Around March this year there was a thread on this mailing list “https://alioth-lists.debian.net/pipermail/nut-upsuser/2021-March/012332.html“.
I appear to be running into the exact same issue, so I was hoping there was some resolution I could borrow wisdom from. Within seconds of connecting the USB cable from a ProxMox 6 server (Kernel 5.4.128) to a Tripp Lite SU2200RTXLCD2U , the UPS triggers “OUTPUT OFF REMOTE SHUTDOWN” and…cuts off output. Amazingly, this stack (NUT + server + USB + TrippLite UPS) worked beautifully at first, but has exhibited this behavior ever since I tested with “upsmon -c fsd”, and persisted through reboots. Was there any resolution to the prior discussion I can borrow from? Any flag or setting I should check on NUT? I already loaded the newest available firmware on the TrippLite unit. If I tail the upsmon log(s) when I plug the UPS in, the shutdown happens before the driver recognizes the device, leading me to assume like the previous poster this is out in the kernel/USB system somewhere. Thanks, Aaron P Please consider the environment before printing this e-mail. ------------------------------------------------------------------------------------ Disclaimer This message may contain confidential information and is intended only for the individual(s) or entities named above. Any review, retransmission, dissemination, distribution, copying or other use of this information by persons or entities other than the intended recipient is prohibited. Please notify the sender immediately by e-mail if you have received this e-mail by mistake and delete this e-mail from any and all computers it may be stored on. No liability is accepted for any errors or omissions in the contents of this message which arise as a result of e-mail transmission. If verification is required, please request a hard-copy version. No liability is accepted for any damage caused by any virus transmitted by this e-mail. The recipient should check this e-mail and any attachments for the presence of viruses.
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