[Nut-upsuser] Tripp-Lite USB "REMOTE SHUTDOWN"

David Zomaya
Wed, 18 Aug 2021 11:39:59 -0000

Hi Aaron,

I actually have one of the units from back then now and investigation is
ongoing.

I don't have a quick fix for you at this point, but can you shoot me your
serial number and what firmware you loaded?

Thank you,
David Zomaya
Tripp Lite

david_zomaya at tripplite.com


________________________________
From: Nut-upsuser <nut-upsuser-bounces+david_zomaya=tripplite.com at
alioth-lists.debian.net> on behalf of Aaron Stewart <aaron.stewart at
baymaterials.com>
Sent: Tuesday, August 17, 2021 4:53:00 PM
To: nut-upsuser at alioth-lists.debian.net
Subject: [EXTERNAL] [Nut-upsuser] Tripp-Lite USB "REMOTE SHUTDOWN"

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________________________________
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.


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