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From: Dave Jones <davej@redhat.com>
To: Jan Kara <jack@suse.cz>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [3.10-rc6] soft lockups from sync()
Date: Wed, 26 Jun 2013 10:27:40 -0400	[thread overview]
Message-ID: <20130626142739.GA23429@redhat.com> (raw)
In-Reply-To: <20130626134915.GA14102@quack.suse.cz>

On Wed, Jun 26, 2013 at 03:49:15PM +0200, Jan Kara wrote:
 > On Mon 17-06-13 10:26:11, Dave Jones wrote:
 > > Haven't seen this happen before..  3.10-rc6 + a bunch of patches to
 > > survive other trinity induced bugs + some debug 'helpers' (the
 > > loadavg-at-oops for eg), but nothing that should be responsible for this.
 >   Hum, we are spinning on inode_sb_list_lock. I'm not aware of any recent
 > changes in that area. Is this reproducible? Has anything changed with
 > trinity so that it could start triggering this? Maybe using lockstat we
 > could see who are the worst offenders using the lock...

The biggest change is that I got two new test machines (that I'm seeing this on).
They're both quad core haswell machines, so a lot faster than the previous
machines I've been running trinity on.

	Dave


      reply	other threads:[~2013-06-26 14:27 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-06-17 14:26 [3.10-rc6] soft lockups from sync() Dave Jones
2013-06-26 13:49 ` Jan Kara
2013-06-26 14:27   ` Dave Jones [this message]

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