Re: [3.10-rc6] soft lockups from sync()

[Dave Jones]

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

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