[Nut-upsuser] [EXTERNAL] Re: Tripp Lite SMART1500LCD repeatedly disconnecting and reconnecting

[Layne Fowler]

Thanks Marco, I may try this if I can't get David's udev rules to work.

On Mon, Dec 9, 2019 at 12:58 AM Marco Walther <marco at sonic.net> wrote:

> On 12/8/19 8:18 PM, David Zomaya wrote:
>
> I haven't tried it on RaspberryPi, but if there's some specific Tripp Lite
> information I can help with, let me know.
>
> We had that discussion about the SMART1500LCDT  & USB a long time ago:-(
> I bought mine in 2013 (still going strong on the second set of batteries)
> and in August 2016 we had some discussions about the USB disconnects.
>
>
> I now use an USB hub which can turn it's ports off via software commands
> and when my Linux box (Odroid X2 - ARM) looses the connection, it basically
> cycles the USB port of the UPS and then it can connect again.
>
>
> root at odroid-www:~/bin# cat check_ups.sh
> #!/bin/bash
>
> while true
> do
>     x=$(curl -s -o - '
> http://192.168.1.5:85/cgi-bin/nut/upsstats.cgi?host=tripplite@127.0.0.1:3493'
> | sed  's:<[^>]*>::g' | awk 'BEGIN {s = 0; } $1 == "Status:" { s = 1; next;
> } s == 1 { print $0; s = 0; }')
>
>     if [ "$x" != "ONLINE" ]
>     then
>         logger -p daemon.warning "Triplite is not offline, trying to
> restart USB"
>         /root/bin/hub-ctrl -b 001 -d 005 -P 1 -p 0
>         sleep 5
>         /root/bin/hub-ctrl -b 001 -d 005 -P 1 -p 1
>         sleep 30
>     else
>         sleep 300
>     fi
> done
>
>
> Not sure, if this is still the same problem. But I have my solution;-)
>
>
> -- Marco
>
>
>
> David Zomaya
>
> Tripp Lite
>
>
> ------------------------------
> *From:* Nut-upsuser
> <nut-upsuser-bounces+david_zomaya=tripplite.com at alioth-lists.debian.net>
> <nut-upsuser-bounces+david_zomaya=tripplite.com at alioth-lists.debian.net>
> on behalf of Charles Lepple <clepple at gmail.com> <clepple at gmail.com>
> *Sent:* Sunday, December 8, 2019 8:36 PM
> *To:* Layne Fowler
> *Cc:* nut-upsuser
> *Subject:* [EXTERNAL] Re: [Nut-upsuser] Tripp Lite SMART1500LCD
> repeatedly disconnecting and reconnecting
>
> This is an *EXTERNAL* email. Please take a moment and think before
> clicking any links or opening any attachments from this email. If
> suspicious, please forward to ishelpdesk at tripplite.com for review.
> ------------------------------
> On Dec 8, 2019, at 5:46 PM, Layne Fowler <layne.fowler at gmail.com> wrote:
>
>
> My UPS is connected to a Raspberry Pi by USB. After a few hours of
> working, the service fails. Looking at kernel messages I noticed that the
> device is repeatedly disconnecting and reconnecting.
>
> I have tried using a different USB port and using a brand new USB cable. I
> have not had success by changing config parameters like
> pollfreq/pollinterval/etc.
>
> What is causing the UPS to keep disconnecting?
>
>
> Not sure (it's a protocol issue lower than NUT), but does this post from
> Tripp Lite help the UPS automatically reconnect?
>
> https://alioth-lists.debian.net/pipermail/nut-upsuser/2019-June/011451.html
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__alioth-2Dlists.debian.net_pipermail_nut-2Dupsuser_2019-2DJune_011451.html&d=DwMFAg&c=f9s1WCuF-N6cmD_YaZ7gBg&r=lhr3k4au5dVQgHY_iS-v_t9g8PHVkn8Px_wyaupZGfQ&m=5bTj0FByjuC7ZwvwC7XsgqsH_kXRehDbkaYVEGxZrkQ&s=-Pz1JlSeu5vl0n4bXiBIaPW1nFRDro_yq3QvTTbwC5o&e=>
>
> (you may need to do some RedHat-to-Debian translation for some of the
> pathnames.)
>
>
> OS - Raspbian GNU/Linux 10 (buster)
> Kernel - 4.19.75-v7+
> Nut version - 2.7.4-8
> Installation method - From package
> UPS - Tripp Lite SMART1500LCD
>
>
> Thanks for including all of the version information.
> ------------------------------
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>
>
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