Re: [3.10-rc6] WARNING: at fs/btrfs/inode.c:7961 btrfs_destroy_inode+0x265/0x2e0 [btrfs]()

2013-06-19 Thread Chris Mason
Quoting Dave Jones (2013-06-19 14:34:50)
> On Wed, Jun 19, 2013 at 02:02:33PM -0400, Chris Mason wrote:
>  > Quoting Dave Jones (2013-06-17 14:58:10)
>  > > On Mon, Jun 17, 2013 at 02:42:27PM -0400, Chris Mason wrote:
>  > >  > Quoting Dave Jones (2013-06-17 14:20:06)
>  > >  > > On Mon, Jun 17, 2013 at 01:39:42PM -0400, Chris Mason wrote:
>  > >  > >  > Quoting Dave Jones (2013-06-17 09:49:55)
>  > >  > >  > > Hit this while running this script in a loop..
>  > >  > >  > > https://github.com/kernelslacker/io-tests/blob/master/setup.sh
>  > >  > >  > > [34385.251507] [ cut here ]
>  > >  > >  > > [34385.254068] WARNING: at fs/btrfs/inode.c:7961 
> btrfs_destroy_inode+0x265/0x2e0 [btrfs]()
>  > >  > >  > 
>  > >  > >  > Thanks Dave, how long did you have to run the script to trigger 
> it?
>  > >  > > 
>  > >  > > Judging by the timestamp, about 9 hours.  This is on a 3 disk (sata)
>  > >  > > (oldish) quad opteron. Might repro faster on a more modern machine.
>  > >  > 
>  > >  > Exactly how did you run it?  I want to make sure I'm matching your
>  > >  > config.
>  > > 
>  > > while [ 1 ];
>  > > do
>  > >   setup.sh
>  > > done
>  > > 
>  > > You'll need to set DISK1 etc variables at the top of the script to point 
> to
>  > > at least 3 disks for it to scribble over.
>  > > 
>  > > you'll also need fsx and fsstress in /usr/local/bin.
>  > 
>  > I've tried with and without memory pressure, and let it run for about 30
>  > hours.  So far, nothing here.  Have you seen this again?
> 
> yeah, one time I hit it within 30 minutes.

Ok, I'll try bumping the thread count on both fsstress and fsx

-chris

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Re: [3.10-rc6] WARNING: at fs/btrfs/inode.c:7961 btrfs_destroy_inode+0x265/0x2e0 [btrfs]()

2013-06-19 Thread Dave Jones
On Wed, Jun 19, 2013 at 02:02:33PM -0400, Chris Mason wrote:
 > Quoting Dave Jones (2013-06-17 14:58:10)
 > > On Mon, Jun 17, 2013 at 02:42:27PM -0400, Chris Mason wrote:
 > >  > Quoting Dave Jones (2013-06-17 14:20:06)
 > >  > > On Mon, Jun 17, 2013 at 01:39:42PM -0400, Chris Mason wrote:
 > >  > >  > Quoting Dave Jones (2013-06-17 09:49:55)
 > >  > >  > > Hit this while running this script in a loop..
 > >  > >  > > https://github.com/kernelslacker/io-tests/blob/master/setup.sh
 > >  > >  > > [34385.251507] [ cut here ]
 > >  > >  > > [34385.254068] WARNING: at fs/btrfs/inode.c:7961 
 > > btrfs_destroy_inode+0x265/0x2e0 [btrfs]()
 > >  > >  > 
 > >  > >  > Thanks Dave, how long did you have to run the script to trigger it?
 > >  > > 
 > >  > > Judging by the timestamp, about 9 hours.  This is on a 3 disk (sata)
 > >  > > (oldish) quad opteron. Might repro faster on a more modern machine.
 > >  > 
 > >  > Exactly how did you run it?  I want to make sure I'm matching your
 > >  > config.
 > > 
 > > while [ 1 ];
 > > do
 > >   setup.sh
 > > done
 > > 
 > > You'll need to set DISK1 etc variables at the top of the script to point to
 > > at least 3 disks for it to scribble over.
 > > 
 > > you'll also need fsx and fsstress in /usr/local/bin.
 > 
 > I've tried with and without memory pressure, and let it run for about 30
 > hours.  So far, nothing here.  Have you seen this again?

yeah, one time I hit it within 30 minutes.

Dave

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Re: [3.10-rc6] WARNING: at fs/btrfs/inode.c:7961 btrfs_destroy_inode+0x265/0x2e0 [btrfs]()

