[Bug 665082] [NEW] bzr diff freezes; kill -9 doesn't kill it.

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Binary package hint: bzr

Bzr freezes on a repository and will not be terminated by ^C, ^Z, kill,
kill -1, or kill -9.

After that sequence of events, htop shows this:
PRI=20, NI=0, VIRT=108M, RES=21816, SHR=4456, S=D, CPU%=0.0 MEM%=0.5, TIME+=0:00.20
COMMAND=/usr/bin/python /usr/bin/bzr diff

$ ps -e -f | grep bzr
zzz      11536 10455  0 13:03 pts/0    00:00:00 /usr/bin/python /usr/bin/bzr diff
zzz      15607 10647  0 13:09 pts/1    00:00:00 grep bzr
$

Here's the output it produced (Some boring bits converted to elipses):
$ bzr diff
=== modified file 'predict.tex'
--- predict.tex	2010-10-21 11:46:43 +0000
+++ predict.tex	2010-10-21 22:28:27 +0000
@@ -42,10 +42,20 @@
 The speakers were 20-28 years old, born to monolingual parents,..., typically a week apart.
 
+The data was then segmented with a language-independent speech recognition system built with the HTK toolkit\cite{ZZZ}.  This system did not use any transcriptions or phonotactics for the segmentation.  It's grammar allows any transitions amongst \textbf{c} (consonant),
+\textbf{v} (vowel}, \textbf{m} (nasal/liquid), and \textbf{S} (silence) states except \textbf{S}$\Rightarrow$\textbf{S}.
...
+Roughly speaking, each \textbf{V} region corresponds to the core of a syllable, and \textbf{C} regions combine the final consonant(s) of one syllable with the initial consonant(s) of the next.
+
+\appendices
+\section{Automatic Segmentation}\label{app:seg}
 
 
 All data was orthographically transcribed.  ... was actually said.
 
-
-
-\end{document}
\ No newline at end of file
+\end{document}

^C^Z
^Z

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: bzr 2.2.1-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-22.35-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic x86_64
Architecture: amd64
Date: Fri Oct 22 13:04:58 2010
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
ProcEnviron:
 PATH=(custom, user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: bzr

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug maverick
-- 
bzr diff freezes; kill -9 doesn't kill it.
https://bugs.launchpad.net/bugs/665082
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