Ruby threaded application suddenly stops working at 100% CPU

Hello all,

For ages, I’ve been using the attached script to control songs played
via MPD (found it on the Internet) – I’ve used rubygems to install
these libraries – and they’ve not changed in ages. In a recent
upgrade (using Debian Sid) the program now doesn’t work – and
consumes 100% CPU and does nothing.

The program is supposed to create a systray icon, and when clicked
launched ncmpc in an rxvt-unicode window. This was working fine –
until I did a usual apt-get dist-upgrade and now it’s not working.

Would someone have any ideas how to go about debugging this?
Attaching strace to the process doesn’t reveal anything useful – and
perhaps there’s some ruby-specific debug tools I can use to address
this instead – I am not sure.

Any help greatly appreciated. The version of ruby I am using is:

% ruby --version
ruby 1.8.7 (2009-06-12 patchlevel 174) [i486-linux]

David

Any help greatly appreciated. The version of ruby I am using is:

% ruby --version
ruby 1.8.7 (2009-06-12 patchlevel 174) [i486-linux]

Odd.
http://redmine.ruby-lang.org/issues/show/1484
might be related [?]r

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