Re: Running Apache Derby on 3.8 and BTRFS cause kernel oops

[Josef Bacik <jbacik@fusionio.com>]

On Thu, Feb 28, 2013 at 11:31:15AM -0700, Daniel Kozák wrote:
> Dne Thu, 28 Feb 2013 16:47:21 +0100 Josef Bacik <jbacik@fusionio.com>  
> napsal(a):
> 
> > On Wed, Feb 27, 2013 at 03:59:35PM -0700, Blair Zajac wrote:
> >> On 02/27/2013 02:08 PM, Josef Bacik wrote:
> >> > On Wed, Feb 27, 2013 at 1:19 PM, Daniel Kozák <kozzi11@gmail.com>  
> >> wrote:
> >> >>
> >> >> [kozzi@KozziFX ~]$ mkdir derby
> >> >> [kozzi@KozziFX ~]$ cd derby/
> >> >> [kozzi@KozziFX derby]$ wget -c -q
> >> >>  
> >> http://mirror.hosting90.cz/apache//db/derby/db-derby-10.9.1.0/db-derby-10.9.1.0-bin.zip
> >> >> [kozzi@KozziFX derby]$ unzip -qq db-derby-10.9.1.0-bin.zip
> >> >> [kozzi@KozziFX derby]$ cd db-derby-10.9.1.0-bin/
> >> >> [kozzi@KozziFX db-derby-10.9.1.0-bin]$ DERBY_HOME=`pwd`
> >> >> [kozzi@KozziFX db-derby-10.9.1.0-bin]$ java -jar
> >> >> $DERBY_HOME/lib/derbyrun.jar server start &
> >> >> [kozzi@KozziFX db-derby-10.9.1.0-bin]$ java -jar
> >> >> $DERBY_HOME/lib/derbyrun.jar ij
> >> >> verze ij 10.9
> >> >> ij> CONNECT 'jdbc:derby://localhost:1527/seconddb;create=true';
> >> >>
> >> >> BTW. after this I must restart my PC, and after restart, my system  
> >> doesn't
> >> >> boot anymore :-) (some more btrfs oops).
> >> >> So I must use btrfs check --repair /dev/sdaX.
> >> >>
> >> >
> >> > Sigh and of course I can't reproduce myself, even with importing a
> >> > huge database into derby.  So you are just mounting with -o
> >> > compress=lzo?  What about the mkfs, are you using raid or anything?
> >> > Are you on a ssd?  Also when this happens is there any output above
> >> > the --- [ cut here ] ---?  There should be something about length and
> >> > such.  Thanks,
> >>
> >> I was able to reproduce on with 3.8 using Ubuntu 13.04 running in KVM
> >> using the commands exactly as given, but it only after stopping and
> >> starting the server again.
> >>
> >> I use the cloud image from here, boot of an Ubuntu CD-ROM ISO to change
> >> from ext4 to btrfs, then installed openjdk.
> >>
> >> http://cloud-images.ubuntu.com/raring/current/raring-server-cloudimg-amd64-disk1.img
> >>
> >> I could make my image available for download later if you need it, in a
> >> pre-failure state.  Let me know.
> >>
> >
> > Yeah I still can't reproduce, can either of you send me your kernel  
> > config so I
> > can see if it's something in my config that's causing problems?  Thanks,
> >
> > Josef
> 
> Yes, here is it
> 

Great I'll set this up on both of my boxes and see if I can reproduce.  In the
meantime will you try btrfs-next?  I just pushed a tree-log fix that I don't
think will fix your problem but since I don't know what your problem is yet it
might, so I'd like to at least eliminate it.  Thanks,

Josef