September 19, 20196 yr Starting around 15 hours ago my server log has been filled with these type of entries: Sep 18 22:45:45 Tower kernel: usb 2-1.3: USB disconnect, device number 117 Sep 18 22:45:45 Tower kernel: usb 2-1.3: new high-speed USB device number 118 using ehci-pci Sep 18 22:45:45 Tower kernel: hub 2-1.3:1.0: USB hub found Sep 18 22:45:45 Tower kernel: hub 2-1.3:1.0: 2 ports detected Sep 18 22:47:07 Tower kernel: usb 2-1.3: USB disconnect, device number 118 Sep 18 22:47:07 Tower kernel: usb 2-1.3: new high-speed USB device number 119 using ehci-pci Sep 18 22:47:08 Tower kernel: hub 2-1.3:1.0: USB hub found Sep 18 22:47:08 Tower kernel: hub 2-1.3:1.0: 2 ports detected Sep 18 22:48:07 Tower kernel: usb 2-1.3: USB disconnect, device number 119 Sep 18 22:48:08 Tower kernel: usb 2-1.3: new high-speed USB device number 120 using ehci-pci Sep 18 22:48:08 Tower kernel: hub 2-1.3:1.0: USB hub found Sep 18 22:48:08 Tower kernel: hub 2-1.3:1.0: 2 ports detected Sep 18 22:49:03 Tower kernel: usb 2-1.3: USB disconnect, device number 120 Sep 18 22:49:03 Tower kernel: usb 2-1.3: new high-speed USB device number 121 using ehci-pci Sep 18 22:49:03 Tower kernel: hub 2-1.3:1.0: USB hub found Sep 18 22:49:03 Tower kernel: hub 2-1.3:1.0: 2 ports detected Sep 18 22:50:25 Tower kernel: usb 2-1.3: USB disconnect, device number 121 Sep 18 22:50:25 Tower kernel: usb 2-1.3: new high-speed USB device number 122 using ehci-pci Sep 18 22:50:25 Tower kernel: hub 2-1.3:1.0: USB hub found Sep 18 22:50:25 Tower kernel: hub 2-1.3:1.0: 2 ports detected Sep 18 22:51:16 Tower kernel: usb 2-1.3: USB disconnect, device number 122 Sep 18 22:51:16 Tower kernel: usb 2-1.3: new high-speed USB device number 123 using ehci-pci Sep 18 22:51:16 Tower kernel: hub 2-1.3:1.0: USB hub found Sep 18 22:51:16 Tower kernel: hub 2-1.3:1.0: 2 ports detected Sep 18 22:52:06 Tower kernel: usb 2-1.3: USB disconnect, device number 123 Sep 18 22:52:07 Tower kernel: usb 2-1.3: new high-speed USB device number 124 using ehci-pci Sep 18 22:52:07 Tower kernel: hub 2-1.3:1.0: USB hub found Sep 18 22:52:07 Tower kernel: hub 2-1.3:1.0: 2 ports detected Over the same time period the fan on my server (HP Proliant Gen 8 Microserver) has been ramping up every few minutes, where it then runs at full speed for between 30 and 90s before dropping back to normal levels. The only USB device I have connected to the server is the USB stick running unraid. As far as I can tell everything seems to be running fine, temps are OK, disk access seems normal, there hasn't been undue CPU load. This started spontaneously at about 8am. tower-syslog-20190919-0008.zip I've rebooted and after starting the array the problem persists. Syslog after reboottower-syslog-20190919-0008.ziptower-syslog-20190919-0008.zip is attached to this post. Any idea what might be causing this and how I can resolve it? Thanks
September 21, 20196 yr Author I'm still suffering this issue. I tried an OS downgrade then upgrade to see if it resolved it but no joy. Can anyone help? Thanks
September 24, 20196 yr Author OK, thanks Squid. Diagnostics attached. tower-diagnostics-20190924-0958.zip
September 26, 20196 yr Author No, it's USB 2. I don't think the issue is with the unraid USB stick anyway as the OS functions apparently normally throughout. Edited September 26, 20196 yr by be4con
September 26, 20196 yr First thing I'd do is remove your add on USB controller card (Hard to tell exactly if it's integrated on the mobo or not) and see if the problem goes away.
September 27, 20196 yr Community Expert I had a very similar issue with a vantec usb card when I first installed Unraid. I think it was this one: https://www.vantecusa.com/products_detail.php?p_id=194&p_name=Dual+Chip+4-Port+Dedicated+10Gbps+USB+3.1+Gen+2+PCIe+Host+Card&pc_id=16&pc_name=USB&pt_id=4&pt_name=Add-on+Cards
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