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    pfSense 2.6.0 kernel panics when activating second wifi interface and cycles

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    • C
      Circle 0
      last edited by

      Greetings all!

      I'm quite new to pfSense and I just did a new install of pfSense 2.6.0 on a new Qotom i7 4500U, BIOS version 2.16.1243 (core 5.010). The box is also equipped with a wle200nx wifi card.

      Everything is running just fine, just up until the moment I activate my second wifi interface - OPT2 as 802.11na. OPT1 runs just fine as 802.11ng. When activating OPT2 I get a kernel panic and the box reboots, and so it continues cycling... Only option I know of as of now is reinstallation. OPT1 and OPT2 are equally configured except for running different standards, IPs and BSSIDs.

      As I'm not very experienced with pfSense, I do not know how to read logs in single user mode and such. If someone could give me some hints, I'd be able to provide some more info in the subject.

      Any ideas or hints? Am I missing something here?

      Meanwhile I will try pfSense v2.5.2

      Thanks!

      Best regards
      /T

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      • C
        Circle 0 @Circle 0
        last edited by

        @circle-0 said in pfSense 2.6.0 kernel panics when activating second wifi interface and cycles:

        Greetings all!

        I'm quite new to pfSense and I just did a new install of pfSense 2.6.0 on a new Qotom i7 4500U, BIOS version 2.16.1243 (core 5.010). The box is also equipped with a wle200nx wifi card.

        Everything is running just fine, just up until the moment I activate my second wifi interface - OPT2 as 802.11na. OPT1 runs just fine as 802.11ng. When activating OPT2 I get a kernel panic and the box reboots, and so it continues cycling... Only option I know of as of now is reinstallation. OPT1 and OPT2 are equally configured except for running different standards, IPs and BSSIDs.

        As I'm not very experienced with pfSense, I do not know how to read logs in single user mode and such. If someone could give me some hints, I'd be able to provide some more info in the subject.

        Any ideas or hints? Am I missing something here?

        Meanwhile I will try pfSense v2.5.2

        Thanks!

        Best regards
        /T

        Issue present also in 2.5.2... So, this leaves me with the question; has anyone used a setup like this?

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        • C
          Circle 0 @Circle 0
          last edited by

          @circle-0 said in pfSense 2.6.0 kernel panics when activating second wifi interface and cycles:

          @circle-0 said in pfSense 2.6.0 kernel panics when activating second wifi interface and cycles:

          Greetings all!

          I'm quite new to pfSense and I just did a new install of pfSense 2.6.0 on a new Qotom i7 4500U, BIOS version 2.16.1243 (core 5.010). The box is also equipped with a wle200nx wifi card.

          Everything is running just fine, just up until the moment I activate my second wifi interface - OPT2 as 802.11na. OPT1 runs just fine as 802.11ng. When activating OPT2 I get a kernel panic and the box reboots, and so it continues cycling... Only option I know of as of now is reinstallation. OPT1 and OPT2 are equally configured except for running different standards, IPs and BSSIDs.

          As I'm not very experienced with pfSense, I do not know how to read logs in single user mode and such. If someone could give me some hints, I'd be able to provide some more info in the subject.

          Any ideas or hints? Am I missing something here?

          Meanwhile I will try pfSense v2.5.2

          Thanks!

          Best regards
          /T

          Issue present also in 2.5.2... So, this leaves me with the question; has anyone used a setup like this?

          OK, issue narrowed down to that it is not possible to mix two standards eg. 802.11ng and 802.11na...Using the very same standard on the two interfaces but different channels and such seems to work...

          bingo600B stephenw10S 2 Replies Last reply Reply Quote 0
          • bingo600B
            bingo600 @Circle 0
            last edited by

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            • stephenw10S
              stephenw10 Netgate Administrator @Circle 0
              last edited by

              @circle-0 said in pfSense 2.6.0 kernel panics when activating second wifi interface and cycles:

              it is not possible to mix two standards eg. 802.11ng and 802.11na...

              Exactly that. There is only one radio so it cannot run as 2.4GHz and 5GHz. You would need two wifi cards to do that.
              But you would be better off, in almost every way, using an external access point.

              Steve

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              • stephenw10S stephenw10 moved this topic from General pfSense Questions on
              • C
                Circle 0 @stephenw10
                last edited by

                @stephenw10 said in pfSense 2.6.0 kernel panics when activating second wifi interface and cycles:

                @circle-0 said in pfSense 2.6.0 kernel panics when activating second wifi interface and cycles:

                it is not possible to mix two standards eg. 802.11ng and 802.11na...

                Exactly that. There is only one radio so it cannot run as 2.4GHz and 5GHz. You would need two wifi cards to do that.
                But you would be better off, in almost every way, using an external access point.

                Steve

                Makes sense! =P Well, I don't know...perhaps a routine within pfSense should check settings that are technically contradictable? In my case the only way for me to recover from this crash loop was a complete reinstall...Not knowing where to dig within pfSense in single user mode in order to reset the contradicting setting.

                Anyway, thanks! =)

                /T

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                • stephenw10S
                  stephenw10 Netgate Administrator
                  last edited by

                  Hmm, trying to replicate this and failing. Did you actually set a different channel in the 5GHz range in the na VAP?

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                  • stephenw10S
                    stephenw10 Netgate Administrator
                    last edited by

                    Are you actually hitting this?: https://redmine.pfsense.org/issues/12828

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                    • C
                      Circle 0 @stephenw10
                      last edited by

                      @stephenw10 said in pfSense 2.6.0 kernel panics when activating second wifi interface and cycles:

                      Are you actually hitting this?: https://redmine.pfsense.org/issues/12828

                      Both yes and no...I guess. I only have one wifi card able to do either 2.4GHz or 5GHz, however not both at the same time. For some reason pfSense allowed me to setup one interface with 2.4GHz and another with 5GHz. When applying the setting on the second one (5GHz) the crash cycling starts.

                      But now that I've setup three interfaces with different SSIDs, they all seem to follow suite when I change standard. Thus, when the standard is changed, it is changed in all interfaces. Perhaps this is the expected behaviour? I'm not sure as I'm pretty new to pfSense.

                      Just let me know if you need more info.

                      Have a nice day!

                      Thanks!
                      /T

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                      • C
                        Circle 0 @stephenw10
                        last edited by

                        @stephenw10 said in pfSense 2.6.0 kernel panics when activating second wifi interface and cycles:

                        Hmm, trying to replicate this and failing. Did you actually set a different channel in the 5GHz range in the na VAP?

                        I was doing the config under "Common Wireless Configuration - Settings apply to all wireless networks on ath0" where I was able to set "ng" on OPT1 and "na" on OPT2. When hitting Apply changes for OPT2 both pfSense 2.5.2 and 2.6.0 crashes hard and cycles.

                        /T

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                        • stephenw10S
                          stephenw10 Netgate Administrator
                          last edited by

                          Mmm, the settings should be common so should change for all when you set them. Or at least that's what I expect to happen. The number of people running wifi with multiple VAPs in pfSense is... small!
                          I tried to replicate this using a WLE200NX card in an SG-2100 but could not make it panic. It allowed me to set dual standards/frequencies and even appeared to be broadcasting both but of course only one is actually functional.
                          I did find a couple of other bugs but neither would cause a panic.

                          Steve

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