Re: Hang in XFS reclaim on 3.7.0-rc3

2012-11-20 Thread Dave Chinner
On Tue, Nov 20, 2012 at 08:45:03PM +0100, Torsten Kaiser wrote: > On Tue, Nov 20, 2012 at 12:53 AM, Dave Chinner wrote: > >[] mark_held_locks+0x7e/0x130 > >[] lockdep_trace_alloc+0x63/0xc0 > >[] kmem_cache_alloc+0x35/0xe0 > >[] vm_map_ram+0x271/0x770 > >[] _

Re: Hang in XFS reclaim on 3.7.0-rc3

2012-11-19 Thread Torsten Kaiser
On Tue, Nov 20, 2012 at 12:53 AM, Dave Chinner wrote: > On Mon, Nov 19, 2012 at 07:50:06AM +0100, Torsten Kaiser wrote: > So, both lockdep thingy's are the same: I suspected this, but as the reports where slightly different I attached bith of them, as I couldn't decide witch one was the better/si

Re: Hang in XFS reclaim on 3.7.0-rc3

2012-11-19 Thread Dave Chinner
On Mon, Nov 19, 2012 at 07:50:06AM +0100, Torsten Kaiser wrote: > On Mon, Nov 19, 2012 at 12:51 AM, Dave Chinner wrote: > > On Sun, Nov 18, 2012 at 04:29:22PM +0100, Torsten Kaiser wrote: > >> On Sun, Nov 18, 2012 at 11:24 AM, Torsten Kaiser > >> wrote: > >> > On Tue, Oct 30, 2012 at 9:37 PM, Tor

Re: Hang in XFS reclaim on 3.7.0-rc3

2012-11-18 Thread Torsten Kaiser
On Mon, Nov 19, 2012 at 12:51 AM, Dave Chinner wrote: > On Sun, Nov 18, 2012 at 04:29:22PM +0100, Torsten Kaiser wrote: >> On Sun, Nov 18, 2012 at 11:24 AM, Torsten Kaiser >> wrote: >> > On Tue, Oct 30, 2012 at 9:37 PM, Torsten Kaiser >> > wrote: >> >> I will keep LOCKDEP enabled on that system,

Re: Hang in XFS reclaim on 3.7.0-rc3

2012-11-18 Thread Dave Chinner
On Sun, Nov 18, 2012 at 04:29:22PM +0100, Torsten Kaiser wrote: > On Sun, Nov 18, 2012 at 11:24 AM, Torsten Kaiser > wrote: > > On Tue, Oct 30, 2012 at 9:37 PM, Torsten Kaiser > > wrote: > >> I will keep LOCKDEP enabled on that system, and if there really is > >> another splat, I will report back

Re: Hang in XFS reclaim on 3.7.0-rc3

2012-11-18 Thread Torsten Kaiser
On Sun, Nov 18, 2012 at 11:24 AM, Torsten Kaiser wrote: > On Tue, Oct 30, 2012 at 9:37 PM, Torsten Kaiser > wrote: >> I will keep LOCKDEP enabled on that system, and if there really is >> another splat, I will report back here. But I rather doubt that this >> will be needed. > > After the patch,

Re: Hang in XFS reclaim on 3.7.0-rc3

2012-11-18 Thread Torsten Kaiser
On Tue, Oct 30, 2012 at 9:37 PM, Torsten Kaiser wrote: > I will keep LOCKDEP enabled on that system, and if there really is > another splat, I will report back here. But I rather doubt that this > will be needed. After the patch, I did not see this problem again, but today I found another LOCKDEP

Re: Hang in XFS reclaim on 3.7.0-rc3

2012-11-01 Thread Dave Chinner
On Thu, Nov 01, 2012 at 04:30:10PM -0500, Ben Myers wrote: > Hi Dave, > > On Tue, Oct 30, 2012 at 09:26:13AM +1100, Dave Chinner wrote: > > On Mon, Oct 29, 2012 at 09:03:15PM +0100, Torsten Kaiser wrote: > > > After experiencing a hang of all IO yesterday ( > > > http://marc.info/?l=linux-kernel&m

Re: Hang in XFS reclaim on 3.7.0-rc3

2012-11-01 Thread Ben Myers
Hi Dave, On Tue, Oct 30, 2012 at 09:26:13AM +1100, Dave Chinner wrote: > On Mon, Oct 29, 2012 at 09:03:15PM +0100, Torsten Kaiser wrote: > > After experiencing a hang of all IO yesterday ( > > http://marc.info/?l=linux-kernel&m=135142236520624&w=2 ), I turned on > > LOCKDEP after upgrading to -rc3

Re: Hang in XFS reclaim on 3.7.0-rc3

2012-10-30 Thread Christoph Hellwig
On Tue, Oct 30, 2012 at 09:37:06PM +0100, Torsten Kaiser wrote: > On Mon, Oct 29, 2012 at 11:26 PM, Dave Chinner wrote: For some reason I only managed to get the two mails from Torsten into my xfs list folder, but the one from Dave is missing. I did see Dave's mail in my linux-mm folder, though.

Re: Hang in XFS reclaim on 3.7.0-rc3

2012-10-30 Thread Torsten Kaiser
On Mon, Oct 29, 2012 at 11:26 PM, Dave Chinner wrote: > On Mon, Oct 29, 2012 at 09:03:15PM +0100, Torsten Kaiser wrote: >> After experiencing a hang of all IO yesterday ( >> http://marc.info/?l=linux-kernel&m=135142236520624&w=2 ), I turned on >> LOCKDEP after upgrading to -rc3. >> >> I then tried

Re: Hang in XFS reclaim on 3.7.0-rc3

2012-10-29 Thread Dave Chinner
[add the linux-mm cc I forgot to add before sending] On Tue, Oct 30, 2012 at 09:26:13AM +1100, Dave Chinner wrote: > On Mon, Oct 29, 2012 at 09:03:15PM +0100, Torsten Kaiser wrote: > > After experiencing a hang of all IO yesterday ( > > http://marc.info/?l=linux-kernel&m=135142236520624&w=2 ), I t

Re: Hang in XFS reclaim on 3.7.0-rc3

2012-10-29 Thread Dave Chinner
On Mon, Oct 29, 2012 at 09:03:15PM +0100, Torsten Kaiser wrote: > After experiencing a hang of all IO yesterday ( > http://marc.info/?l=linux-kernel&m=135142236520624&w=2 ), I turned on > LOCKDEP after upgrading to -rc3. > > I then tried to replicate the load that hung yesterday and got the > foll

Hang in XFS reclaim on 3.7.0-rc3

2012-10-29 Thread Torsten Kaiser
After experiencing a hang of all IO yesterday ( http://marc.info/?l=linux-kernel&m=135142236520624&w=2 ), I turned on LOCKDEP after upgrading to -rc3. I then tried to replicate the load that hung yesterday and got the following lockdep report, implicating XFS instead of by stacking swap onto dm-cr