2011/9/11 Eric Wong <normalperson / yhbt.net>:
>
> Issue #5306 has been updated by Eric Wong.
>
> File 0001-thread.c-rb_thread_select-mark-original-fd_sets-prop.patch added
>
> Thanks for the straces, I was able to tell the EM pipe was stuck on a
> false-positive and calling a blocking read() on a pipe that had no data.
>
> Attached is a patch which should fix the issue, sorry for the bug :x

Your patch will break non linux platform. I can't apply it. :x