cmannes Posted February 6, 2020 Share Posted February 6, 2020 I have a semi-regular occurrence, where streaming a lower-res (<720p) video via binhex-plexpass, causes my entire unraid server (6.8.2, although it occured in prior versions as well) to lock up and become completely unresponsive. Even a keyboard/mouse/monitor directly connected is unresponsive. I have to power-cycle the server. It's always come back fine, and everything works as expected. Till the next hard-lock. And while a 'fix' from the community would be nice, what I'd really like to find out, is how to triage the issue. I'm actually a 'FullStack' developer, so I've got experience in Docker & Linux. But for some reason the Unraid running from ram bit messes with my head, and I can't figure out where to start. :) So if anyone can offer a little guidance, I'd like to learn more and dig into what's going on. Thanks! Quote Link to comment
trurl Posted February 6, 2020 Share Posted February 6, 2020 Go to Tools-diagnostics and attach the complete Diagnostics zip file to your NEXT post. Also go to Settings, syslog server and configure it so you can get syslog from before reboot. Quote Link to comment
cmannes Posted February 10, 2020 Author Share Posted February 10, 2020 Okay, finally had it crash and kept the syslog. In the log I can see on 2/9 when I restarted the server around 20:40ish. Then at 01:00 there's a long sequence of Feb 10 01:00:06 Cube kernel: veth40a15f2: renamed from eth0 Feb 10 01:00:06 Cube kernel: docker0: port 1(veth5b405b7) entered disabled state Feb 10 01:00:06 Cube kernel: docker0: port 1(veth5b405b7) entered disabled state Feb 10 01:00:06 Cube kernel: device veth5b405b7 left promiscuous mode Feb 10 01:00:06 Cube kernel: docker0: port 1(veth5b405b7) entered disabled state I believe that's when my internet went out over night, so the various docker containers were complaining. Around 1:11 the internet came back, and then there's a gap in the log between 01:11 and 13:19 when it was restarted after it locked up around noon. Feb 10 01:11:26 Cube kernel: IPv6: ADDRCONF(NETDEV_CHANGE): vethb30dfd9: link becomes ready Feb 10 01:11:26 Cube kernel: docker0: port 10(vethb30dfd9) entered blocking state Feb 10 01:11:26 Cube kernel: docker0: port 10(vethb30dfd9) entered forwarding state Feb 10 13:19:16 Cube kernel: microcode: microcode updated early to revision 0x2f, date = 2019-02-17 Feb 10 13:19:16 Cube kernel: Linux version 4.19.98-Unraid (root@Develop) (gcc version 9.2.0 (GCC)) #1 SMP Sun Jan 26 09:15:03 PST 2020 Feb 10 13:19:16 Cube kernel: Command line: BOOT_IMAGE=/bzimage initrd=/bzroot Feb 10 13:19:16 Cube kernel: x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' The latest diagnostic is attached. In the meantime I disabled hardware acceleration in Plex, and am going to try to crash it later once the latest parity check completes. Thanks, cube-diagnostics-20200210-1650.zip Quote Link to comment
trurl Posted February 11, 2020 Share Posted February 11, 2020 The syslog included in diagnostics, and the syslog available in the webUI, are only since reboot. Get the syslog from wherever you have Syslog Server storing it, zip it, and post it. Quote Link to comment
cmannes Posted February 11, 2020 Author Share Posted February 11, 2020 So I installed Kiwi Syslog Service Manager on my PC. it's running on 192.168.40.154. In unraid I set "Local syslog server" "disabled" "remote syslog server" "192.168.40.154". I hit apply, and nothing ever shows in Kiwi. I checked the windows firewall, kiwi has full access tcp & udp. I did a ping both ways. And unraid & windows can see each other. I tried echo -n "test message" | nc -u -w1 192.168.40.154 514 And nothing. I switched unraid & kiwi to TCP. Tried echo -n "test message" | nc -w1 192.168.40.154 514 And nothing. So, what is the trick to getting unraid to save to a remote syslog? I searched this forum, and most articles are really old. I tried reddit, similar issues. No youtube videos. Quote Link to comment
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