/ce-crossbuild-244/pfSense/tmp/FreeBSD-src/sys/pfSense��
              Filename: /var/crash/textdump.tar.11
              ddb.txt�����0600����0�������0�������140000������13422124500�  7063� ��ustar���root������wheel����db:0:kdb.enter.default>  run lockinfo
              db:1:lockinfo> show locks
              No such command; use "help" to list available commands
              db:1:lockinfo>  show alllocks
              No such command; use "help" to list available commands
              db:1:lockinfo>  show lockedvnods
              Locked vnodes
              db:0:kdb.enter.default>  show pcpu
              cpuid        = 2
              dynamic pcpu = 0xfffffe018f873480
              curthread    = 0xfffff80003dd0000: pid 12 "irq259: re0"
              curpcb       = 0xfffffe0118646cc0
              fpcurthread  = none
              idlethread   = 0xfffff80003939000: tid 100005 "idle: cpu2"
              curpmap      = 0xffffffff82b83898
              tssp         = 0xffffffff82bb47e0
              commontssp   = 0xffffffff82bb47e0
              rsp0         = 0xfffffe0118646cc0
              gs32p        = 0xffffffff82bbb038
              ldt          = 0xffffffff82bbb078
              tss          = 0xffffffff82bbb068
              db:0:kdb.enter.default>  bt
              Tracing pid 12 tid 100057 td 0xfffff80003dd0000
              turnstile_broadcast() at turnstile_broadcast+0x47/frame 0xfffffe0118646050
              __mtx_unlock_sleep() at __mtx_unlock_sleep+0xb9/frame 0xfffffe0118646080
              pf_state_insert() at pf_state_insert+0xb33/frame 0xfffffe0118646110
              pf_test_rule() at pf_test_rule+0x2c7c/frame 0xfffffe01186465a0
              pf_test() at pf_test+0x20e9/frame 0xfffffe0118646800
              pf_check_in() at pf_check_in+0x1d/frame 0xfffffe0118646820
              pfil_run_hooks() at pfil_run_hooks+0x90/frame 0xfffffe01186468b0
              ip_input() at ip_input+0x441/frame 0xfffffe0118646910
              netisr_dispatch_src() at netisr_dispatch_src+0xa8/frame 0xfffffe0118646960
              ether_demux() at ether_demux+0x173/frame 0xfffffe0118646990
              ether_nh_input() at ether_nh_input+0x32b/frame 0xfffffe01186469f0
              netisr_dispatch_src() at netisr_dispatch_src+0xa8/frame 0xfffffe0118646a40
              ether_input() at ether_input+0x26/frame 0xfffffe0118646a60
              re_rxeof() at re_rxeof+0x601/frame 0xfffffe0118646ad0
              re_intr_msi() at re_intr_msi+0xfc/frame 0xfffffe0118646b20
              intr_event_execute_handlers() at intr_event_execute_handlers+0xe9/frame 0xfffffe0118646b60
              ithread_loop() at ithread_loop+0xe7/frame 0xfffffe0118646bb0
              fork_exit() at fork_exit+0x83/frame 0xfffffe0118646bf0
              fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0118646bf0
              --- trap 0, rip = 0, rsp = 0, rbp = 0 ---
              

              I also attached the latest crash report to this post: https://forum.netgate.com/post/819822

              Thanks

              chrismacmahonC 1 Reply Last reply Reply Quote 0
              • chrismacmahonC
                chrismacmahon @Warden
                last edited by chrismacmahon

                @warden said in Help with a crash dump:

                your crash is very different from the other one, Can you open a new thread?

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                1 Reply Last reply Reply Quote 1
                • N
                  nik.taylor
                  last edited by

                  It's definitely nut. I uninstalled and there were no crashes. I re-installed and it's started crashing. Is this an integration issue you can look at or should I contact the nut team?

                  Thanks.

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

                    Yet it still crashed with Nut installed but disabled previously?

                    Were you able to replicate that? It seems hard to imagine that could happen if it really was disabled.

                    If it's a problem with the nut binaries in FreeBSD that would need to be reported upstream but there must be be a lot of people running that in FreeBSD.

                    Do you have any additional crash reports? Anything showing the NUT package specifically?

