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

From: Orion Poplawski
Date: Tue Jun 11 2013 - 18:15:19 EST

Peter Hurley <peter <at>> 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?

I get this pretty frequently on my machine with rpmbuild -ba 2>&1 | tee.
I'd be happy to help to debug.

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