2013-06-19 Thread Chris Mason
Quoting Dave Jones (2013-06-17 14:58:10)
> On Mon, Jun 17, 2013 at 02:42:27PM -0400, Chris Mason wrote:
>  > Quoting Dave Jones (2013-06-17 14:20:06)
>  > > On Mon, Jun 17, 2013 at 01:39:42PM -0400, Chris Mason wrote:
>  > >  > Quoting Dave Jones (2013-06-17 09:49:55)
>  > >  > > Hit this while running this script in a loop..
>  > >  > > https://github.com/kernelslacker/io-tests/blob/master/setup.sh
>  > >  > > [34385.251507] [ cut here ]
>  > >  > > [34385.254068] WARNING: at fs/btrfs/inode.c:7961 
> btrfs_destroy_inode+0x265/0x2e0 [btrfs]()
>  > >  > 
>  > >  > Thanks Dave, how long did you have to run the script to trigger it?
>  > >  > 
>  > >  > -chris
>  > > 
>  > > Judging by the timestamp, about 9 hours.  This is on a 3 disk (sata)
>  > > (oldish) quad opteron. Might repro faster on a more modern machine.
>  > 
>  > Exactly how did you run it?  I want to make sure I'm matching your
>  > config.
> 
> while [ 1 ];
> do
>   setup.sh
> done
> 
> You'll need to set DISK1 etc variables at the top of the script to point to
> at least 3 disks for it to scribble over.
> 
> you'll also need fsx and fsstress in /usr/local/bin.

I've tried with and without memory pressure, and let it run for about 30
hours.  So far, nothing here.  Have you seen this again?

-chris

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Re: [3.10-rc6] WARNING: at fs/btrfs/inode.c:7961 btrfs_destroy_inode+0x265/0x2e0 [btrfs]()

2013-06-17 Thread Dave Jones
On Mon, Jun 17, 2013 at 02:42:27PM -0400, Chris Mason wrote:
 > Quoting Dave Jones (2013-06-17 14:20:06)
 > > On Mon, Jun 17, 2013 at 01:39:42PM -0400, Chris Mason wrote:
 > >  > Quoting Dave Jones (2013-06-17 09:49:55)
 > >  > > Hit this while running this script in a loop..
 > >  > > https://github.com/kernelslacker/io-tests/blob/master/setup.sh
 > >  > > [34385.251507] [ cut here ]
 > >  > > [34385.254068] WARNING: at fs/btrfs/inode.c:7961 
 > > btrfs_destroy_inode+0x265/0x2e0 [btrfs]()
 > >  > 
 > >  > Thanks Dave, how long did you have to run the script to trigger it?
 > >  > 
 > >  > -chris
 > > 
 > > Judging by the timestamp, about 9 hours.  This is on a 3 disk (sata)
 > > (oldish) quad opteron. Might repro faster on a more modern machine.
 > 
 > Exactly how did you run it?  I want to make sure I'm matching your
 > config.

while [ 1 ];
do
  setup.sh
done

You'll need to set DISK1 etc variables at the top of the script to point to
at least 3 disks for it to scribble over.

you'll also need fsx and fsstress in /usr/local/bin.

Think that's all.

Dave

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Re: [3.10-rc6] WARNING: at fs/btrfs/inode.c:7961 btrfs_destroy_inode+0x265/0x2e0 [btrfs]()

2013-06-17 Thread Chris Mason
Quoting Dave Jones (2013-06-17 14:20:06)
> On Mon, Jun 17, 2013 at 01:39:42PM -0400, Chris Mason wrote:
>  > Quoting Dave Jones (2013-06-17 09:49:55)
>  > > Hit this while running this script in a loop..
>  > > https://github.com/kernelslacker/io-tests/blob/master/setup.sh
>  > > [34385.251507] [ cut here ]
>  > > [34385.254068] WARNING: at fs/btrfs/inode.c:7961 
> btrfs_destroy_inode+0x265/0x2e0 [btrfs]()
>  > 
>  > Thanks Dave, how long did you have to run the script to trigger it?
>  > 
>  > -chris
> 
> Judging by the timestamp, about 9 hours.  This is on a 3 disk (sata)
> (oldish) quad opteron. Might repro faster on a more modern machine.

Exactly how did you run it?  I want to make sure I'm matching your
config.

-chris

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Re: [3.10-rc6] WARNING: at fs/btrfs/inode.c:7961 btrfs_destroy_inode+0x265/0x2e0 [btrfs]()

2013-06-17 Thread Dave Jones
On Mon, Jun 17, 2013 at 01:39:42PM -0400, Chris Mason wrote:
 > Quoting Dave Jones (2013-06-17 09:49:55)
 > > Hit this while running this script in a loop..
 > > https://github.com/kernelslacker/io-tests/blob/master/setup.sh
 > > [34385.251507] [ cut here ]
 > > [34385.254068] WARNING: at fs/btrfs/inode.c:7961 
 > > btrfs_destroy_inode+0x265/0x2e0 [btrfs]()
 > 
 > Thanks Dave, how long did you have to run the script to trigger it?
 > 
 > -chris

Judging by the timestamp, about 9 hours.  This is on a 3 disk (sata)
(oldish) quad opteron. Might repro faster on a more modern machine.

Dave

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Re: [3.10-rc6] WARNING: at fs/btrfs/inode.c:7961 btrfs_destroy_inode+0x265/0x2e0 [btrfs]()

2013-06-17 Thread Chris Mason
Quoting Dave Jones (2013-06-17 09:49:55)
> Hit this while running this script in a loop..
> https://github.com/kernelslacker/io-tests/blob/master/setup.sh
> [34385.251507] [ cut here ]
> [34385.254068] WARNING: at fs/btrfs/inode.c:7961 
> btrfs_destroy_inode+0x265/0x2e0 [btrfs]()

Thanks Dave, how long did you have to run the script to trigger it?

-chris
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