Bug#315431: nut: mge-utalk stopped working with ESV8+ after upgrade

[arnaud . quette]

Hi Roberto,

 After upgrading nut to 2.0.1-3, mge-utalk driver does not work anymore:
 ...

I've added a patch in 2.0.2[-pre1] that enhance support for
older MGE units, such as your ESV8+. To be sure, I've just
retested the final 2.0.2 with a ESV11+, and it worked fine.

I'm currently finishing to prepare 2.0.2 packages.
Meanwhile, you can also try MGE PSP for Linux,
which is a GUI based upon NUT. For more info :
http://www.mgeups.com/products/pdt230/software/sp97/solpaclinux.htm

Arnaud Quette
---
Linux / Unix Expert - MGE UPS SYSTEMS - RD Dpt
OpenSource Developer - http://arnaud.quette.free.fr/
Debian Developer - http://people.debian.org/~aquette/
... and much more ...


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Bug#315431: nut: mge-utalk stopped working with ESV8+ after upgrade

[Roberto Lumbreras]

Package: nut
Version: 2.0.1-3
Severity: normal


After upgrading nut to 2.0.1-3, mge-utalk driver does not work anymore:

[EMAIL PROTECTED]:~# /lib/nut/mge-utalk -a mge
Network UPS Tools - MGE UPS SYSTEMS/U-Talk driver 0.81.0 (2.0.1)
Could not get multiplier table: using raw readings.
updateinfo: Cannot update system status

with -D a bunch of debug output (and I think useless) is displayed, but
no hint about the updateinfo error. If you need some debug output just
ask.

With strace I see a lot of EAGAIN:

...
17976 write(4, s, 1)  = -1 EAGAIN (Resource temporarily 
unavailable)
17976 write(2, Bypass Stat Ai\n, 17) = 17
17976 ioctl(4, TCFLSH, 0)   = 0
17976 write(4, S, 1)  = -1 EAGAIN (Resource temporarily 
unavailable)
17976 write(2, Syst Stat Ai\n, 15)  = 15
17976 ioctl(4, TCFLSH, 0)   = 0
17976 write(4, B, 1)  = -1 EAGAIN (Resource temporarily 
unavailable)
17976 write(2, Batt Stat Ai\n, 15)  = 15
...

UPS is a serial MGE Pulsar ESV8+ (mge-utalk driver)
I'm using a usb-serial dongle to connect it.

Going back to nut 1.4.3-2 (mge-utalk driver 0.81.0) it works ok.

Regars,
Roberto Lumbreras

-- System Information:
Debian Release: 3.1
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: i386 (i686)
Kernel: Linux 2.6.8-2-k7
Locale: [EMAIL PROTECTED], [EMAIL PROTECTED] (charmap=ISO-8859-15)

Versions of packages nut depends on:
ii  adduser 3.63 Add and remove users and groups
ii  debconf [debconf-2.0]   1.4.49   Debian configuration management sy
ii  libc6   2.3.2.ds1-22 GNU C Library: Shared libraries an

-- debconf information:
  nut/change_system_user:
  nut/major_conf_changes:
  nut/major_upstream_changes:
  nut/remove_debian_conf:
  nut/2_0_upstream_changes:


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