Thanks for the report. See below for comments.

On 2012-05-10T07:06:46-0000, Alex Popovskiy <997...@bugs.launchpad.net> wrote:
> munin plugin sensors_ broken, throws errors like this:
> 2012/05/10-10:00:04 [29737] Error output from sensors_fans:
> 2012/05/10-10:00:04 [29737]     Use of uninitialized value in concatenation 
> (.) or string at /etc/munin/plugins/sensors_fans line 266.
> 2012/05/10-10:00:04 [29737]     Use of uninitialized value in concatenation 
> (.) or string at /etc/munin/plugins/sensors_fans line 267.
> 2012/05/10-10:00:04 [29737]     Use of uninitialized value in concatenation 
> (.) or string at /etc/munin/plugins/sensors_fans line 268.
> 2012/05/10-10:00:04 [29737]     Use of uninitialized value in regexp 
> compilation at /etc/munin/plugins/sensors_fans line 272.
> 2012/05/10-10:00:04 [29737] Error output from sensors_fans:
> 2012/05/10-10:00:04 [29737]     Use of uninitialized value in regexp 
> compilation at /etc/munin/plugins/sensors_fans line 284.
> 2012/05/10-10:00:04 [29737] Error output from sensors_temperatures:
> 2012/05/10-10:00:04 [29737]     Use of uninitialized value in concatenation 
> (.) or string at /etc/munin/plugins/sensors_temperatures line 266.
> 2012/05/10-10:00:04 [29737]     Use of uninitialized value in concatenation 
> (.) or string at /etc/munin/plugins/sensors_temperatures line 267.
> 2012/05/10-10:00:04 [29737]     Use of uninitialized value in concatenation 
> (.) or string at /etc/munin/plugins/sensors_temperatures line 268.
> 2012/05/10-10:00:04 [29737]     Use of uninitialized value in regexp 
> compilation at /etc/munin/plugins/sensors_temperatures line 272.
> 2012/05/10-10:00:04 [29737] Error output from sensors_temperatures:
> 2012/05/10-10:00:04 [29737]     Use of uninitialized value in regexp 
> compilation at /etc/munin/plugins/sensors_temperatures line 284.

I'm not sure about this one. I'd have to see your 'sensors' output.
Also, you could try the plugin from trunk, as there appear to be some
differences between the 1.4 branch and trunk:
http://munin-monitoring.org/browser/trunk/plugins/node.d.linux/iostat_ios.in#L35

> munin plugin diskstats broken:
> 2012/05/09-07:15:03 [27035] Error output from diskstats:
> 2012/05/09-07:15:03 [27035]     Byte order is not compatible at 
> /usr/lib/perl/5.14/Storable.pm line 416, at /etc/munin/plugins/diskstats line 
> 120
> 2012/05/09-07:15:03 [27035] Service 'diskstats' exited with status 255/0.

This was fixed in Bug #872217, but you still have to remove that state
file, as mentioned as the workaround in the bug report. Then the
errors should disappear.

> munin plugin iostat broken:
> 2012/05/09-07:15:04 [27035] Error output from iostat_ios:
> 2012/05/09-07:15:04 [27035]     Byte order is not compatible at 
> /usr/lib/perl/5.14/Storable.pm line 379, at /etc/munin/plugins/iostat_ios 
> line 218
> 2012/05/09-07:15:04 [27035] Service 'iostat_ios' exited with status 25/0.

This might be fixed the same as the diskstats one. You might also
consider just disabling iostat_ios, since diskstats makes it
redundant; see Bug #919429 for that discussion. It is marked legacy in
the latest version upstream:
http://munin-monitoring.org/browser/trunk/plugins/node.d.linux/iostat_ios.in#L35

-- 
Kenyon Ralph

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https://bugs.launchpad.net/bugs/997497

Title:
  Multiple plugins broken after upgrade to Precise

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