July 18, 20232 yr Hi Unraid fam, I'm new here but I've been an Unraid user for a long time. It hasn't given me the slightest trouble for years though, so I'm very new to troubleshooting. I'm encountering an crash of sorts. When it happens all VMs and Docker containers stop and when I log into the console, it shows processor is pinned at 100%. I've tried running in safe mode without any VMs or Docker containers running, and it will still occur after a few days. While I can usually log into the webgui once after this has happened, once I can confirm that the CPU is pinned, I can usually not navigate further or restart the system without physically hitting reset on the host. This has been happening every few days for a couple weeks and I'm getting nervous about my storage. I'm on 6.12.2 currently, but I believe it started before I updated here from 6.11.something. Edited July 18, 20232 yr by dellcole
July 18, 20232 yr Community Expert Attach diagnostics to your NEXT post in this thread. Setup syslog server
August 1, 20232 yr Author Thanks for the syslog info, that's very helpful. Crashed a few times since I posted originally, but I hadn't setup syslog properly. Finally I have it working and it crashed this morning. This morning I caught the crash at 6:54 and everything after 6:57 is the reboot I think. Thanks again for taking a look. syslog.txt
August 3, 20232 yr Community Expert On 7/18/2023 at 1:18 PM, trurl said: Attach diagnostics to your NEXT post in this thread. Diagnostics give a lot more information to help make sense of syslog, your hardware, and configuration. I often don't look at syslog until I have looked at other things in diagnostics.
August 3, 20232 yr Author Sorry, I swear I can ready. Just got carried away with the syslog thing. I believe this is what you wanted... unraid-diagnostics-20230803-1621.zip
August 4, 20232 yr Community Expert Were you experiencing the issue when these diags were saved? Not seeing anything out of the ordinary, you should also update to v6.12.3
August 4, 20232 yr Community Expert Solution Maybe not the cause of crash, but you seem to have a problem with the flash drive. Aug 1 06:57:45 UnRaid kernel: critical medium error, dev sda, sector 15629312 op 0x0:(READ) flags 0x84700 phys_seg 29 prio class 2 Do you have a backup of flash?
August 4, 20232 yr Author 6 minutes ago, JorgeB said: Were you experiencing the issue when these diags were saved? Not seeing anything out of the ordinary, you should also update to v6.12.3 I was not having the issue when I took those. When it happens I usually can't navigate the webgui at all.
August 4, 20232 yr Author 2 minutes ago, trurl said: Maybe not the cause of crash, but you seem to have a problem with the flash drive. Aug 1 06:57:45 UnRaid kernel: critical medium error, dev sda, sector 15629312 op 0x0:(READ) flags 0x84700 phys_seg 29 prio class 2 Do you have a backup of flash? Oh, that would be simple. Flash is the USB drive Unraid boots from right? I could buy another. Fresh install and copy config would work right?
August 4, 20232 yr Community Expert 1 minute ago, dellcole said: Fresh install and copy config would work right? Yes, you should try with the current flash drive first or you will have to do a license transfer to a new one.
August 4, 20232 yr Author Is a license transfer simple? That USB has been doing this job for...almost 10 years? Might be time to replace.
August 4, 20232 yr Community Expert https://docs.unraid.net/unraid-os/manual/changing-the-flash-device/
August 16, 20232 yr Author Thanks for the help! It's been stable for a while with a new USB, I just thought I'd update.
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