Re: Strange intermittent EIO error when writing to stdout since v3.8.0

From: Mikael Pettersson
Date: Fri Jun 07 2013 - 14:25:35 EST

Peter Hurley writes:
> Based on the other reports from Mikael and David, I suspect this problem
> may have to do with my commit 699390354da6c258b65bf8fa79cfd5feaede50b6:
> pty: Ignore slave pty close() if never successfully opened
> This commit poisons the pty under certain error conditions that may
> occur from parallel open()s (or parallel close() with pending write()).
> It's unclear to me which error condition is triggered and how user-space
> got an open file descriptor but that seems the most likely. Is the problem
> reproducible enough that a debug patch would likely trigger?

In my case the problem occurred frequently enough that I've been forced
to change my build procedures to avoid it. I'd welcome a debug patch.
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