Re: [regression 4.2-rc3] loop: xfstests xfs/073 deadlocked in low memory conditions

2015-07-29 Thread Dave Chinner
On Wed, Jul 29, 2015 at 01:54:12PM +0200, Michal Hocko wrote: > On Tue 21-07-15 10:58:59, Michal Hocko wrote: > > [CCing more people from a potentially affected fs - the reference to the > > email thread is: http://marc.info/?l=linux-mm&m=143744398020147&w=2] ... > > > The didn't used to happen,

Re: [regression 4.2-rc3] loop: xfstests xfs/073 deadlocked in low memory conditions

2015-07-29 Thread Michal Hocko
On Tue 21-07-15 10:58:59, Michal Hocko wrote: > [CCing more people from a potentially affected fs - the reference to the > email thread is: http://marc.info/?l=linux-mm&m=143744398020147&w=2] > > On Tue 21-07-15 11:59:34, Dave Chinner wrote: > > Hi Ming, > > > > With the recent merge of the loo

Re: [regression 4.2-rc3] loop: xfstests xfs/073 deadlocked in low memory conditions

2015-07-21 Thread Michal Hocko
[CCing more people from a potentially affected fs - the reference to the email thread is: http://marc.info/?l=linux-mm&m=143744398020147&w=2] On Tue 21-07-15 11:59:34, Dave Chinner wrote: > Hi Ming, > > With the recent merge of the loop device changes, I'm now seeing > XFS deadlock on my single

Re: [regression 4.2-rc3] loop: xfstests xfs/073 deadlocked in low memory conditions

2015-07-20 Thread Dave Chinner
On Tue, Jul 21, 2015 at 12:05:56AM -0400, Ming Lei wrote: > On Mon, Jul 20, 2015 at 9:59 PM, Dave Chinner wrote: > > Hi Ming, > > > > With the recent merge of the loop device changes, I'm now seeing > > XFS deadlock on my single CPU, 1GB RAM VM running xfs/073. > > > > The deadlocked is as follows

Re: [regression 4.2-rc3] loop: xfstests xfs/073 deadlocked in low memory conditions

2015-07-20 Thread Ming Lei
On Mon, Jul 20, 2015 at 9:59 PM, Dave Chinner wrote: > Hi Ming, > > With the recent merge of the loop device changes, I'm now seeing > XFS deadlock on my single CPU, 1GB RAM VM running xfs/073. > > The deadlocked is as follows: > > kloopd1: loop_queue_read_work > xfs_file_iter_read >