Re: [BUG] during balance operation, WARNING: at fs/btrfs/relocation.c:1624 replace_file_extents+0x74b/0x7e0 [btrfs]()

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On Mon, Mar 04, 2013 at 10:24:39AM -0700, Stefan Behrens wrote:
> Just ran the following command sequence and got lots of WARNINGs.
> The issue is reproducible.
> The box was running the cmason/for-linus that made it into Linux 3.9 RC1.
> 
> #!/bin/sh
> mkfs.btrfs -f /dev/sdl /dev/sdk -m raid1 -d raid1 -l 16384
> mount /dev/sdl /mnt
> dd if=/dev/urandom of=/mnt/urandom.1GB bs=10M count=100 &
> dd if=/dev/zero of=/mnt/zero.4GB bs=10M count=400 &
> (cd ~/kernel-src; tar cf - fs) | (cd /mnt && tar xf -)
> wait
> 
> ((cd ~/kernel-src; tar cf - drivers) | (cd /mnt && tar xf -)) &
> sleep 5
> btrfs fi balance start /mnt

This doesn't look new, are you able to trigger it with an older kernel?

-chris
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