linux-kernel - Re: frequent softlockups with 3.10rc6.

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Message-ID: <CA+55aFze-=6e_P1syCs=3b6-xj-itVyZKvpejqBR83gA5tV+4w@mail.gmail.com>
Date:	Thu, 27 Jun 2013 16:54:53 -1000
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Dave Chinner <david@...morbit.com>
Cc:	Dave Jones <davej@...hat.com>, Oleg Nesterov <oleg@...hat.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Andrey Vagin <avagin@...nvz.org>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: Re: frequent softlockups with 3.10rc6.

On Thu, Jun 27, 2013 at 3:18 PM, Dave Chinner <david@...morbit.com> wrote:
>
> Right, that will be what is happening - the entire system will go
> unresponsive when a sync call happens, so it's entirely possible
> to see the soft lockups on inode_sb_list_add()/inode_sb_list_del()
> trying to get the lock because of the way ticket spinlocks work...

So what made it all start happening now? I don't recall us having had
these kinds of issues before..

                Linus
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