BASH "command typing" problem

[arnuld]

i am running Arch Duke. sometimes i have problem with BASH on it. 
whenever i type something really long it does not go to the end of the
screen, instead the cursor just goes off to the beginning of the line e.g.:

[arnuld@arch ~ $] cp -v songs/rock/Alice_Cooper/* 
songs/Classic_Rock/Alice_Cooper

if i type that line then in 70% of the cases, the line does not  go to the
end of the terminal, rather when i reach in the middle of the terminal the
cursor there slips off to the very-beginning of the terminal -
[arnuld@arch ~$]" - and starts to overwrite things there. when i hit
"Enter" then command runs fine but i can't see what command i typed in
because the typing starts from the beginning automatically. e.g. it looks
like this:

_Cooper@arch ~ $] cp -v songs/rock/Alice_Cooper/* songs/Classic_Rock/Alice

[arnuld@arch ~ $] cp -v songs/rock/Alice_Cooper/* 
songs/Classic_Rock/Alice_Cooper

compare the two commands. it is because cursor just slipped-off to the
beginning and it overwrote the "[arnuld"

this does not happen when my login shell is ZSH. what could be the
problem... a BASH bug ?



-- 
-- http://arnuld.blogspot.com