On Fri, May 02, 2014 at 12:22:30PM -0400, Vince Weaver wrote: > > I'll try the patch next. > > Meanwhile, can polling on a closed event cause problems with the reference > count? > > In my various failure traces there's always been a poll() active at the > time of crash, and I added some trace_printk()s and it looks like poll is > at least attempting to poll on the closed file descriptor that's causing > us problems.
In principle the vfs file refcounting should be responsible for that. But I'll go over it in a bit.
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