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Author Topic: Firebrick FB2700 - disappearing USB ‘dongle’  (Read 399 times)

Weaver

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Firebrick FB2700 - disappearing USB ‘dongle’
« on: April 22, 2019, 04:19:46 AM »

I have a Huawei USB 3G NIC fitted in my Firebrick FB2700 router for failover-backup. Supplied by A&A.

It disappeared at around 10:00 UTC on Sunday morning. Now there is no USB device shown in the ‘dongle status’ info.

This has happened several times before but it could easily take a couple of months wait to reproduce it. On earlier occasions, I rebooted the Firebrick and then the USB NIC was shown and was working as normal.

It would seem that I unwittingly wiped out valuable information when I rebooted the brick so I won’t do that this time until someone has had a chance to look at it.

This is clearly a bug, but I’m not sure exactly where. If there is something naughty going on in the USB NIC then there needs to be a workaround in the Firebrick to handle the failure and reinitialise it. Because after all, the Firebrick knows or can know that there is a failure. If it thinks that the hardware has been physically removed then it can try reinitialising it anyway, just on the off chance.

Has anyone got any ideas?
« Last Edit: April 22, 2019, 08:30:05 AM by Weaver »
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burakkucat

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Re: Firebrick FB2700 - disappearing USB ‘dongle’
« Reply #1 on: April 22, 2019, 03:20:11 PM »

I have a Huawei USB 3G NIC fitted in my Firebrick FB2700 router for failover-backup. Supplied by A&A.

It disappeared at around 10:00 UTC on Sunday morning. Now there is no USB device shown in the ‘dongle status’ info.

This has happened several times before but it could easily take a couple of months wait to reproduce it. On earlier occasions, I rebooted the Firebrick and then the USB NIC was shown and was working as normal.

It would seem that I unwittingly wiped out valuable information when I rebooted the brick so I won’t do that this time until someone has had a chance to look at it.

I would suggest that the best persons to take a look would be either Firebrick support or A&A support. Remote access would, of course, be required.
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Weaver

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Re: Firebrick FB2700 - disappearing USB ‘dongle’
« Reply #2 on: April 22, 2019, 03:43:59 PM »

Agreed. Have emailed A&A.

Wondered if anyone else had seen this.

Am I right in calling this a bug? Even if something bad happened on the network or there was some bug in the Huawei device, is it fair to say that the FB2700 should ‘just handle it’? - doing a workaround even, as necessary.
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burakkucat

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Re: Firebrick FB2700 - disappearing USB ‘dongle’
« Reply #3 on: April 22, 2019, 04:13:06 PM »

I would hope that the Firebrick could handle the "mishap", in one way or another.  :-\
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andrew-AAISP

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Re: Firebrick FB2700 - disappearing USB ‘dongle’
« Reply #4 on: April 22, 2019, 05:07:26 PM »

Are you on s/w version 1.51.010?

There was a fix in that which may help.
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Weaver

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Re: Firebrick FB2700 - disappearing USB ‘dongle’
« Reply #5 on: April 22, 2019, 05:31:40 PM »

Afraid I already was on that release?
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Chrysalis

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Re: Firebrick FB2700 - disappearing USB ‘dongle’
« Reply #6 on: April 23, 2019, 02:31:08 PM »

yeah I hope you and aaisp can figure it out as I think you are the only one on here weaver that has used firebrick.
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Weaver

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Re: Firebrick FB2700 - disappearing USB ‘dongle’
« Reply #7 on: April 24, 2019, 02:15:34 AM »

@Chrysalis I seem to recall that at one time we had other Firebrick users in our number, perhaps I’m imagining it though. Burrakucat has an earlier model Firebrick somewhere around, maybe not right next to his cat-bed.

I suspect A&A staff have been run off their feet what with needing to catch-up after the long break in England and I’m far far from critical, but haven’t heard back from a human yet. Which is fine, give them time, let them get on with the important stuff and people who are actually down, and then let them get their breath back.
« Last Edit: April 24, 2019, 02:18:01 AM by Weaver »
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Hibbard

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Re: Firebrick FB2700 - disappearing USB ‘dongle’
« Reply #8 on: April 24, 2019, 08:49:43 AM »

The USB code has always been rather unreliable as the device eventually becomes unresponsive only pulling and re-inserting the USB kicks it back into life.

I gave up on it personally.
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vic0239

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Re: Firebrick FB2700 - disappearing USB ‘dongle’
« Reply #9 on: April 24, 2019, 08:52:07 AM »

^^^ Ditto.
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burakkucat

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Re: Firebrick FB2700 - disappearing USB ‘dongle’
« Reply #10 on: April 24, 2019, 03:32:24 PM »

@Chrysalis I seem to recall that at one time we had other Firebrick users in our number, perhaps I’m imagining it though.

There are other users of Firebrick devices . . . I'm just having a problem in remembering exactly who. Ah, yes, Ixel has a FB2900, the current device and, from their responses, I presume both Hibbard & vic0239 are also Firebrick owners.

Quote
Burrakucat has an earlier model Firebrick somewhere around, maybe not right next to his cat-bed.

Yes, correct. I have a second generation FB105, stored in the grotto, for special use cases. (Such as performing a cat-in-the-middle interception of data flowing through an Ethernet link.)

My understanding --
  • Firebrick SoHo, first generation.
  • FB105, second generation.
  • FB2500, third generation.
  • FB2700, fourth generation.
  • FB2900, fifth generation.
The first to fourth generation Firebricks are now termed legacy devices.
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Weaver

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Re: Firebrick FB2700 - disappearing USB ‘dongle’
« Reply #11 on: April 24, 2019, 04:23:41 PM »

Is it something internal to the USB device going wrong?

Whether it is or not, the Brick does know that badness has happened, because the device always disappears from the usb hardware tree displayed in ‘dongle status’. So, thank goodness, the FB2700 has in fact detected the problem but just doesn’t have a sufficient quantity of clue to make it take some useful action. And, internal or not, the workaround would be to reinitialise the software module itself and reinitialise the brick hardware.

AA staff are looking into it for me anyway.
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