I'm on Gutsy, and I managed to follow the repro steps. For me, it simply looked like the prompt was hanging, but once I typed a command and hit Enter, it executed, and revealed the previous prompt when the window scrolled.
era@indeed:~$ mkdir -p /tmp/test/c\\c
era@indeed:~$ cd /tmp/test/c\\c
<U+001B>]0;era@indeed: /tmp/test/cera@indeed:/tmp/test/c\c$ ech ohellos
bash: ech: command not found
<U+001B>]0;era@indeed: /tmp/test/cera@indeed:/tmp/test/c\c$ echo hellos
hellos
<U+001B>]0;era@indeed: /tmp/test/cera@indeed:/tmp/test/c\c$ cd -
/home/era
era@indeed:~$ cd -
/tmp/test/c\c
<U+001B>]0;era@indeed: /tmp/test/cera@indeed:/tmp/test/c\c$ cd -
/home/era
era@indeed:~$ bash --version
GNU bash, version 3.2.25(1)-release (i486-pc-linux-gnu)
Copyright (C) 2005 Free Software Foundation, Inc.
era@indeed:~$
I'm on Gutsy, and I managed to follow the repro steps. For me, it simply looked like the prompt was hanging, but once I typed a command and hit Enter, it executed, and revealed the previous prompt when the window scrolled.
era@indeed:~$ mkdir -p /tmp/test/c\\c ]0;era@ indeed: /tmp/test/ cera@indeed: /tmp/test/ c\c$ ech ohellos ]0;era@ indeed: /tmp/test/ cera@indeed: /tmp/test/ c\c$ echo hellos ]0;era@ indeed: /tmp/test/ cera@indeed: /tmp/test/ c\c$ cd - ]0;era@ indeed: /tmp/test/ cera@indeed: /tmp/test/ c\c$ cd -
era@indeed:~$ cd /tmp/test/c\\c
<U+001B>
bash: ech: command not found
<U+001B>
hellos
<U+001B>
/home/era
era@indeed:~$ cd -
/tmp/test/c\c
<U+001B>
/home/era
era@indeed:~$ bash --version
GNU bash, version 3.2.25(1)-release (i486-pc-linux-gnu)
Copyright (C) 2005 Free Software Foundation, Inc.
era@indeed:~$