                    Steve

                    1 Reply Last reply Reply Quote 0
                    • N
                      nik.taylor
                      last edited by

                      I'm pretty sure it did. I'm going to disable it again and see if I get a crash dump with nut installed but disabled.

                      Here is the latest crash:

                      0_1551543086047_nut dump.txt

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

                        Mmm, well identical crash then. Implies probably software at least.

                        1 Reply Last reply Reply Quote 0
                        • N
                          nik.taylor
                          last edited by

                          Bumping this thread back up. I've continued to have this problem. I disabled nut for a few months and it didn't go away. I'm seeing crashes about once or twice a week still. Any next debugging steps?

                          Latest crash dump attached.

                          Thanks in advance.

                          crash_dump.txt

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

                            Hmm, well that is three almost identical crashes:

                            hardclock_cnt() at hardclock_cnt+0x131/frame 0xfffffe010e4d44e0
                            handleevents() at handleevents+0xc9/frame 0xfffffe010e4d4530
                            timercb() at timercb+0xad/frame 0xfffffe010e4d4580
                            lapic_handle_timer() at lapic_handle_timer+0xa2/frame 0xfffffe010e4d45c0
                            Xtimerint() at Xtimerint+0xa8/frame 0xfffffe010e4d45c0
                            

                            I got to think it's some issue with the system clock being used on that system.

                            I see it's loading the speedstep driver (est), is powerd enabled? You might disabling it if so. It's been a while since I've seen one but some systems has issues with varying the cpu clock that would throw errors.

                            You could usually work past that by selevting a non variable system timer instead.
                            For example:

                            [2.5.0-DEVELOPMENT][admin@apu.stevew.lan]/root: sysctl kern.timecounter.choice
                            kern.timecounter.choice: ACPI-fast(900) HPET(950) i8254(0) TSC(800) dummy(-1000000)
                            [2.5.0-DEVELOPMENT][admin@apu.stevew.lan]/root: sysctl kern.timecounter.hardware
                            kern.timecounter.hardware: HPET
                            

                            Steve

                            1 Reply Last reply Reply Quote 0
                            • N
                              nik.taylor
                              last edited by

                              @stephenw10 said in Help with a crash dump:

                              sysctl kern.timecounter.hardware

                              Thanks very much. powerd is not running.

                              I changed to HPET and will see what happens. I have to be honest, I know next to nothing about system timers so this is a stab in the dark for me. Will report back if anything happens.

                              1 Reply Last reply Reply Quote 0
                              • N
                                nik.taylor
                                last edited by

                                HPET didnt work. My system froze with 're1 watchdog timeout' within about 5 mins. Re-booted, reset HPET and same thing happened.

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

                                  @nik-taylor said in Help with a crash dump:

                                  watchdog timeout

                                  You saw that error only using the HPET timecounter? What is the default timecounter there?

                                  Did it actually 'freeze' or just stop responding to the network? That error is typical when using Realtek NICs but the system usually still responds at the console for example. It's only the NICs that fail.
                                  You might try the alternative driver if so. That has been shown to help if the default driver is triggering watchdog timeouts.
                                  https://forum.netgate.com/topic/135850/official-realtek-driver-binary-1-95-for-2-4-4-release

                                  Steve

                                  1 Reply Last reply Reply Quote 0
                                  • N
                                    nik.taylor
                                    last edited by

                                    I have seen that error once or twice in the past but it's pretty consistent when i changed to HPET.

                                    It just stopped responding to the network. I could still use a keyboard directly attached to the box.

                                    Default timecounter is TSC.

                                    I'll try the updated driver.

                                    Thanks for helping me keep on top of this.

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

                                      No problem.
                                      Yeah if the console was still active but the NIC/driver crashed out definitely try the alternative driver.

                                      Ultimately there's not too much you can do. The Realtek NICs are budget items and not that well supported in FreeBSD.

                                      Steve

                                      N 1 Reply Last reply Reply Quote 0
                                      • N
                                        nik.taylor @stephenw10
                                        last edited by

                                        @stephenw10 - 5 days and no crash. I think the NIC driver patch fixed it. Thanks for all your help. I think I learned my lesson, Intel NIC's from here on out.

                                        1 Reply Last reply Reply Quote 1
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