Re: cp giving input/output error

[Paul Eggert]

"Campbell Smith, Peter" <address@hidden> writes:

> I am trying to copy a file using cp, and cp consistently returns status 256 
> and error message 'input/output error'.  It also takes much longer than I 
> would expect -- about 30 seconds -- and produces the error message at the end 
> of that time.

What does 'strace -o trace.tr cp old new' say?  The trace.tr file will
tell you which system call is failing.  Newer versions of 'cp' are a
bit more careful about checking system call status, so that might
explain why your older 'cp' didn't complain.