[Nut-upsuser] Communications with UPS lost: No status from UPS

[Fabio Cecamore]

Updated to the last (in the testing debian repository) available: 2.6.4
This time using blazer_ser in debug i find:

363.373978    read: '(233.9 140.0 233.9 006 49.8 13.7 30.7 00001001'
365.162745    send: 'Q1'
366.163904    read: timeout
366.163991    blazer_status: short reply
366.164013    Communications with UPS lost: status read failed!
367.163804    send: 'Q1'
367.378009    read: '(234.3 140.0 234.3 006 49.4 13.7 30.7 00001001'

But this time in syslogd.log no error.. i’ll check more and will let you know.
(nice to see an other android user)

From: Arnaud Quette 
Sent: Thursday, September 06, 2012 8:04 PM
To: Fabio Cecamore 
Cc: NUT Users 
Subject: Re: [Nut-upsuser] Communications with UPS lost: No status from UPS

Hi Fabio

Please keep the list copied.
It is indeed worth updating to 2.6.5 and retry blazer, in case a fix is needed.

Cheers
Arnaud
(sent from my S3... please excuse my brevity)

Le 6 sept. 2012 16:58, "Fabio Cecamore" <ceca_89 at hotmail.com> a écrit :

  Dear Arnaud, thanks for your fast reply.
  I’m using 2.4.3 version of nut package and if is necessary i can update, but..
  i yet tryied to use blazer driver but i have the same problem:

  Aug 30 09:22:34 ProLiant blazer_ser[1084]: Communications with UPS lost: status read failed!
  Aug 30 09:22:35 ProLiant blazer_ser[1084]: Communications with UPS re-established 

  Do you think updating nut is the right way too ?
  Thank you again.
  Bye

  From: Arnaud Quette 
  Sent: Thursday, September 06, 2012 4:52 PM
  To: Fabio Cecamore 
  Cc: nut-upsuser at lists.alioth.debian.org 
  Subject: Re: [Nut-upsuser] Communications with UPS lost: No status from UPS

  Hi Fabio


  2012/9/6 Fabio Cecamore <ceca_89 at hotmail.com>

    Hello,
    i've a problem, this is my configuration:
    - Atlantis Land UPS with serial port
    - a generic RS232 to USB cable adapter (QinHeng Electronics HL-340 
    USB-Serial adapter for linux).

    The problem is in the syslog file where i find:
    [...]
    Aug 19 09:07:25 ProLiant megatec[1126]: Communications with UPS lost: No 
    status from UPS.
    Aug 19 09:07:26 ProLiant megatec[1126]: Communications with UPS 
    re-established
    Aug 19 09:09:36 ProLiant megatec[1126]: Communications with UPS lost: No 
    status from UPS.
    Aug 19 09:09:36 ProLiant megatec[1126]: Communications with UPS 
    re-established
    [...]

    and using the driver (blazer_ser or megatec, is the same) in debug mode i 
    read:

    0.000000 debug level is '12'
    0.037842 DTR=1, RTS=0
    0.041830 send_to_all: SETINFO device.type "ups"
    0.041906 send_to_all: SETINFO driver.version "2.4.3"
    0.041924 send_to_all: SETINFO driver.version.internal "1.6"
    0.041942 send_to_all: SETINFO driver.name "megatec"
    [........]
    413.251768 Asking for UPS status [Q1]...
    415.854720 Q1 => FAILED [timeout]
    415.854786 Poll failure [1].
    415.854803 Communications with UPS lost: No status from UPS.
    415.854825 Asking for UPS status [Q1]...
    416.455619 Q1 => OK [(229.8 140.0 229.8 004 49.8 13.6 30.7 00001001]
    416.455723 Q1 VALUES => [229.8 140.0 229.8 4.0 49.8 13.6 30.7 00001001]
    416.455739 Communications with UPS re-established
    416.455766 send_to_all: SETINFO input.voltage "229.8"
    416.455791 send_to_all: SETINFO output.voltage "229.8"
    416.455813 send_to_all: SETINFO input.frequency "49.8"
    [........]

    with a infinite loop of this timeout.
    What can be the problem ?

  this old megatec driver, which has since been replaced by blazer, was not as flexible when it comes to transient communication errors.
  thus, it was syslog'ing every such failures, and declaring staleness more quickly.

  you should consider updating to a more recent NUT version, such as 2.6.5, along with moving to the blazer drivers.

  cheers,
  Arnaud
  -- 
  Linux / Unix / Opensource Engineering Expert - Eaton - http://opensource.eaton.com
  Network UPS Tools (NUT) Project Leader - http://www.networkupstools.org
  Debian Developer - http://www.debian.org
  Free Software Developer - http://arnaud.quette.fr

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