> With that Tramp version, I can reproduce a similar error (but another
> error message). The Changelog claims it is solved in Tramp 2.2.4. Maybe
> you give it a try, or you wait until the Tramp repository is merged into
> Emacs' trunk. This is stalled these days, until Emacs 24.1 has been
> released (or the trunk is reopened for fat merges like the one with Tramp).
Now I use 2.2.5-pre. The message is "Couldn't find exit status of `test
-e...'" whenever I try to open a remote file. But the next reopening of the
same file is ok.