Hi,
        
        I experience a similar problem and ended up restarting the
        service once a week. With this hack, metrics shows it online all
        the time and I get connections. There were no traces in the logs
        either.
        BTW: I am running 0.4.6.8 on FreeBSD. I someone want's to guide
        me how to analyze this further I am happy to help.
        
        Cord
        
        On 06.01.2022 19:52, Eddie wrote:
      
      
        
        This has now happened again, on the same bridge, showing
        off-line to the metrics, but the logs showing it running with
        activity taking place.
        
        Guess I'll keep an eye on the metrics to see if it pops back to
        available.
        
        I'm wondering how often this might be happening, because I don't
        check the metrics that often and the instance documented below
        didn't change the Uptime or Last Restart to indicate anything
        had happened.  So unless I notice while it's in this state, like
        now, I have no way of knowing if it happens regularly or not.
        
        Cheers.
        
        
        
        
        On 10/14/2021 12:11 PM, Eddie
          wrote:
        
        
          
          On 10/14/2021 2:44 AM, Bleedangel Tor Admin wrote:
          
            
            You are running 0.4.5.8, maybe updating to a newer version
            of tor will help?
            
            
            
              Sent from ProtonMail for iOS
             
            
            
            
            
            On Thu, Oct 14, 2021 at 03:02, Georg Koppen <gk@xxxxxxxxxxxxxx>
            wrote:
             Eddie:
              > Looking at tor metrics, one of my bridges is showing
              as off-line:
              > B080140DC1BAB5B86D1CE5A4CA2EF64F20282440
              >
              > However, the log isn't showing any issues:
              >
              > Oct 14 00:00:28.000 [notice] Tor 0.4.5.8 opening new
              log file.
              > Oct 14 00:00:28.000 [notice] Configured hibernation. 
              This interval
              > began at 2021-10-14 00:00:00; the scheduled wake-up
              time was 2021-10-14
              > 00:00:00; we expect to exhaust our quota for this
              interval around
              > 2021-10-15 00:00:00; the next interval begins at
              2021-10-15 00:00:00
              > (all times local)
              > Oct 14 01:49:40.000 [notice] Heartbeat: Tor's uptime
              is 124 days 6:00
              > hours, with 0 circuits open. I've sent 907.23 GB and
              received 922.28 GB.
              > I've received 63052 connections on IPv4 and 8375 on
              IPv6. I've made
              > 512684 connections with IPv4 and 100974 with IPv6.
              > Oct 14 01:49:40.000 [notice] While not bootstrapping,
              fetched this many
              > bytes: 1801791624 (server descriptor fetch); 175792
              (server descriptor
              > upload); 221750347 (consensus network-status fetch);
              10974 (authority
              > cert fetch); 19905655 (microdescriptor fetch)
              > Oct 14 01:49:40.000 [notice] Heartbeat: Accounting
              enabled. Sent: 140.52
              > MB, Received: 140.69 MB, Used: 281.21 MB / 200.00 GB,
              Rule: sum. The
              > current accounting interval ends on 2021-10-15
              00:00:00, in 22:10 hours.
              > Oct 14 01:49:40.000 [notice] Heartbeat: In the last 6
              hours, I have seen
              > 14 unique clients.
              >
              > Initially I thought of a previous issue I had with
              IPv6 connectivity,
              > but don't think this is the problem here as the 2nd
              bridge on the same
              > server is showing on-line.  Also an IPv6 port scan
              shows the ports for
              > both bridges as accessible.
              >
              > Ideas ??
              
              I wonder whether that is another instance
              https://gitlab.torproject.org/tpo/core/tor/-/issues/40424.
              Hard to tell,
              though. Does that issue happen regularly?
              
              Georg
              
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          I didn't touch anything, and this morning the metrics say the
          bridge is running normally, with an uptime of over 125 days.
          
          Looks like it might have been a metrics issue, not the bridge
          itself.
          
          Cheers.
          
          
          
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