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Date: Mon, 21 Mar 2011 05:54:13 +0000 From: Al Viro <viro@...IV.linux.org.uk> To: Alexander Beregalov <a.beregalov@...il.com> Cc: Linux Kernel Mailing List <linux-kernel@...r.kernel.org> Subject: Re: 2.6.39-rc0: umount tmpfs hangs On Mon, Mar 21, 2011 at 08:30:23AM +0300, Alexander Beregalov wrote: > > rcu_barrier() hanging for some reason... ??I really wonder what's going > > on there - missing rcu_read_unlock()? ??Could you try to reproduce that > > sucker and, if possible, bisect it? > > Yes, it's reproducible, but I'm bisecting another issue and have few > more such issues with the current kernel. Could you post the reproducer? Simple mounting tmpfs and umount explicitly doesn't seem to trigger it; doing some IO on that fs doesn't change that, ditto for umount done by shutdown instead of doing it manually... -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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